./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/dirname-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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/dirname-1.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 db3e3e94b73f9c133562ce736092764b1fa0689e .......................................................................................................................... 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 -Xmx15G -Xms4m -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/dirname-1.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 db3e3e94b73f9c133562ce736092764b1fa0689e ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:20:34,598 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:20:34,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:20:34,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:20:34,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:20:34,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:20:34,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:20:34,659 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:20:34,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:20:34,665 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:20:34,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:20:34,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:20:34,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:20:34,679 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:20:34,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:20:34,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:20:34,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:20:34,685 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:20:34,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:20:34,694 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:20:34,696 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:20:34,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:20:34,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:20:34,700 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:20:34,712 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:20:34,713 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:20:34,714 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:20:34,715 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:20:34,716 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:20:34,717 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:20:34,717 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:20:34,718 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:20:34,719 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:20:34,720 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:20:34,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:20:34,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:20:34,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:20:34,724 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:20:34,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:20:34,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:20:34,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:20:34,727 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-10-20 06:20:34,765 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:20:34,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:20:34,767 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:20:34,768 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:20:34,768 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:20:34,768 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:20:34,769 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:20:34,769 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:20:34,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:20:34,769 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:20:34,770 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:20:34,771 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:20:34,771 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:20:34,771 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:20:34,772 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:20:34,772 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:20:34,772 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:20:34,772 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:20:34,773 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:20:34,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:20:34,773 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:20:34,773 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:20:34,774 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:20:34,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:20:34,774 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:20:34,774 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 -> db3e3e94b73f9c133562ce736092764b1fa0689e [2020-10-20 06:20:34,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:20:34,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:20:34,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:20:34,998 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:20:35,009 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:20:35,010 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/dirname-1.i [2020-10-20 06:20:35,072 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cef88968d/df6e061b88b34c5d911583a1f56bf3ef/FLAG3d09336a4 [2020-10-20 06:20:35,757 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:20:35,758 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/dirname-1.i [2020-10-20 06:20:35,780 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cef88968d/df6e061b88b34c5d911583a1f56bf3ef/FLAG3d09336a4 [2020-10-20 06:20:35,969 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cef88968d/df6e061b88b34c5d911583a1f56bf3ef [2020-10-20 06:20:35,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:20:35,979 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:20:35,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:20:35,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:20:35,984 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:20:35,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:20:35" (1/1) ... [2020-10-20 06:20:35,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52330bcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:35, skipping insertion in model container [2020-10-20 06:20:35,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:20:35" (1/1) ... [2020-10-20 06:20:36,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:20:36,076 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:20:36,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:20:36,939 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) [2020-10-20 06:20:36,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@56fb985a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:36, skipping insertion in model container [2020-10-20 06:20:36,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:20:36,941 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 06:20:36,944 INFO L168 Benchmark]: Toolchain (without parser) took 968.24 ms. Allocated memory was 39.8 MB in the beginning and 42.5 MB in the end (delta: 2.6 MB). Free memory was 14.4 MB in the beginning and 19.2 MB in the end (delta: -4.7 MB). Peak memory consumption was 5.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:20:36,946 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 30.4 MB. Free memory was 16.7 MB in the beginning and 16.6 MB in the end (delta: 38.4 kB). There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:20:36,949 INFO L168 Benchmark]: CACSL2BoogieTranslator took 960.03 ms. Allocated memory was 39.8 MB in the beginning and 42.5 MB in the end (delta: 2.6 MB). Free memory was 13.5 MB in the beginning and 19.2 MB in the end (delta: -5.7 MB). Peak memory consumption was 4.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:20:36,954 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 30.4 MB. Free memory was 16.7 MB in the beginning and 16.6 MB in the end (delta: 38.4 kB). There was no memory consumed. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 960.03 ms. Allocated memory was 39.8 MB in the beginning and 42.5 MB in the end (delta: 2.6 MB). Free memory was 13.5 MB in the beginning and 19.2 MB in the end (delta: -5.7 MB). Peak memory consumption was 4.6 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1162]: 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 0.1.25-9a8b2e8 [2020-10-20 06:20:39,010 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:20:39,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:20:39,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:20:39,050 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:20:39,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:20:39,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:20:39,070 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:20:39,072 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:20:39,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:20:39,076 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:20:39,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:20:39,078 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:20:39,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:20:39,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:20:39,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:20:39,087 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:20:39,089 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:20:39,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:20:39,094 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:20:39,097 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:20:39,099 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:20:39,100 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:20:39,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:20:39,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:20:39,106 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:20:39,106 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:20:39,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:20:39,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:20:39,118 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:20:39,118 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:20:39,119 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:20:39,120 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:20:39,121 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:20:39,122 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:20:39,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:20:39,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:20:39,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:20:39,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:20:39,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:20:39,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:20:39,126 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2020-10-20 06:20:39,163 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:20:39,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:20:39,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:20:39,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:20:39,165 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:20:39,165 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:20:39,166 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:20:39,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:20:39,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:20:39,166 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:20:39,167 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:20:39,168 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:20:39,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:20:39,168 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:20:39,169 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 06:20:39,169 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 06:20:39,169 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:20:39,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:20:39,169 