./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/basename-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 20ed64ec 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_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/busybox-1.22.0/basename-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ce82bd2068c431a8a58717550c5ca3a1f22bb267 .................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/busybox-1.22.0/basename-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ce82bd2068c431a8a58717550c5ca3a1f22bb267 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 08:19:36,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 08:19:36,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 08:19:36,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 08:19:36,289 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 08:19:36,292 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 08:19:36,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 08:19:36,298 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 08:19:36,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 08:19:36,304 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 08:19:36,305 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 08:19:36,308 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 08:19:36,308 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 08:19:36,311 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 08:19:36,312 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 08:19:36,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 08:19:36,316 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 08:19:36,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 08:19:36,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 08:19:36,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 08:19:36,326 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 08:19:36,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 08:19:36,329 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 08:19:36,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 08:19:36,335 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 08:19:36,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 08:19:36,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 08:19:36,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 08:19:36,338 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 08:19:36,339 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 08:19:36,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 08:19:36,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 08:19:36,341 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 08:19:36,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 08:19:36,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 08:19:36,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 08:19:36,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 08:19:36,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 08:19:36,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 08:19:36,345 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 08:19:36,346 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 08:19:36,346 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2021-08-27 08:19:36,391 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 08:19:36,392 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 08:19:36,393 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 08:19:36,393 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 08:19:36,394 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 08:19:36,395 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 08:19:36,395 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 08:19:36,395 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 08:19:36,395 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 08:19:36,395 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 08:19:36,396 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 08:19:36,396 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-27 08:19:36,396 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-27 08:19:36,397 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-27 08:19:36,397 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 08:19:36,397 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-27 08:19:36,397 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 08:19:36,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 08:19:36,397 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 08:19:36,397 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 08:19:36,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 08:19:36,398 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 08:19:36,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 08:19:36,398 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 08:19:36,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-27 08:19:36,398 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 08:19:36,398 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce82bd2068c431a8a58717550c5ca3a1f22bb267 [2021-08-27 08:19:36,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 08:19:36,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 08:19:36,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 08:19:36,752 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 08:19:36,753 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 08:19:36,754 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/basename-2.i [2021-08-27 08:19:36,825 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bca8d0530/f4230b17099c44f6aa76ad573f9bb6bb/FLAG9d54fd60c [2021-08-27 08:19:37,405 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 08:19:37,406 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/basename-2.i [2021-08-27 08:19:37,429 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bca8d0530/f4230b17099c44f6aa76ad573f9bb6bb/FLAG9d54fd60c [2021-08-27 08:19:37,787 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bca8d0530/f4230b17099c44f6aa76ad573f9bb6bb [2021-08-27 08:19:37,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 08:19:37,792 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-27 08:19:37,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 08:19:37,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 