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:20:39,170 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:20:39,170 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:20:39,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:20:39,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:20:39,171 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:20:39,171 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 06:20:39,171 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 06:20:39,171 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:20:39,172 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 06:20:39,172 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 -> db3e3e94b73f9c133562ce736092764b1fa0689e [2020-10-20 06:20:39,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:20:39,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:20:39,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:20:39,408 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:20:39,408 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:20:39,409 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/dirname-1.i [2020-10-20 06:20:39,483 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcc93d362/90dccbedcbdd46fba970a0fbfed17e2a/FLAG8ab9079f4 [2020-10-20 06:20:40,231 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:20:40,232 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/dirname-1.i [2020-10-20 06:20:40,250 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcc93d362/90dccbedcbdd46fba970a0fbfed17e2a/FLAG8ab9079f4 [2020-10-20 06:20:40,399 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcc93d362/90dccbedcbdd46fba970a0fbfed17e2a [2020-10-20 06:20:40,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:20:40,409 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:20:40,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:20:40,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:20:40,417 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:20:40,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:20:40" (1/1) ... [2020-10-20 06:20:40,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67f4e577 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:40, skipping insertion in model container [2020-10-20 06:20:40,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:20:40" (1/1) ... [2020-10-20 06:20:40,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:20:40,507 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:20:41,261 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:20:41,279 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-10-20 06:20:41,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:20:41,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:20:41,400 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:20:41,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:20:41,814 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:20:41,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:41 WrapperNode [2020-10-20 06:20:41,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:20:41,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:20:41,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:20:41,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:20:41,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:41" (1/1) ... [2020-10-20 06:20:41,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:41" (1/1) ... [2020-10-20 06:20:41,876 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:41" (1/1) ... [2020-10-20 06:20:41,877 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:41" (1/1) ... [2020-10-20 06:20:41,924 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:41" (1/1) ... [2020-10-20 06:20:41,932 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:41" (1/1) ... [2020-10-20 06:20:41,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:41" (1/1) ... [2020-10-20 06:20:41,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:20:41,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:20:41,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:20:41,968 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:20:41,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:41" (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 [2020-10-20 06:20:42,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-20 06:20:42,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:20:42,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-10-20 06:20:42,059 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-20 06:20:42,059 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-20 06:20:42,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-20 06:20:42,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-20 06:20:42,060 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_show_usage [2020-10-20 06:20:42,060 INFO L138 BoogieDeclarations]: Found implementation of procedure syslog [2020-10-20 06:20:42,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __main [2020-10-20 06:20:42,060 INFO L138 BoogieDeclarations]: Found implementation of procedure fflush_all [2020-10-20 06:20:42,061 INFO L138 BoogieDeclarations]: Found implementation of procedure single_argv [2020-10-20 06:20:42,061 INFO L138 BoogieDeclarations]: Found implementation of procedure dirname [2020-10-20 06:20:42,061 INFO L138 BoogieDeclarations]: Found implementation of procedure getutent [2020-10-20 06:20:42,061 INFO L138 BoogieDeclarations]: Found implementation of procedure getopt [2020-10-20 06:20:42,062 INFO L138 BoogieDeclarations]: Found implementation of procedure getopt_long [2020-10-20 06:20:42,062 INFO L138 BoogieDeclarations]: Found implementation of procedure read [2020-10-20 06:20:42,062 INFO L138 BoogieDeclarations]: Found implementation of procedure vasprintf [2020-10-20 06:20:42,062 INFO L138 BoogieDeclarations]: Found implementation of procedure write [2020-10-20 06:20:42,063 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-20 06:20:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-20 06:20:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-20 06:20:42,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-20 06:20:42,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-20 06:20:42,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-20 06:20:42,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2020-10-20 06:20:42,064 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-20 06:20:42,064 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-20 06:20:42,065 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-20 06:20:42,065 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-20 06:20:42,065 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-20 06:20:42,065 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-20 06:20:42,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:20:42,066 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-20 06:20:42,066 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-20 06:20:42,066 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_b_loc [2020-10-20 06:20:42,066 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_tolower_loc [2020-10-20 06:20:42,067 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_toupper_loc [2020-10-20 06:20:42,067 INFO L130 BoogieDeclarations]: Found specification of procedure isalnum [2020-10-20 06:20:42,067 INFO L130 BoogieDeclarations]: Found specification of procedure isalpha [2020-10-20 06:20:42,067 INFO L130 BoogieDeclarations]: Found specification of procedure iscntrl [2020-10-20 06:20:42,067 INFO L130 BoogieDeclarations]: Found specification of procedure isdigit [2020-10-20 06:20:42,068 INFO L130 BoogieDeclarations]: Found specification of procedure islower [2020-10-20 06:20:42,068 INFO L130 BoogieDeclarations]: Found specification of procedure isgraph [2020-10-20 06:20:42,068 INFO L130 BoogieDeclarations]: Found specification of procedure isprint [2020-10-20 06:20:42,068 INFO L130 BoogieDeclarations]: Found specification of procedure ispunct [2020-10-20 06:20:42,068 INFO L130 BoogieDeclarations]: Found specification of procedure isspace [2020-10-20 06:20:42,069 INFO L130 BoogieDeclarations]: Found specification of procedure isupper [2020-10-20 06:20:42,069 INFO L130 BoogieDeclarations]: Found specification of procedure isxdigit [2020-10-20 06:20:42,069 INFO L130 BoogieDeclarations]: Found specification of procedure tolower [2020-10-20 06:20:42,069 INFO L130 BoogieDeclarations]: Found specification of procedure toupper [2020-10-20 06:20:42,069 INFO L130 BoogieDeclarations]: Found specification of procedure isblank [2020-10-20 06:20:42,070 INFO L130 BoogieDeclarations]: Found specification of procedure isascii [2020-10-20 06:20:42,070 INFO L130 BoogieDeclarations]: Found specification of procedure toascii [2020-10-20 06:20:42,070 INFO L130 BoogieDeclarations]: Found specification of procedure _toupper [2020-10-20 06:20:42,070 INFO L130 BoogieDeclarations]: Found specification of procedure _tolower [2020-10-20 06:20:42,071 INFO L130 BoogieDeclarations]: Found specification of procedure isalnum_l [2020-10-20 06:20:42,071 INFO L130 BoogieDeclarations]: Found specification of procedure isalpha_l [2020-10-20 06:20:42,071 INFO L130 BoogieDeclarations]: Found specification of procedure iscntrl_l [2020-10-20 06:20:42,071 INFO L130 BoogieDeclarations]: Found specification of procedure isdigit_l [2020-10-20 06:20:42,071 INFO L130 BoogieDeclarations]: Found specification of procedure islower_l [2020-10-20 06:20:42,072 INFO L130 BoogieDeclarations]: Found specification of procedure isgraph_l [2020-10-20 06:20:42,072 INFO L130 BoogieDeclarations]: Found specification of procedure isprint_l [2020-10-20 06:20:42,072 INFO L130 BoogieDeclarations]: Found specification of procedure ispunct_l [2020-10-20 06:20:42,072 INFO L130 BoogieDeclarations]: Found specification of procedure isspace_l [2020-10-20 06:20:42,072 INFO L130 BoogieDeclarations]: Found specification of procedure isupper_l [2020-10-20 06:20:42,072 INFO L130 BoogieDeclarations]: Found specification of procedure isxdigit_l [2020-10-20 06:20:42,073 INFO L130 BoogieDeclarations]: Found specification of procedure isblank_l [2020-10-20 06:20:42,073 INFO L130 BoogieDeclarations]: Found specification of procedure __tolower_l [2020-10-20 06:20:42,073 INFO L130 BoogieDeclarations]: Found specification of procedure tolower_l [2020-10-20 06:20:42,073 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper_l [2020-10-20 06:20:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure toupper_l [2020-10-20 06:20:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure getopt [2020-10-20 06:20:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure getopt_long [2020-10-20 06:20:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure getopt_long_only [2020-10-20 06:20:42,074 INFO L130 BoogieDeclarations]: Found specification of procedure dirname [2020-10-20 06:20:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure __xpg_basename [2020-10-20 06:20:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2020-10-20 06:20:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2020-10-20 06:20:42,075 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2020-10-20 06:20:42,076 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2020-10-20 06:20:42,076 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2020-10-20 06:20:42,076 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2020-10-20 06:20:42,076 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2020-10-20 06:20:42,076 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2020-10-20 06:20:42,077 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2020-10-20 06:20:42,077 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2020-10-20 06:20:42,077 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2020-10-20 06:20:42,077 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2020-10-20 06:20:42,077 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2020-10-20 06:20:42,078 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2020-10-20 06:20:42,078 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2020-10-20 06:20:42,078 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2020-10-20 06:20:42,078 