08:19:37,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 08:19:37,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 08:19:37" (1/1) ... [2021-08-27 08:19:37,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@403872cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 08:19:37, skipping insertion in model container [2021-08-27 08:19:37,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 08:19:37" (1/1) ... [2021-08-27 08:19:37,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 08:19:37,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 08:19:38,479 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2021-08-27 08:19:38,547 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 08:19:38,562 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) [2021-08-27 08:19:38,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4231194d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 08:19:38, skipping insertion in model container [2021-08-27 08:19:38,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 08:19:38,564 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-08-27 08:19:38,566 INFO L168 Benchmark]: Toolchain (without parser) took 773.11 ms. Allocated memory is still 69.2 MB. Free memory was 45.4 MB in the beginning and 42.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-08-27 08:19:38,568 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 69.2 MB. Free memory was 49.5 MB in the beginning and 49.5 MB in the end (delta: 39.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 08:19:38,569 INFO L168 Benchmark]: CACSL2BoogieTranslator took 769.26 ms. Allocated memory is still 69.2 MB. Free memory was 45.3 MB in the beginning and 42.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-08-27 08:19:38,571 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 69.2 MB. Free memory was 49.5 MB in the beginning and 49.5 MB in the end (delta: 39.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 769.26 ms. Allocated memory is still 69.2 MB. Free memory was 45.3 MB in the beginning and 42.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1515]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 08:19:40,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 08:19:40,345 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 08:19:40,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 08:19:40,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 08:19:40,388 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 08:19:40,389 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 08:19:40,394 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 08:19:40,405 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 08:19:40,409 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 08:19:40,410 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 08:19:40,414 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 08:19:40,414 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 08:19:40,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 08:19:40,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 08:19:40,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 08:19:40,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 08:19:40,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 08:19:40,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 08:19:40,433 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 08:19:40,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 08:19:40,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 08:19:40,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 08:19:40,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 08:19:40,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 08:19:40,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 08:19:40,448 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 08:19:40,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 08:19:40,451 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 08:19:40,451 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 08:19:40,452 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 08:19:40,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 08:19:40,454 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 08:19:40,455 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 08:19:40,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 08:19:40,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 08:19:40,457 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 08:19:40,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 08:19:40,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 08:19:40,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 08:19:40,460 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 08:19:40,463 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2021-08-27 08:19:40,499 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 08:19:40,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 08:19:40,501 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 08:19:40,501 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 08:19:40,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 08:19:40,503 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 08:19:40,504 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 08:19:40,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 08:19:40,504 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 08:19:40,505 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 08:19:40,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 08:19:40,506 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-27 08:19:40,506 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-27 08:19:40,506 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-27 08:19:40,506 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 08:19:40,506 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-27 08:19:40,507 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-27 08:19:40,507 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-27 08:19:40,507 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 08:19:40,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 08:19:40,508 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 08:19:40,508 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 08:19:40,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 08:19:40,508 