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2020-10-20 06:20:42,079 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2020-10-20 06:20:42,079 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2020-10-20 06:20:42,079 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2020-10-20 06:20:42,079 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2020-10-20 06:20:42,079 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2020-10-20 06:20:42,079 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2020-10-20 06:20:42,080 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2020-10-20 06:20:42,080 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2020-10-20 06:20:42,080 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2020-10-20 06:20:42,080 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2020-10-20 06:20:42,080 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2020-10-20 06:20:42,081 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-10-20 06:20:42,081 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2020-10-20 06:20:42,081 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2020-10-20 06:20:42,081 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2020-10-20 06:20:42,081 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2020-10-20 06:20:42,082 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2020-10-20 06:20:42,082 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2020-10-20 06:20:42,082 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2020-10-20 06:20:42,082 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2020-10-20 06:20:42,084 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2020-10-20 06:20:42,084 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-20 06:20:42,085 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-20 06:20:42,085 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2020-10-20 06:20:42,085 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2020-10-20 06:20:42,085 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2020-10-20 06:20:42,085 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-20 06:20:42,085 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2020-10-20 06:20:42,085 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2020-10-20 06:20:42,085 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2020-10-20 06:20:42,086 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2020-10-20 06:20:42,086 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2020-10-20 06:20:42,086 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2020-10-20 06:20:42,086 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2020-10-20 06:20:42,086 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2020-10-20 06:20:42,086 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2020-10-20 06:20:42,086 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2020-10-20 06:20:42,086 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2020-10-20 06:20:42,087 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2020-10-20 06:20:42,087 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2020-10-20 06:20:42,087 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2020-10-20 06:20:42,087 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2020-10-20 06:20:42,087 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2020-10-20 06:20:42,087 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2020-10-20 06:20:42,087 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2020-10-20 06:20:42,087 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2020-10-20 06:20:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2020-10-20 06:20:42,088 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2020-10-20 06:20:42,092 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2020-10-20 06:20:42,092 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2020-10-20 06:20:42,093 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2020-10-20 06:20:42,093 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2020-10-20 06:20:42,093 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2020-10-20 06:20:42,093 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2020-10-20 06:20:42,094 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2020-10-20 06:20:42,094 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2020-10-20 06:20:42,094 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-20 06:20:42,094 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2020-10-20 06:20:42,094 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2020-10-20 06:20:42,095 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2020-10-20 06:20:42,095 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2020-10-20 06:20:42,095 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2020-10-20 06:20:42,095 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2020-10-20 06:20:42,095 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2020-10-20 06:20:42,096 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2020-10-20 06:20:42,096 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2020-10-20 06:20:42,096 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2020-10-20 06:20:42,097 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2020-10-20 06:20:42,097 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2020-10-20 06:20:42,097 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2020-10-20 06:20:42,097 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2020-10-20 06:20:42,098 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2020-10-20 06:20:42,098 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2020-10-20 06:20:42,098 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2020-10-20 06:20:42,098 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2020-10-20 06:20:42,098 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2020-10-20 06:20:42,099 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2020-10-20 06:20:42,099 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2020-10-20 06:20:42,099 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2020-10-20 06:20:42,099 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2020-10-20 06:20:42,099 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2020-10-20 06:20:42,100 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2020-10-20 06:20:42,100 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2020-10-20 06:20:42,100 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2020-10-20 06:20:42,100 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-20 06:20:42,100 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-20 06:20:42,100 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-20 06:20:42,101 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-20 06:20:42,101 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-20 06:20:42,101 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-20 06:20:42,101 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-20 06:20:42,101 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-20 06:20:42,102 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-20 06:20:42,102 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-20 06:20:42,102 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-20 06:20:42,102 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-20 06:20:42,102 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-20 06:20:42,103 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-20 06:20:42,103 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-20 06:20:42,103 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-20 06:20:42,103 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-20 06:20:42,103 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-20 06:20:42,104 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-20 06:20:42,104 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-20 06:20:42,104 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-20 06:20:42,104 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-20 06:20:42,104 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-20 06:20:42,104 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-20 06:20:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-20 06:20:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-20 06:20:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-20 06:20:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-20 06:20:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-20 06:20:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-20 06:20:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-20 06:20:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-20 06:20:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-20 06:20:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-20 06:20:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-20 06:20:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-20 06:20:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-20 06:20:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-20 06:20:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-20 06:20:42,107 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-20 06:20:42,108 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-20 06:20:42,108 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-20 06:20:42,108 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-20 06:20:42,108 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-20 06:20:42,108 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-20 06:20:42,109 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-20 06:20:42,109 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-20 06:20:42,109 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-20 06:20:42,109 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-20 06:20:42,109 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-20 06:20:42,110 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-20 06:20:42,110 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-20 06:20:42,110 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-20 06:20:42,110 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-20 06:20:42,110 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-20 06:20:42,111 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-20 06:20:42,111 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-20 06:20:42,111 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-20 06:20:42,111 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-20 06:20:42,111 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-20 06:20:42,112 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-20 06:20:42,112 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-20 06:20:42,112 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-20 06:20:42,112 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-20 06:20:42,112 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-20 06:20:42,113 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-20 06:20:42,113 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-20 06:20:42,113 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-20 06:20:42,113 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-20 06:20:42,113 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-20 06:20:42,114 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-20 06:20:42,114 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-20 06:20:42,114 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-20 06:20:42,114 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-20 06:20:42,114 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-20 06:20:42,114 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-20 06:20:42,115 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-20 06:20:42,115 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-20 06:20:42,115 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-20 06:20:42,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-20 06:20:42,119 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-20 06:20:42,119 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-20 06:20:42,120 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-20 06:20:42,120 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-20 06:20:42,120 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-20 06:20:42,120 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-20 06:20:42,120 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-20 06:20:42,120 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-20 06:20:42,121 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-20 06:20:42,121 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-20 06:20:42,121 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-20 06:20:42,129 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-20 06:20:42,131 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-20 06:20:42,131 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-20 06:20:42,131 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-20 06:20:42,131 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-20 06:20:42,132 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-20 06:20:42,158 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-20 06:20:42,158 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-20 06:20:42,158 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-20 06:20:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-10-20 06:20:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure memccpy [2020-10-20 06:20:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-20 06:20:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-10-20 06:20:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2020-10-20 06:20:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-10-20 06:20:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2020-10-20 06:20:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2020-10-20 06:20:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure strncat [2020-10-20 06:20:42,159 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-10-20 06:20:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2020-10-20 06:20:42,160 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll [2020-10-20 06:20:42,161 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm [2020-10-20 06:20:42,161 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll_l [2020-10-20 06:20:42,161 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm_l [2020-10-20 06:20:42,161 INFO L130 BoogieDeclarations]: Found specification of procedure strdup [2020-10-20 06:20:42,161 INFO L130 BoogieDeclarations]: Found specification of procedure strndup [2020-10-20 06:20:42,161 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2020-10-20 06:20:42,162 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2020-10-20 06:20:42,162 INFO L130 BoogieDeclarations]: Found specification of procedure strcspn [2020-10-20 06:20:42,162 INFO L130 BoogieDeclarations]: Found specification of procedure strspn [2020-10-20 06:20:42,162 INFO L130 BoogieDeclarations]: Found specification of procedure strpbrk [2020-10-20 06:20:42,162 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2020-10-20 06:20:42,162 INFO L130 BoogieDeclarations]: Found specification of procedure strtok [2020-10-20 06:20:42,163 INFO L130 BoogieDeclarations]: Found specification of procedure __strtok_r [2020-10-20 06:20:42,163 INFO L130 BoogieDeclarations]: Found specification of procedure strtok_r [2020-10-20 06:20:42,163 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-10-20 06:20:42,163 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2020-10-20 06:20:42,163 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2020-10-20 06:20:42,163 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_r [2020-10-20 06:20:42,164 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_l [2020-10-20 06:20:42,164 INFO L130 BoogieDeclarations]: Found specification of procedure __bzero [2020-10-20 06:20:42,164 INFO L130 BoogieDeclarations]: Found specification of procedure bcopy [2020-10-20 06:20:42,164 INFO L130 BoogieDeclarations]: Found specification of procedure bzero [2020-10-20 06:20:42,164 INFO L130 BoogieDeclarations]: Found specification of procedure bcmp [2020-10-20 06:20:42,165 INFO L130 BoogieDeclarations]: Found specification of procedure index [2020-10-20 06:20:42,165 INFO L130 BoogieDeclarations]: Found specification of procedure rindex [2020-10-20 06:20:42,165 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2020-10-20 06:20:42,165 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2020-10-20 06:20:42,165 INFO L130 BoogieDeclarations]: Found specification of procedure strncasecmp [2020-10-20 06:20:42,165 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2020-10-20 06:20:42,166 INFO L130 BoogieDeclarations]: Found specification of procedure strsignal [2020-10-20 06:20:42,166 INFO L130 BoogieDeclarations]: Found specification of procedure __stpcpy [2020-10-20 06:20:42,166 INFO L130 BoogieDeclarations]: Found specification of procedure stpcpy [2020-10-20 06:20:42,166 INFO L130 BoogieDeclarations]: Found specification of procedure __stpncpy [2020-10-20 06:20:42,166 INFO L130 BoogieDeclarations]: Found specification of procedure stpncpy [2020-10-20 06:20:42,167 INFO L130 BoogieDeclarations]: Found specification of procedure gettimeofday [2020-10-20 06:20:42,167 INFO L130 BoogieDeclarations]: Found specification of procedure settimeofday [2020-10-20 06:20:42,167 INFO L130 BoogieDeclarations]: Found specification of procedure adjtime [2020-10-20 06:20:42,167 INFO L130 BoogieDeclarations]: Found specification of procedure getitimer [2020-10-20 06:20:42,167 INFO L130 BoogieDeclarations]: Found specification of procedure setitimer [2020-10-20 06:20:42,167 INFO L130 BoogieDeclarations]: Found specification of procedure utimes [2020-10-20 06:20:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure lutimes [2020-10-20 06:20:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure futimes [2020-10-20 06:20:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure login_tty [2020-10-20 06:20:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure login [2020-10-20 06:20:42,168 INFO L130 BoogieDeclarations]: Found specification of procedure logout [2020-10-20 06:20:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure logwtmp [2020-10-20 06:20:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure updwtmp [2020-10-20 06:20:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure utmpname [2020-10-20 06:20:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure getutent [2020-10-20 06:20:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure setutent [2020-10-20 06:20:42,169 INFO L130 BoogieDeclarations]: Found specification of procedure endutent [2020-10-20 06:20:42,170 INFO L130 BoogieDeclarations]: Found specification of procedure getutid [2020-10-20 06:20:42,170 INFO L130 BoogieDeclarations]: Found specification of procedure getutline [2020-10-20 06:20:42,170 INFO L130 BoogieDeclarations]: Found specification of procedure pututline [2020-10-20 06:20:42,170 INFO L130 BoogieDeclarations]: Found specification of procedure getutent_r [2020-10-20 06:20:42,170 INFO L130 BoogieDeclarations]: Found specification of procedure getutid_r [2020-10-20 06:20:42,170 INFO L130 BoogieDeclarations]: Found specification of procedure getutline_r [2020-10-20 06:20:42,171 INFO L130 BoogieDeclarations]: Found specification of procedure bb_show_usage [2020-10-20 06:20:42,171 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_all [2020-10-20 06:20:42,171 INFO L130 BoogieDeclarations]: Found specification of procedure single_argv [2020-10-20 06:20:42,171 INFO L130 BoogieDeclarations]: Found specification of procedure syslog [2020-10-20 06:20:42,171 INFO L130 BoogieDeclarations]: Found specification of procedure __main [2020-10-20 06:20:42,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-20 06:20:42,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2020-10-20 06:20:42,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2020-10-20 06:20:42,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 06:20:42,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2020-10-20 06:20:42,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 06:20:42,172 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-20 06:20:42,173 INFO L130 BoogieDeclarations]: Found specification of procedure vasprintf [2020-10-20 06:20:42,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-20 06:20:42,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-20 06:20:42,173 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-20 06:20:42,173 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-20 06:20:42,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 06:20:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-20 06:20:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 06:20:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:20:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-10-20 06:20:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2020-10-20 06:20:44,266 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:20:44,266 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-20 06:20:44,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:20:44 BoogieIcfgContainer [2020-10-20 06:20:44,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:20:44,270 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 06:20:44,270 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 06:20:44,274 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 06:20:44,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:20:40" (1/3) ... [2020-10-20 06:20:44,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@350417f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:20:44, skipping insertion in model container [2020-10-20 06:20:44,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:41" (2/3) ... [2020-10-20 06:20:44,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@350417f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:20:44, skipping insertion in model container [2020-10-20 06:20:44,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:20:44" (3/3) ... [2020-10-20 06:20:44,278 INFO L111 eAbstractionObserver]: Analyzing ICFG dirname-1.i [2020-10-20 06:20:44,291 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 06:20:44,304 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 118 error locations. [2020-10-20 06:20:44,320 INFO L253 AbstractCegarLoop]: Starting to check reachability of 118 error locations. [2020-10-20 06:20:44,338 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 06:20:44,338 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-20 06:20:44,338 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 06:20:44,338 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:20:44,338 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:20:44,339 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 06:20:44,339 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:20:44,339 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 06:20:44,365 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-20 06:20:44,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-20 06:20:44,374 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:20:44,375 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:20:44,376 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, 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, 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, single_argvErr4REQUIRES_VIOLATION, single_argvErr1REQUIRES_VIOLATION, single_argvErr22REQUIRES_VIOLATION, single_argvErr23REQUIRES_VIOLATION, single_argvErr21REQUIRES_VIOLATION, single_argvErr0REQUIRES_VIOLATION, single_argvErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr20REQUIRES_VIOLATION, single_argvErr18REQUIRES_VIOLATION, single_argvErr19REQUIRES_VIOLATION, single_argvErr17REQUIRES_VIOLATION, single_argvErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr16REQUIRES_VIOLATION, single_argvErr14REQUIRES_VIOLATION, single_argvErr15REQUIRES_VIOLATION, single_argvErr13REQUIRES_VIOLATION, single_argvErr12REQUIRES_VIOLATION, single_argvErr33REQUIRES_VIOLATION, single_argvErr32REQUIRES_VIOLATION, single_argvErr10REQUIRES_VIOLATION, single_argvErr11REQUIRES_VIOLATION, single_argvErr9REQUIRES_VIOLATION, single_argvErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr31REQUIRES_VIOLATION, single_argvErr30REQUIRES_VIOLATION, single_argvErr8REQUIRES_VIOLATION, single_argvErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr29REQUIRES_VIOLATION, single_argvErr28REQUIRES_VIOLATION, single_argvErr6REQUIRES_VIOLATION, single_argvErr7REQUIRES_VIOLATION, single_argvErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr5REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr33ASSERT_VIOLATIONMEMORY_FREE, mainErr34ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, 