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 08:19:40,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 08:19:40,509 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-27 08:19:40,509 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-27 08:19:40,509 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 08:19:40,509 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-27 08:19:40,510 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce82bd2068c431a8a58717550c5ca3a1f22bb267 [2021-08-27 08:19:40,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 08:19:40,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 08:19:40,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 08:19:40,885 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 08:19:40,886 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 08:19:40,887 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/basename-2.i [2021-08-27 08:19:40,952 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae64f99e9/860b0a4f219a4a34aff7098ab406d709/FLAGecda6c8e1 [2021-08-27 08:19:41,514 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 08:19:41,515 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/basename-2.i [2021-08-27 08:19:41,535 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae64f99e9/860b0a4f219a4a34aff7098ab406d709/FLAGecda6c8e1 [2021-08-27 08:19:41,959 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae64f99e9/860b0a4f219a4a34aff7098ab406d709 [2021-08-27 08:19:41,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 08:19:41,965 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-27 08:19:41,969 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 08:19:41,969 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 08:19:41,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 08:19:41,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 08:19:41" (1/1) ... [2021-08-27 08:19:41,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2349e16c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 08:19:41, skipping insertion in model container [2021-08-27 08:19:41,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 08:19:41" (1/1) ... [2021-08-27 08:19:41,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 08:19:42,043 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 08:19:42,478 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2021-08-27 08:19:42,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 08:19:42,549 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-08-27 08:19:42,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 08:19:42,607 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2021-08-27 08:19:42,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 08:19:42,640 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 08:19:42,701 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2021-08-27 08:19:42,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 08:19:42,817 INFO L208 MainTranslator]: Completed translation [2021-08-27 08:19:42,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 08:19:42 WrapperNode [2021-08-27 08:19:42,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 08:19:42,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 08:19:42,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 08:19:42,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 08:19:42,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 08:19:42" (1/1) ... [2021-08-27 08:19:42,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 08:19:42" (1/1) ... [2021-08-27 08:19:42,857 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 08:19:42" (1/1) ... [2021-08-27 08:19:42,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 08:19:42" (1/1) ... [2021-08-27 08:19:42,913 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 08:19:42" (1/1) ... [2021-08-27 08:19:42,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 08:19:42" (1/1) ... [2021-08-27 08:19:42,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 08:19:42" (1/1) ... [2021-08-27 08:19:42,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 08:19:42,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 08:19:42,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 08:19:42,951 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 08:19:42,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 08:19:42" (1/1) ... [2021-08-27 08:19:42,959 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 08:19:42,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 08:19:42,986 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-27 08:19:43,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-27 08:19:43,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-08-27 08:19:43,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 08:19:43,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2021-08-27 08:19:43,050 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-08-27 08:19:43,050 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-08-27 08:19:43,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2021-08-27 08:19:43,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2021-08-27 08:19:43,052 INFO L138 BoogieDeclarations]: Found implementation of procedure syslog [2021-08-27 08:19:43,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __main [2021-08-27 08:19:43,052 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_get_last_path_component_nostrip [2021-08-27 08:19:43,052 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_get_last_path_component_strip [2021-08-27 08:19:43,053 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_show_usage [2021-08-27 08:19:43,053 INFO L138 BoogieDeclarations]: Found implementation of procedure full_write [2021-08-27 08:19:43,053 INFO L138 BoogieDeclarations]: Found implementation of procedure last_char_is [2021-08-27 08:19:43,053 INFO L138 BoogieDeclarations]: Found implementation of procedure safe_write [2021-08-27 08:19:43,054 INFO L138 BoogieDeclarations]: Found implementation of procedure getutent [2021-08-27 08:19:43,054 INFO L138 BoogieDeclarations]: Found implementation of procedure getopt [2021-08-27 08:19:43,054 INFO L138 BoogieDeclarations]: Found implementation of procedure getopt_long [2021-08-27 08:19:43,054 INFO L138 BoogieDeclarations]: Found implementation of procedure read [2021-08-27 08:19:43,054 INFO L138 