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, dirnameErr2REQUIRES_VIOLATION, dirnameErr3REQUIRES_VIOLATION, dirnameErr0REQUIRES_VIOLATION, dirnameErr1REQUIRES_VIOLATION]=== [2020-10-20 06:20:44,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:20:44,381 INFO L82 PathProgramCache]: Analyzing trace with hash 317333465, now seen corresponding path program 1 times [2020-10-20 06:20:44,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:20:44,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [297875108] [2020-10-20 06:20:44,395 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 [2020-10-20 06:20:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:20:44,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-20 06:20:44,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:20:45,000 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 [2020-10-20 06:20:45,001 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:20:45,012 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:20:45,012 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:20:45,013 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-10-20 06:20:45,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:20:45,022 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:20:45,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:20:45,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [297875108] [2020-10-20 06:20:45,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:20:45,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 06:20:45,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613179331] [2020-10-20 06:20:45,057 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 06:20:45,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:20:45,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:20:45,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:20:45,076 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 3 states. [2020-10-20 06:20:45,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:20:45,590 INFO L93 Difference]: Finished difference Result 216 states and 235 transitions. [2020-10-20 06:20:45,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:20:45,592 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-20 06:20:45,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:20:45,606 INFO L225 Difference]: With dead ends: 216 [2020-10-20 06:20:45,606 INFO L226 Difference]: Without dead ends: 213 [2020-10-20 06:20:45,608 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 [2020-10-20 06:20:45,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2020-10-20 06:20:45,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 197. [2020-10-20 06:20:45,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2020-10-20 06:20:45,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 215 transitions. [2020-10-20 06:20:45,663 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 215 transitions. Word has length 7 [2020-10-20 06:20:45,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:20:45,664 INFO L481 AbstractCegarLoop]: Abstraction has 197 states and 215 transitions. [2020-10-20 06:20:45,664 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 06:20:45,664 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 215 transitions. [2020-10-20 06:20:45,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-20 06:20:45,664 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:20:45,664 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:20:45,877 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 06:20:45,879 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, 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, 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, single_argvErr4REQUIRES_VIOLATION, single_argvErr1REQUIRES_VIOLATION, single_argvErr22REQUIRES_VIOLATION, single_argvErr23REQUIRES_VIOLATION, single_argvErr21REQUIRES_VIOLATION, single_argvErr0REQUIRES_VIOLATION, single_argvErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr20REQUIRES_VIOLATION, single_argvErr18REQUIRES_VIOLATION, single_argvErr19REQUIRES_VIOLATION, single_argvErr17REQUIRES_VIOLATION, single_argvErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr16REQUIRES_VIOLATION, single_argvErr14REQUIRES_VIOLATION, single_argvErr15REQUIRES_VIOLATION, single_argvErr13REQUIRES_VIOLATION, single_argvErr12REQUIRES_VIOLATION, single_argvErr33REQUIRES_VIOLATION, single_argvErr32REQUIRES_VIOLATION, single_argvErr10REQUIRES_VIOLATION, single_argvErr11REQUIRES_VIOLATION, single_argvErr9REQUIRES_VIOLATION, single_argvErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr31REQUIRES_VIOLATION, single_argvErr30REQUIRES_VIOLATION, single_argvErr8REQUIRES_VIOLATION, single_argvErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr29REQUIRES_VIOLATION, single_argvErr28REQUIRES_VIOLATION, single_argvErr6REQUIRES_VIOLATION, single_argvErr7REQUIRES_VIOLATION, single_argvErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr5REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr33ASSERT_VIOLATIONMEMORY_FREE, mainErr34ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, 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, dirnameErr2REQUIRES_VIOLATION, dirnameErr3REQUIRES_VIOLATION, dirnameErr0REQUIRES_VIOLATION, dirnameErr1REQUIRES_VIOLATION]=== [2020-10-20 06:20:45,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:20:45,880 INFO L82 PathProgramCache]: Analyzing trace with hash 317333466, now seen corresponding path program 1 times [2020-10-20 06:20:45,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:20:45,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [353438978] [2020-10-20 06:20:45,882 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 [2020-10-20 06:20:46,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:20:46,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 06:20:46,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:20:46,199 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 [2020-10-20 06:20:46,200 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:20:46,205 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:20:46,206 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:20:46,206 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-10-20 06:20:46,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:20:46,214 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:20:46,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:20:46,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [353438978] [2020-10-20 06:20:46,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:20:46,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-10-20 06:20:46,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818922022] [2020-10-20 06:20:46,283 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 06:20:46,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:20:46,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 06:20:46,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-20 06:20:46,284 INFO L87 Difference]: Start difference. First operand 197 states and 215 transitions. Second operand 4 states. [2020-10-20 06:20:46,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:20:46,936 INFO L93 Difference]: Finished difference Result 196 states and 214 transitions. [2020-10-20 06:20:46,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:20:46,938 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-10-20 06:20:46,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:20:46,940 INFO L225 Difference]: With dead ends: 196 [2020-10-20 06:20:46,940 INFO L226 Difference]: Without dead ends: 196 [2020-10-20 06:20:46,941 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 [2020-10-20 06:20:46,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2020-10-20 06:20:46,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2020-10-20 06:20:46,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2020-10-20 06:20:46,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 214 transitions. [2020-10-20 06:20:46,976 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 214 transitions. Word has length 7 [2020-10-20 06:20:46,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:20:46,977 INFO L481 AbstractCegarLoop]: Abstraction has 196 states and 214 transitions. [2020-10-20 06:20:46,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 06:20:46,977 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 214 transitions. [2020-10-20 06:20:46,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-20 06:20:46,978 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:20:46,978 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:20:47,199 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 06:20:47,201 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, 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, 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, single_argvErr4REQUIRES_VIOLATION, single_argvErr1REQUIRES_VIOLATION, single_argvErr22REQUIRES_VIOLATION, single_argvErr23REQUIRES_VIOLATION, single_argvErr21REQUIRES_VIOLATION, single_argvErr0REQUIRES_VIOLATION, single_argvErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr20REQUIRES_VIOLATION, single_argvErr18REQUIRES_VIOLATION, single_argvErr19REQUIRES_VIOLATION, single_argvErr17REQUIRES_VIOLATION, single_argvErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr16REQUIRES_VIOLATION, single_argvErr14REQUIRES_VIOLATION, single_argvErr15REQUIRES_VIOLATION, single_argvErr13REQUIRES_VIOLATION, single_argvErr12REQUIRES_VIOLATION, single_argvErr33REQUIRES_VIOLATION, single_argvErr32REQUIRES_VIOLATION, single_argvErr10REQUIRES_VIOLATION, single_argvErr11REQUIRES_VIOLATION, single_argvErr9REQUIRES_VIOLATION, single_argvErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr31REQUIRES_VIOLATION, single_argvErr30REQUIRES_VIOLATION, single_argvErr8REQUIRES_VIOLATION, single_argvErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr29REQUIRES_VIOLATION, single_argvErr28REQUIRES_VIOLATION, single_argvErr6REQUIRES_VIOLATION, single_argvErr7REQUIRES_VIOLATION, single_argvErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr5REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr33ASSERT_VIOLATIONMEMORY_FREE, mainErr34ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, 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, dirnameErr2REQUIRES_VIOLATION, dirnameErr3REQUIRES_VIOLATION, dirnameErr0REQUIRES_VIOLATION, dirnameErr1REQUIRES_VIOLATION]=== [2020-10-20 06:20:47,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:20:47,202 INFO L82 PathProgramCache]: Analyzing trace with hash 458649672, now seen corresponding path program 1 times [2020-10-20 06:20:47,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:20:47,203 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [359201497] [2020-10-20 06:20:47,203 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 [2020-10-20 06:20:47,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:20:47,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 06:20:47,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:20:47,520 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 [2020-10-20 06:20:47,520 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:20:47,526 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:20:47,527 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:20:47,527 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-10-20 06:20:47,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:20:47,554 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:20:47,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:20:47,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [359201497] [2020-10-20 06:20:47,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:20:47,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-10-20 06:20:47,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147220171] [2020-10-20 06:20:47,695 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 06:20:47,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:20:47,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 06:20:47,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-20 06:20:47,696 INFO L87 Difference]: Start difference. First operand 196 states and 214 transitions. Second operand 6 states. [2020-10-20 06:20:49,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:20:49,275 INFO L93 Difference]: Finished difference Result 205 states and 225 transitions. [2020-10-20 06:20:49,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 06:20:49,276 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2020-10-20 06:20:49,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:20:49,277 INFO L225 Difference]: With dead ends: 205 [2020-10-20 06:20:49,278 INFO L226 Difference]: Without dead ends: 205 [2020-10-20 06:20:49,278 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-10-20 06:20:49,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2020-10-20 06:20:49,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 202. [2020-10-20 06:20:49,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-10-20 06:20:49,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 221 transitions. [2020-10-20 06:20:49,296 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 221 transitions. Word has length 10 [2020-10-20 06:20:49,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:20:49,296 INFO L481 AbstractCegarLoop]: Abstraction has 202 states and 221 transitions. [2020-10-20 06:20:49,296 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 06:20:49,296 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 221 transitions. [2020-10-20 06:20:49,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-20 06:20:49,297 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:20:49,297 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:20:49,502 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-20 06:20:49,503 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, 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, 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, single_argvErr4REQUIRES_VIOLATION, single_argvErr1REQUIRES_VIOLATION, single_argvErr22REQUIRES_VIOLATION, single_argvErr23REQUIRES_VIOLATION, single_argvErr21REQUIRES_VIOLATION, single_argvErr0REQUIRES_VIOLATION, single_argvErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr20REQUIRES_VIOLATION, single_argvErr18REQUIRES_VIOLATION, single_argvErr19REQUIRES_VIOLATION, single_argvErr17REQUIRES_VIOLATION, single_argvErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr16REQUIRES_VIOLATION, single_argvErr14REQUIRES_VIOLATION, single_argvErr15REQUIRES_VIOLATION, single_argvErr13REQUIRES_VIOLATION, single_argvErr12REQUIRES_VIOLATION, single_argvErr33REQUIRES_VIOLATION, single_argvErr32REQUIRES_VIOLATION, single_argvErr10REQUIRES_VIOLATION, single_argvErr11REQUIRES_VIOLATION, single_argvErr9REQUIRES_VIOLATION, single_argvErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr31REQUIRES_VIOLATION, single_argvErr30REQUIRES_VIOLATION, single_argvErr8REQUIRES_VIOLATION, single_argvErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr29REQUIRES_VIOLATION, single_argvErr28REQUIRES_VIOLATION, single_argvErr6REQUIRES_VIOLATION, single_argvErr7REQUIRES_VIOLATION, single_argvErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr5REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr33ASSERT_VIOLATIONMEMORY_FREE, mainErr34ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, 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, dirnameErr2REQUIRES_VIOLATION, dirnameErr3REQUIRES_VIOLATION, dirnameErr0REQUIRES_VIOLATION, dirnameErr1REQUIRES_VIOLATION]=== [2020-10-20 06:20:49,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:20:49,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1228526414, now seen corresponding path program 1 times [2020-10-20 06:20:49,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:20:49,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [636566119] [2020-10-20 06:20:49,507 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 [2020-10-20 06:20:49,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:20:49,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-20 06:20:49,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:20:49,864 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 [2020-10-20 06:20:49,864 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:20:49,879 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:20:49,879 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:20:49,880 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-10-20 06:20:49,949 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:20:49,951 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:20:50,091 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 11 [2020-10-20 06:20:50,438 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:20:50,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [636566119] [2020-10-20 06:20:50,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 06:20:50,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2020-10-20 06:20:50,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693427484] [2020-10-20 06:20:50,439 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-20 06:20:50,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:20:50,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-20 06:20:50,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-20 06:20:50,440 INFO L87 Difference]: Start difference. First operand 202 states and 221 transitions. Second operand 10 states. [2020-10-20 06:20:51,245 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 18 [2020-10-20 06:20:53,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:20:53,288 INFO L93 Difference]: Finished difference Result 212 states and 230 transitions. [2020-10-20 06:20:53,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 06:20:53,289 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 18 [2020-10-20 06:20:53,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:20:53,291 INFO L225 Difference]: With dead ends: 212 [2020-10-20 06:20:53,291 INFO L226 Difference]: Without dead ends: 212 [2020-10-20 06:20:53,291 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2020-10-20 06:20:53,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-10-20 06:20:53,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2020-10-20 06:20:53,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-10-20 06:20:53,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 230 transitions. [2020-10-20 06:20:53,302 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 230 transitions. Word has length 18 [2020-10-20 06:20:53,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:20:53,302 INFO L481 AbstractCegarLoop]: Abstraction has 212 states and 230 transitions. [2020-10-20 06:20:53,303 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-20 06:20:53,303 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 230 transitions. [2020-10-20 06:20:53,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-20 06:20:53,304 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:20:53,304 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:20:53,521 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-20 06:20:53,523 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, 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, 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, single_argvErr4REQUIRES_VIOLATION, single_argvErr1REQUIRES_VIOLATION, single_argvErr22REQUIRES_VIOLATION, single_argvErr23REQUIRES_VIOLATION, single_argvErr21REQUIRES_VIOLATION, single_argvErr0REQUIRES_VIOLATION, single_argvErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr20REQUIRES_VIOLATION, single_argvErr18REQUIRES_VIOLATION, single_argvErr19REQUIRES_VIOLATION, single_argvErr17REQUIRES_VIOLATION, single_argvErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr16REQUIRES_VIOLATION, single_argvErr14REQUIRES_VIOLATION, single_argvErr15REQUIRES_VIOLATION, single_argvErr13REQUIRES_VIOLATION, single_argvErr12REQUIRES_VIOLATION, single_argvErr33REQUIRES_VIOLATION, single_argvErr32REQUIRES_VIOLATION, single_argvErr10REQUIRES_VIOLATION, single_argvErr11REQUIRES_VIOLATION, single_argvErr9REQUIRES_VIOLATION, single_argvErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr31REQUIRES_VIOLATION, single_argvErr30REQUIRES_VIOLATION, single_argvErr8REQUIRES_VIOLATION, single_argvErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr29REQUIRES_VIOLATION, single_argvErr28REQUIRES_VIOLATION, single_argvErr6REQUIRES_VIOLATION, single_argvErr7REQUIRES_VIOLATION, single_argvErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr5REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr33ASSERT_VIOLATIONMEMORY_FREE, mainErr34ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, 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, dirnameErr2REQUIRES_VIOLATION, dirnameErr3REQUIRES_VIOLATION, dirnameErr0REQUIRES_VIOLATION, dirnameErr1REQUIRES_VIOLATION]=== [2020-10-20 06:20:53,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:20:53,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1074801446, now seen corresponding path program 1 times [2020-10-20 06:20:53,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:20:53,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1349841681] [2020-10-20 06:20:53,525 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 [2020-10-20 06:20:53,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:20:53,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-20 06:20:53,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:20:53,897 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:20:53,897 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:20:54,084 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:20:54,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1349841681] [2020-10-20 06:20:54,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 06:20:54,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2020-10-20 06:20:54,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953040900] [2020-10-20 06:20:54,086 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-20 06:20:54,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:20:54,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-20 06:20:54,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-10-20 06:20:54,087 INFO L87 Difference]: Start difference. First operand 212 states and 230 transitions. Second operand 14 states. [2020-10-20 06:20:54,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:20:54,497 INFO L93 Difference]: Finished difference Result 232 states and 250 transitions. [2020-10-20 06:20:54,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-20 06:20:54,498 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 37 [2020-10-20 06:20:54,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:20:54,500 INFO L225 Difference]: With dead ends: 232 [2020-10-20 06:20:54,500 INFO L226 Difference]: Without dead ends: 232 [2020-10-20 06:20:54,501 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=176, Unknown=0, NotChecked=0, Total=272 [2020-10-20 06:20:54,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2020-10-20 06:20:54,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 232. [2020-10-20 06:20:54,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2020-10-20 06:20:54,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 250 transitions. [2020-10-20 06:20:54,517 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 250 transitions. Word has length 37 [2020-10-20 06:20:54,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:20:54,517 INFO L481 AbstractCegarLoop]: Abstraction has 232 states and 250 transitions. [2020-10-20 06:20:54,517 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-20 06:20:54,517 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 250 transitions. [2020-10-20 06:20:54,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-20 06:20:54,522 