BoogieDeclarations]: Found implementation of procedure vasprintf [2021-08-27 08:19:43,054 INFO L138 BoogieDeclarations]: Found implementation of procedure write [2021-08-27 08:19:43,055 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-08-27 08:19:43,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2021-08-27 08:19:43,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2021-08-27 08:19:43,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-08-27 08:19:43,056 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2021-08-27 08:19:43,056 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2021-08-27 08:19:43,056 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2021-08-27 08:19:43,056 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-08-27 08:19:43,056 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-08-27 08:19:43,056 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-08-27 08:19:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-08-27 08:19:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-08-27 08:19:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-08-27 08:19:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 08:19:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2021-08-27 08:19:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2021-08-27 08:19:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_b_loc [2021-08-27 08:19:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_tolower_loc [2021-08-27 08:19:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_toupper_loc [2021-08-27 08:19:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure isalnum [2021-08-27 08:19:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure isalpha [2021-08-27 08:19:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure iscntrl [2021-08-27 08:19:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure isdigit [2021-08-27 08:19:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure islower [2021-08-27 08:19:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure isgraph [2021-08-27 08:19:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure isprint [2021-08-27 08:19:43,059 INFO L130 BoogieDeclarations]: Found specification of procedure ispunct [2021-08-27 08:19:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure isspace [2021-08-27 08:19:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure isupper [2021-08-27 08:19:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure isxdigit [2021-08-27 08:19:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure tolower [2021-08-27 08:19:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure toupper [2021-08-27 08:19:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure isblank [2021-08-27 08:19:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure isascii [2021-08-27 08:19:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure toascii [2021-08-27 08:19:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure _toupper [2021-08-27 08:19:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure _tolower [2021-08-27 08:19:43,062 INFO L130 BoogieDeclarations]: Found specification of procedure isalnum_l [2021-08-27 08:19:43,062 INFO L130 BoogieDeclarations]: Found specification of procedure isalpha_l [2021-08-27 08:19:43,062 INFO L130 BoogieDeclarations]: Found specification of procedure iscntrl_l [2021-08-27 08:19:43,063 INFO L130 BoogieDeclarations]: Found specification of procedure isdigit_l [2021-08-27 08:19:43,064 INFO L130 BoogieDeclarations]: Found specification of procedure islower_l [2021-08-27 08:19:43,064 INFO L130 BoogieDeclarations]: Found specification of procedure isgraph_l [2021-08-27 08:19:43,065 INFO L130 BoogieDeclarations]: Found specification of procedure isprint_l [2021-08-27 08:19:43,065 INFO L130 BoogieDeclarations]: Found specification of procedure ispunct_l [2021-08-27 08:19:43,065 INFO L130 BoogieDeclarations]: Found specification of procedure isspace_l [2021-08-27 08:19:43,065 INFO L130 BoogieDeclarations]: Found specification of procedure isupper_l [2021-08-27 08:19:43,065 INFO L130 BoogieDeclarations]: Found specification of procedure isxdigit_l [2021-08-27 08:19:43,066 INFO L130 BoogieDeclarations]: Found specification of procedure isblank_l [2021-08-27 08:19:43,066 INFO L130 BoogieDeclarations]: Found specification of procedure __tolower_l [2021-08-27 08:19:43,066 INFO L130 BoogieDeclarations]: Found specification of procedure tolower_l [2021-08-27 08:19:43,066 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper_l [2021-08-27 08:19:43,066 INFO L130 BoogieDeclarations]: Found specification of procedure toupper_l [2021-08-27 08:19:43,067 INFO L130 BoogieDeclarations]: Found specification of procedure getopt [2021-08-27 08:19:43,067 INFO L130 BoogieDeclarations]: Found specification of procedure getopt_long [2021-08-27 08:19:43,067 INFO L130 BoogieDeclarations]: Found specification of procedure getopt_long_only [2021-08-27 08:19:43,068 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2021-08-27 08:19:43,068 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2021-08-27 08:19:43,068 INFO L130 BoogieDeclarations]: Found specification of procedure memccpy [2021-08-27 08:19:43,068 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2021-08-27 08:19:43,068 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-08-27 08:19:43,068 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2021-08-27 08:19:43,069 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2021-08-27 08:19:43,069 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-08-27 08:19:43,069 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-08-27 08:19:43,069 INFO L130 BoogieDeclarations]: Found specification of procedure strncat [2021-08-27 08:19:43,070 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2021-08-27 08:19:43,070 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-08-27 08:19:43,070 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll [2021-08-27 08:19:43,070 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm [2021-08-27 08:19:43,070 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll_l [2021-08-27 08:19:43,070 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm_l [2021-08-27 08:19:43,071 INFO L130 BoogieDeclarations]: Found specification of procedure strdup [2021-08-27 08:19:43,071 INFO L130 BoogieDeclarations]: Found specification