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:20:54,522 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:20:54,727 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-10-20 06:20:54,728 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, 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, 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, single_argvErr4REQUIRES_VIOLATION, single_argvErr1REQUIRES_VIOLATION, single_argvErr22REQUIRES_VIOLATION, single_argvErr23REQUIRES_VIOLATION, single_argvErr21REQUIRES_VIOLATION, single_argvErr0REQUIRES_VIOLATION, single_argvErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr20REQUIRES_VIOLATION, single_argvErr18REQUIRES_VIOLATION, single_argvErr19REQUIRES_VIOLATION, single_argvErr17REQUIRES_VIOLATION, single_argvErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr16REQUIRES_VIOLATION, single_argvErr14REQUIRES_VIOLATION, single_argvErr15REQUIRES_VIOLATION, single_argvErr13REQUIRES_VIOLATION, single_argvErr12REQUIRES_VIOLATION, single_argvErr33REQUIRES_VIOLATION, single_argvErr32REQUIRES_VIOLATION, single_argvErr10REQUIRES_VIOLATION, single_argvErr11REQUIRES_VIOLATION, single_argvErr9REQUIRES_VIOLATION, single_argvErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr31REQUIRES_VIOLATION, single_argvErr30REQUIRES_VIOLATION, single_argvErr8REQUIRES_VIOLATION, single_argvErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr29REQUIRES_VIOLATION, single_argvErr28REQUIRES_VIOLATION, single_argvErr6REQUIRES_VIOLATION, single_argvErr7REQUIRES_VIOLATION, single_argvErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr5REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr33ASSERT_VIOLATIONMEMORY_FREE, mainErr34ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, 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, dirnameErr2REQUIRES_VIOLATION, dirnameErr3REQUIRES_VIOLATION, dirnameErr0REQUIRES_VIOLATION, dirnameErr1REQUIRES_VIOLATION]=== [2020-10-20 06:20:54,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:20:54,728 INFO L82 PathProgramCache]: Analyzing trace with hash -1791895177, now seen corresponding path program 2 times [2020-10-20 06:20:54,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:20:54,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [892964570] [2020-10-20 06:20:54,730 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 [2020-10-20 06:20:55,113 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-10-20 06:20:55,114 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-20 06:20:55,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-20 06:20:55,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:20:55,164 INFO L350 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2020-10-20 06:20:55,165 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 1 case distinctions, treesize of input 9 treesize of output 11 [2020-10-20 06:20:55,165 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:20:55,172 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:20:55,173 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 06:20:55,174 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:11 [2020-10-20 06:20:55,195 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2020-10-20 06:20:55,196 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:20:55,225 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2020-10-20 06:20:55,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [892964570] [2020-10-20 06:20:55,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:20:55,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 06:20:55,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049104627] [2020-10-20 06:20:55,228 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 06:20:55,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:20:55,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:20:55,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:20:55,229 INFO L87 Difference]: Start difference. First operand 232 states and 250 transitions. Second operand 3 states. [2020-10-20 06:20:55,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:20:55,524 INFO L93 Difference]: Finished difference Result 243 states and 262 transitions. [2020-10-20 06:20:55,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:20:55,525 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-10-20 06:20:55,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:20:55,527 INFO L225 Difference]: With dead ends: 243 [2020-10-20 06:20:55,527 INFO L226 Difference]: Without dead ends: 243 [2020-10-20 06:20:55,527 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:20:55,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-10-20 06:20:55,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 227. [2020-10-20 06:20:55,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-10-20 06:20:55,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 245 transitions. [2020-10-20 06:20:55,534 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 245 transitions. Word has length 57 [2020-10-20 06:20:55,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:20:55,534 INFO L481 AbstractCegarLoop]: Abstraction has 227 states and 245 transitions. [2020-10-20 06:20:55,534 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 06:20:55,535 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 245 transitions. [2020-10-20 06:20:55,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-20 06:20:55,536 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:20:55,536 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:20:55,750 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-10-20 06:20:55,751 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, 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, 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, single_argvErr4REQUIRES_VIOLATION, single_argvErr1REQUIRES_VIOLATION, single_argvErr22REQUIRES_VIOLATION, single_argvErr23REQUIRES_VIOLATION, single_argvErr21REQUIRES_VIOLATION, single_argvErr0REQUIRES_VIOLATION, single_argvErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr20REQUIRES_VIOLATION, single_argvErr18REQUIRES_VIOLATION, single_argvErr19REQUIRES_VIOLATION, single_argvErr17REQUIRES_VIOLATION, single_argvErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr16REQUIRES_VIOLATION, single_argvErr14REQUIRES_VIOLATION, single_argvErr15REQUIRES_VIOLATION, single_argvErr13REQUIRES_VIOLATION, single_argvErr12REQUIRES_VIOLATION, single_argvErr33REQUIRES_VIOLATION, single_argvErr32REQUIRES_VIOLATION, single_argvErr10REQUIRES_VIOLATION, single_argvErr11REQUIRES_VIOLATION, single_argvErr9REQUIRES_VIOLATION, single_argvErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr31REQUIRES_VIOLATION, single_argvErr30REQUIRES_VIOLATION, single_argvErr8REQUIRES_VIOLATION, single_argvErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr29REQUIRES_VIOLATION, single_argvErr28REQUIRES_VIOLATION, single_argvErr6REQUIRES_VIOLATION, single_argvErr7REQUIRES_VIOLATION, single_argvErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr5REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr33ASSERT_VIOLATIONMEMORY_FREE, mainErr34ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, 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, dirnameErr2REQUIRES_VIOLATION, dirnameErr3REQUIRES_VIOLATION, dirnameErr0REQUIRES_VIOLATION, dirnameErr1REQUIRES_VIOLATION]=== [2020-10-20 06:20:55,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:20:55,751 INFO L82 PathProgramCache]: Analyzing trace with hash -1791895176, now seen corresponding path program 1 times [2020-10-20 06:20:55,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:20:55,753 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [863169371] [2020-10-20 06:20:55,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-10-20 06:20:56,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:20:56,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-20 06:20:56,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:20:56,308 INFO L350 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2020-10-20 06:20:56,309 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 1 case distinctions, treesize of input 17 treesize of output 19 [2020-10-20 06:20:56,309 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:20:56,332 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:20:56,333 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 06:20:56,334 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:27, output treesize:28 [2020-10-20 06:20:56,404 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2020-10-20 06:20:56,404 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:20:56,546 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:20:56,566 INFO L625 ElimStorePlain]: treesize reduction 12, result has 42.9 percent of original size [2020-10-20 06:20:56,567 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:20:56,567 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:33, output treesize:9 [2020-10-20 06:20:56,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [863169371] [2020-10-20 06:20:56,639 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 06:20:56,639 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1454707804] [2020-10-20 06:20:56,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-10-20 06:20:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:20:58,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-20 06:20:58,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:20:58,168 INFO L441 ElimStorePlain]: Different costs {0=[|v_#length_160|], 1=[|v_#valid_173|]} [2020-10-20 06:20:58,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 06:20:58,189 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2020-10-20 06:20:58,190 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:20:58,220 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:20:58,229 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2020-10-20 06:20:58,232 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 06:20:58,261 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:20:58,262 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 06:20:58,262 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:35, output treesize:32 [2020-10-20 06:20:58,330 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2020-10-20 06:20:58,331 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:20:58,336 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-20 06:20:58,365 INFO L441 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2020-10-20 06:20:58,367 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-20 06:20:58,369 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-10-20 06:20:58,369 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:20:58,378 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:20:58,378 INFO L513 ElimStorePlain]: Eliminatee |#length| vanished before elimination [2020-10-20 06:20:58,378 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:20:58,378 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:43, output treesize:9 [2020-10-20 06:20:58,425 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-20 06:20:58,472 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2020-10-20 06:20:58,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:20:58,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-10-20 06:20:58,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061812317] [2020-10-20 06:20:58,474 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-20 06:20:58,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:20:58,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-20 06:20:58,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-20 06:20:58,475 INFO L87 Difference]: Start difference. First operand 227 states and 245 transitions. Second operand 9 states. [2020-10-20 06:20:59,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:20:59,681 INFO L93 Difference]: Finished difference Result 259 states and 279 transitions. [2020-10-20 06:20:59,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 06:20:59,687 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-10-20 06:20:59,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:20:59,689 INFO L225 Difference]: With dead ends: 259 [2020-10-20 06:20:59,690 