of procedure strndup [2021-08-27 08:19:43,071 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2021-08-27 08:19:43,071 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2021-08-27 08:19:43,071 INFO L130 BoogieDeclarations]: Found specification of procedure strcspn [2021-08-27 08:19:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure strspn [2021-08-27 08:19:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure strpbrk [2021-08-27 08:19:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-08-27 08:19:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure strtok [2021-08-27 08:19:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure __strtok_r [2021-08-27 08:19:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure strtok_r [2021-08-27 08:19:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2021-08-27 08:19:43,073 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2021-08-27 08:19:43,073 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2021-08-27 08:19:43,073 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_r [2021-08-27 08:19:43,073 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_l [2021-08-27 08:19:43,073 INFO L130 BoogieDeclarations]: Found specification of procedure __bzero [2021-08-27 08:19:43,073 INFO L130 BoogieDeclarations]: Found specification of procedure bcopy [2021-08-27 08:19:43,073 INFO L130 BoogieDeclarations]: Found specification of procedure bzero [2021-08-27 08:19:43,074 INFO L130 BoogieDeclarations]: Found specification of procedure bcmp [2021-08-27 08:19:43,074 INFO L130 BoogieDeclarations]: Found specification of procedure index [2021-08-27 08:19:43,074 INFO L130 BoogieDeclarations]: Found specification of procedure rindex [2021-08-27 08:19:43,074 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2021-08-27 08:19:43,074 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2021-08-27 08:19:43,074 INFO L130 BoogieDeclarations]: Found specification of procedure strncasecmp [2021-08-27 08:19:43,074 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2021-08-27 08:19:43,075 INFO L130 BoogieDeclarations]: Found specification of procedure strsignal [2021-08-27 08:19:43,075 INFO L130 BoogieDeclarations]: Found specification of procedure __stpcpy [2021-08-27 08:19:43,075 INFO L130 BoogieDeclarations]: Found specification of procedure stpcpy [2021-08-27 08:19:43,076 INFO L130 BoogieDeclarations]: Found specification of procedure __stpncpy [2021-08-27 08:19:43,076 INFO L130 BoogieDeclarations]: Found specification of procedure stpncpy [2021-08-27 08:19:43,079 INFO L130 BoogieDeclarations]: Found specification of procedure access [2021-08-27 08:19:43,079 INFO L130 BoogieDeclarations]: Found specification of procedure faccessat [2021-08-27 08:19:43,079 INFO L130 BoogieDeclarations]: Found specification of procedure lseek [2021-08-27 08:19:43,080 INFO L130 BoogieDeclarations]: Found specification of procedure close [2021-08-27 08:19:43,081 INFO L130 BoogieDeclarations]: Found specification of procedure read [2021-08-27 08:19:43,081 INFO L130 BoogieDeclarations]: Found specification of procedure write [2021-08-27 08:19:43,081 INFO L130 BoogieDeclarations]: Found specification of procedure pread [2021-08-27 08:19:43,081 INFO L130 BoogieDeclarations]: Found specification of procedure pwrite [2021-08-27 08:19:43,082 INFO L130 BoogieDeclarations]: Found specification of procedure pipe [2021-08-27 08:19:43,087 INFO L130 BoogieDeclarations]: Found specification of procedure alarm [2021-08-27 08:19:43,087 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2021-08-27 08:19:43,087 INFO L130 BoogieDeclarations]: Found specification of procedure ualarm [2021-08-27 08:19:43,087 INFO L130 BoogieDeclarations]: Found specification of procedure usleep [2021-08-27 08:19:43,088 INFO L130 BoogieDeclarations]: Found specification of procedure pause [2021-08-27 08:19:43,088 INFO L130 BoogieDeclarations]: Found specification of procedure chown [2021-08-27 08:19:43,088 INFO L130 BoogieDeclarations]: Found specification of procedure fchown [2021-08-27 08:19:43,088 INFO L130 BoogieDeclarations]: Found specification of procedure lchown [2021-08-27 08:19:43,088 INFO L130 BoogieDeclarations]: Found specification of procedure fchownat [2021-08-27 08:19:43,088 INFO L130 BoogieDeclarations]: Found specification of procedure chdir [2021-08-27 08:19:43,088 INFO L130 BoogieDeclarations]: Found specification of procedure fchdir [2021-08-27 08:19:43,089 INFO L130 BoogieDeclarations]: Found specification of procedure getcwd [2021-08-27 08:19:43,089 INFO L130 BoogieDeclarations]: Found specification of procedure getwd [2021-08-27 08:19:43,089 INFO L130 BoogieDeclarations]: Found specification of procedure dup [2021-08-27 08:19:43,089 INFO L130 BoogieDeclarations]: Found specification of procedure dup2 [2021-08-27 08:19:43,089 INFO L130 BoogieDeclarations]: Found specification of procedure execve [2021-08-27 08:19:43,089 INFO L130 BoogieDeclarations]: Found specification of procedure fexecve [2021-08-27 08:19:43,089 INFO L130 BoogieDeclarations]: Found specification of procedure execv [2021-08-27 08:19:43,089 INFO L130 BoogieDeclarations]: Found specification of procedure execle [2021-08-27 08:19:43,090 INFO L130 BoogieDeclarations]: Found specification of procedure execl [2021-08-27 08:19:43,090 INFO L130 BoogieDeclarations]: Found specification of procedure execvp [2021-08-27 08:19:43,090 INFO L130 BoogieDeclarations]: Found specification of procedure execlp [2021-08-27 08:19:43,090 INFO L130 BoogieDeclarations]: Found specification of procedure nice [2021-08-27 08:19:43,090 INFO L130 BoogieDeclarations]: Found specification of procedure _exit [2021-08-27 08:19:43,090 INFO L130 BoogieDeclarations]: Found specification of procedure pathconf [2021-08-27 08:19:43,090 INFO L130 BoogieDeclarations]: Found specification of procedure fpathconf [2021-08-27 08:19:43,090 INFO L130 BoogieDeclarations]: Found specification of procedure sysconf [2021-08-27 08:19:43,091 INFO L130 BoogieDeclarations]: Found specification of procedure confstr [2021-08-27 08:19:43,091 INFO L130 BoogieDeclarations]: Found specification of procedure getpid [2021-08-27 08:19:43,091 INFO L130 BoogieDeclarations]: Found specification of procedure getppid [2021-08-27 08:19:43,091 INFO L130 BoogieDeclarations]: Found specification of procedure getpgrp [2021-08-27 08:19:43,091 INFO L130 BoogieDeclarations]: Found specification of procedure __getpgid [2021-08-27 08:19:43,091 INFO L130 BoogieDeclarations]: Found specification of procedure getpgid [2021-08-27 08:19:43,091 INFO L130 BoogieDeclarations]: Found specification of procedure setpgid [2021-08-27 08:19:43,092 INFO L130 BoogieDeclarations]: Found specification of procedure setpgrp [2021-08-27 08:19:43,092 INFO L130 BoogieDeclarations]: Found specification of procedure setsid [2021-08-27 08:19:43,092 INFO L130 BoogieDeclarations]: Found specification of procedure getsid [2021-08-27 08:19:43,092 INFO L130 BoogieDeclarations]: Found specification of procedure getuid [2021-08-27 08:19:43,092 INFO L130 BoogieDeclarations]: Found specification of procedure geteuid [2021-08-27 08:19:43,092 INFO L130 BoogieDeclarations]: Found specification of procedure getgid [2021-08-27 08:19:43,092 INFO L130 BoogieDeclarations]: Found specification of procedure getegid [2021-08-27 08:19:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure getgroups [2021-08-27 08:19:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure setuid [2021-08-27 08:19:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure setreuid [2021-08-27 08:19:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure seteuid [2021-08-27 08:19:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure setgid [2021-08-27 08:19:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure setregid [2021-08-27 08:19:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure setegid [2021-08-27 08:19:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure fork [2021-08-27 08:19:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure vfork [2021-08-27 08:19:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure ttyname [2021-08-27 08:19:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure ttyname_r [2021-08-27 08:19:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure isatty [2021-08-27 08:19:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure ttyslot [2021-08-27 08:19:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure link [2021-08-27 08:19:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure linkat [2021-08-27 08:19:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure symlink [2021-08-27 08:19:43,095 INFO L130 BoogieDeclarations]: Found specification of procedure readlink [2021-08-27 08:19:43,095 INFO L130 BoogieDeclarations]: Found specification of procedure symlinkat [2021-08-27 08:19:43,095 INFO L130 BoogieDeclarations]: Found specification of procedure readlinkat [2021-08-27 08:19:43,095 INFO L130 BoogieDeclarations]: Found specification of procedure unlink [2021-08-27 08:19:43,095 INFO L130 BoogieDeclarations]: Found specification of procedure unlinkat [2021-08-27 08:19:43,095 INFO L130 BoogieDeclarations]: Found specification of procedure rmdir [2021-08-27 08:19:43,095 INFO L130 BoogieDeclarations]: Found specification of procedure tcgetpgrp [2021-08-27 08:19:43,096 INFO L130 BoogieDeclarations]: Found specification of procedure tcsetpgrp [2021-08-27 08:19:43,096 INFO L130 BoogieDeclarations]: Found specification of procedure getlogin [2021-08-27 08:19:43,096 INFO L130 BoogieDeclarations]: Found specification of procedure getlogin_r [2021-08-27 08:19:43,096 INFO L130 BoogieDeclarations]: Found specification of procedure setlogin [2021-08-27 08:19:43,096 INFO L130 BoogieDeclarations]: Found specification of procedure gethostname [2021-08-27 08:19:43,096 INFO L130 BoogieDeclarations]: Found specification of procedure sethostname [2021-08-27 08:19:43,096 INFO L130 BoogieDeclarations]: Found specification of procedure sethostid [2021-08-27 08:19:43,096 INFO L130 BoogieDeclarations]: Found specification of procedure getdomainname [2021-08-27 08:19:43,097 INFO L130 BoogieDeclarations]: Found specification of procedure setdomainname [2021-08-27 08:19:43,097 INFO L130 BoogieDeclarations]: Found specification of procedure vhangup [2021-08-27 08:19:43,097 INFO L130 BoogieDeclarations]: Found specification of procedure revoke [2021-08-27 08:19:43,097 INFO L130 BoogieDeclarations]: Found specification of procedure profil [2021-08-27 08:19:43,097 INFO L130 BoogieDeclarations]: Found specification of procedure acct [2021-08-27 08:19:43,097 INFO L130 BoogieDeclarations]: Found specification of procedure getusershell [2021-08-27 08:19:43,097 INFO L130 BoogieDeclarations]: Found specification of procedure endusershell [2021-08-27 08:19:43,098 INFO L130 BoogieDeclarations]: Found specification of procedure setusershell [2021-08-27 08:19:43,098 INFO L130 BoogieDeclarations]: Found specification of procedure daemon [2021-08-27 08:19:43,098 INFO L130 BoogieDeclarations]: Found specification of procedure chroot [2021-08-27 08:19:43,098 INFO L130 BoogieDeclarations]: Found specification of procedure getpass [2021-08-27 08:19:43,098 INFO L130 BoogieDeclarations]: Found specification of procedure fsync [2021-08-27 08:19:43,098 INFO L130 BoogieDeclarations]: Found specification of procedure gethostid [2021-08-27 08:19:43,098 INFO L130 BoogieDeclarations]: Found specification of procedure sync [2021-08-27 08:19:43,099 INFO L130 BoogieDeclarations]: Found specification of procedure getpagesize [2021-08-27 08:19:43,099 INFO L130 BoogieDeclarations]: Found specification of procedure getdtablesize [2021-08-27 08:19:43,099 INFO L130 BoogieDeclarations]: Found specification of procedure truncate [2021-08-27 08:19:43,099 INFO L130 BoogieDeclarations]: Found specification of procedure ftruncate [2021-08-27 08:19:43,099 INFO L130 BoogieDeclarations]: Found specification of procedure brk [2021-08-27 08:19:43,099 INFO L130 BoogieDeclarations]: Found specification of procedure sbrk [2021-08-27 08:19:43,099 INFO L130 BoogieDeclarations]: Found specification of procedure syscall [2021-08-27 08:19:43,099 INFO L130 BoogieDeclarations]: Found specification of procedure lockf [2021-08-27 08:19:43,100 INFO L130 BoogieDeclarations]: Found specification of procedure fdatasync [2021-08-27 08:19:43,100 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2021-08-27 08:19:43,100 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2021-08-27 08:19:43,100 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2021-08-27 08:19:43,100 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2021-08-27 08:19:43,100 