INFO L226 Difference]: Without dead ends: 259 [2020-10-20 06:20:59,690 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2020-10-20 06:20:59,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2020-10-20 06:20:59,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 239. [2020-10-20 06:20:59,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2020-10-20 06:20:59,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 268 transitions. [2020-10-20 06:20:59,697 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 268 transitions. Word has length 57 [2020-10-20 06:20:59,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:20:59,697 INFO L481 AbstractCegarLoop]: Abstraction has 239 states and 268 transitions. [2020-10-20 06:20:59,697 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-20 06:20:59,697 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 268 transitions. [2020-10-20 06:20:59,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-20 06:20:59,698 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:20:59,699 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:21:00,115 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt --rewrite-divk,8 mathsat -unsat_core_generation=3 [2020-10-20 06:21:00,117 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, 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, 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, single_argvErr4REQUIRES_VIOLATION, single_argvErr1REQUIRES_VIOLATION, single_argvErr22REQUIRES_VIOLATION, single_argvErr23REQUIRES_VIOLATION, single_argvErr21REQUIRES_VIOLATION, single_argvErr0REQUIRES_VIOLATION, single_argvErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr20REQUIRES_VIOLATION, single_argvErr18REQUIRES_VIOLATION, single_argvErr19REQUIRES_VIOLATION, single_argvErr17REQUIRES_VIOLATION, single_argvErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr16REQUIRES_VIOLATION, single_argvErr14REQUIRES_VIOLATION, single_argvErr15REQUIRES_VIOLATION, single_argvErr13REQUIRES_VIOLATION, single_argvErr12REQUIRES_VIOLATION, single_argvErr33REQUIRES_VIOLATION, single_argvErr32REQUIRES_VIOLATION, single_argvErr10REQUIRES_VIOLATION, single_argvErr11REQUIRES_VIOLATION, single_argvErr9REQUIRES_VIOLATION, single_argvErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr31REQUIRES_VIOLATION, single_argvErr30REQUIRES_VIOLATION, single_argvErr8REQUIRES_VIOLATION, single_argvErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr29REQUIRES_VIOLATION, single_argvErr28REQUIRES_VIOLATION, single_argvErr6REQUIRES_VIOLATION, single_argvErr7REQUIRES_VIOLATION, single_argvErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, single_argvErr5REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr33ASSERT_VIOLATIONMEMORY_FREE, mainErr34ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, 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, dirnameErr2REQUIRES_VIOLATION, dirnameErr3REQUIRES_VIOLATION, dirnameErr0REQUIRES_VIOLATION, dirnameErr1REQUIRES_VIOLATION]=== [2020-10-20 06:21:00,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:21:00,118 INFO L82 PathProgramCache]: Analyzing trace with hash -200259838, now seen corresponding path program 1 times [2020-10-20 06:21:00,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:21:00,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1339478766] [2020-10-20 06:21:00,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2020-10-20 06:21:00,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:21:00,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 12 conjunts are in the unsatisfiable core [2020-10-20 06:21:00,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:21:00,659 INFO L350 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2020-10-20 06:21:00,659 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 1 case distinctions, treesize of input 17 treesize of output 19 [2020-10-20 06:21:00,660 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:21:00,688 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:21:00,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1339478766] [2020-10-20 06:21:00,690 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 06:21:00,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [401376897] [2020-10-20 06:21:00,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-10-20 06:21:01,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:21:01,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 16 conjunts are in the unsatisfiable core [2020-10-20 06:21:01,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:21:01,768 INFO L441 ElimStorePlain]: Different costs {0=[|v_#length_166|], 1=[|v_#valid_178|]} [2020-10-20 06:21:01,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 06:21:01,779 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2020-10-20 06:21:01,779 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:21:01,806 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:21:01,819 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2020-10-20 06:21:01,820 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 06:21:01,849 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:21:01,850 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 06:21:01,851 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:35, output treesize:32 [2020-10-20 06:21:02,145 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 06:21:02,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144910573] [2020-10-20 06:21:02,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 06:21:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:21:02,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 12 conjunts are in the unsatisfiable core [2020-10-20 06:21:02,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:21:02,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 06:21:02,705 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2020-10-20 06:21:02,706 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:21:02,813 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 30 [2020-10-20 06:21:02,814 INFO L625 ElimStorePlain]: treesize reduction 3, result has 93.0 percent of original size [2020-10-20 06:21:02,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 06:21:02,827 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-10-20 06:21:02,829 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 1) [2020-10-20 06:21:02,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:21:02,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-10-20 06:21:02,829 ERROR L205 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2020-10-20 06:21:02,830 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 06:21:03,437 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,10 mathsat -unsat_core_generation=3,11 cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-10-20 06:21:03,454 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-10-20 06:21:03,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:21:03 BoogieIcfgContainer [2020-10-20 06:21:03,454 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 06:21:03,455 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:21:03,455 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:21:03,455 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:21:03,457 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:20:44" (3/4) ... [2020-10-20 06:21:03,460 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:21:03,460 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:21:03,462 INFO L168 Benchmark]: Toolchain (without parser) took 23058.44 ms. Allocated memory was 39.3 MB in the beginning and 114.3 MB in the end (delta: 75.0 MB). Free memory was 19.6 MB in the beginning and 72.0 MB in the end (delta: -52.4 MB). Peak memory consumption was 22.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:21:03,463 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 29.4 MB. Free memory was 14.5 MB in the beginning and 14.5 MB in the end (delta: 39.9 kB). Peak memory consumption was 39.9 kB. Max. memory is 14.3 GB. [2020-10-20 06:21:03,463 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1402.21 ms. Allocated memory was 39.3 MB in the beginning and 48.8 MB in the end (delta: 9.4 MB). Free memory was 18.8 MB in the beginning and 19.6 MB in the end (delta: -828.2 kB). Peak memory consumption was 14.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:21:03,464 INFO L168 Benchmark]: Boogie Preprocessor took 151.36 ms. Allocated memory is still 48.8 MB. Free memory was 19.6 MB in the beginning and 11.7 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:21:03,465 INFO L168 Benchmark]: RCFGBuilder took 2300.82 ms. Allocated memory was 48.8 MB in the beginning and 62.4 MB in the end (delta: 13.6 MB). Free memory was 11.7 MB in the beginning and 36.7 MB in the end (delta: -25.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 14.3 GB. [2020-10-20 06:21:03,465 INFO L168 Benchmark]: TraceAbstraction took 19184.95 ms. Allocated memory was 62.4 MB in the beginning and 114.3 MB in the end (delta: 51.9 MB). Free memory was 36.1 MB in the beginning and 72.0 MB in the end (delta: -35.9 MB). Peak memory consumption was 76.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:21:03,466 INFO L168 Benchmark]: Witness Printer took 5.49 ms. Allocated memory is still 114.3 MB. Free memory is still 72.0 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:21:03,469 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 29.4 MB. Free memory was 14.5 MB in the beginning and 14.5 MB in the end (delta: 39.9 kB). Peak memory consumption was 39.9 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1402.21 ms. Allocated memory was 39.3 MB in the beginning and 48.8 MB in the end (delta: 9.4 MB). Free memory was 18.8 MB in the beginning and 19.6 MB in the end (delta: -828.2 kB). Peak memory consumption was 14.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 151.36 ms. Allocated memory is still 48.8 MB. Free memory was 19.6 MB in the beginning and 11.7 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 14.3 GB. * RCFGBuilder took 2300.82 ms. Allocated memory was 48.8 MB in the beginning and 62.4 MB in the end (delta: 13.6 MB). Free memory was 11.7 MB in the beginning and 36.7 MB in the end (delta: -25.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 14.3 GB. * TraceAbstraction took 19184.95 ms. Allocated memory was 62.4 MB in the beginning and 114.3 MB in the end (delta: 51.9 MB). Free memory was 36.1 MB in the beginning and 72.0 MB in the end (delta: -35.9 MB). Peak memory consumption was 76.4 MB. Max. memory is 14.3 GB. * Witness Printer took 5.49 ms. Allocated memory is still 114.3 MB. Free memory is still 72.0 MB. There was no memory consumed. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1337]: 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: [L1136] static const char *applet_name; [L1137] static signed int bb_errno_location; [L1235] static char dir[42]; [L1241] static struct utmp dummy_utmp; [L1323] char *a = malloc(11); [L1324] a[10] = 0 [L1325] int i=0; [L1325] COND TRUE i<10 [L1326] a[i]=__VERIFIER_nondet_char() [L1325] ++i [L1325] COND TRUE i<10 [L1326] a[i]=__VERIFIER_nondet_char() [L1325] ++i [L1325] COND TRUE i<10 [L1326] a[i]=__VERIFIER_nondet_char() [L1325] ++i [L1325] COND TRUE i<10 [L1326] a[i]=__VERIFIER_nondet_char() [L1325] ++i [L1325] COND TRUE i<10 [L1326] a[i]=__VERIFIER_nondet_char() [L1325] ++i [L1325] COND TRUE i<10 [L1326] a[i]=__VERIFIER_nondet_char() [L1325] ++i [L1325] COND TRUE i<10 [L1326] a[i]=__VERIFIER_nondet_char() [L1325] ++i [L1325] COND TRUE i<10 [L1326] a[i]=__VERIFIER_nondet_char() [L1325] ++i [L1325] COND TRUE i<10 [L1326] a[i]=__VERIFIER_nondet_char() [L1325] ++i [L1325] COND TRUE i<10 [L1326] a[i]=__VERIFIER_nondet_char() [L1325] ++i [L1325] COND FALSE !(i<10) [L1327] applet_name = a [L1328] bb_errno_location = __VERIFIER_nondet_int() [L1329] optind = 1 [L1330] int argc = __VERIFIER_nondet_int(); [L1331] CALL assume_abort_if_not(argc >= 1 && argc <= 10000) [L9] COND FALSE !(!cond) [L1331] RET assume_abort_if_not(argc >= 1 && argc <= 10000) [L1332] char **argv=malloc((argc+1)*sizeof(char*)); [L1333] char **mem_track=malloc((argc+1)*sizeof(char*)); [L1334] argv[argc]=0 [L1335] int i=0; [L1335] COND TRUE i