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2021-08-27 08:19:43,100 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2021-08-27 08:19:43,101 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2021-08-27 08:19:43,101 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2021-08-27 08:19:43,101 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2021-08-27 08:19:43,101 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2021-08-27 08:19:43,101 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2021-08-27 08:19:43,101 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2021-08-27 08:19:43,101 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2021-08-27 08:19:43,101 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2021-08-27 08:19:43,102 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2021-08-27 08:19:43,102 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2021-08-27 08:19:43,102 INFO L130 BoogieDeclarations]: Found specification of procedure select [2021-08-27 08:19:43,102 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2021-08-27 08:19:43,102 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2021-08-27 08:19:43,102 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2021-08-27 08:19:43,102 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2021-08-27 08:19:43,103 INFO L130 BoogieDeclarations]: Found specification of procedure random [2021-08-27 08:19:43,103 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2021-08-27 08:19:43,106 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2021-08-27 08:19:43,106 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2021-08-27 08:19:43,106 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2021-08-27 08:19:43,106 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2021-08-27 08:19:43,107 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2021-08-27 08:19:43,107 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2021-08-27 08:19:43,107 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2021-08-27 08:19:43,107 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2021-08-27 08:19:43,107 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2021-08-27 08:19:43,108 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2021-08-27 08:19:43,108 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2021-08-27 08:19:43,108 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2021-08-27 08:19:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2021-08-27 08:19:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2021-08-27 08:19:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2021-08-27 08:19:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2021-08-27 08:19:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2021-08-27 08:19:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2021-08-27 08:19:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2021-08-27 08:19:43,110 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2021-08-27 08:19:43,110 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2021-08-27 08:19:43,110 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2021-08-27 08:19:43,110 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2021-08-27 08:19:43,110 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2021-08-27 08:19:43,110 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2021-08-27 08:19:43,110 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2021-08-27 08:19:43,110 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2021-08-27 08:19:43,111 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-08-27 08:19:43,111 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-08-27 08:19:43,111 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2021-08-27 08:19:43,111 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-08-27 08:19:43,111 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2021-08-27 08:19:43,111 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2021-08-27 08:19:43,111 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2021-08-27 08:19:43,111 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2021-08-27 08:19:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2021-08-27 08:19:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2021-08-27 08:19:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-08-27 08:19:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2021-08-27 08:19:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2021-08-27 08:19:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2021-08-27 08:19:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2021-08-27 08:19:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2021-08-27 08:19:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2021-08-27 08:19:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2021-08-27 08:19:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2021-08-27 08:19:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2021-08-27 08:19:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2021-08-27 08:19:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure system [2021-08-27 08:19:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2021-08-27 08:19:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2021-08-27 08:19:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2021-08-27 08:19:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2021-08-27 08:19:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2021-08-27 08:19:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2021-08-27 08:19:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure div [2021-08-27 08:19:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2021-08-27 08:19:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2021-08-27 08:19:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2021-08-27 08:19:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2021-08-27 08:19:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2021-08-27 08:19:43,114 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2021-08-27 08:19:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2021-08-27 08:19:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2021-08-27 08:19:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2021-08-27 08:19:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2021-08-27 08:19:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2021-08-27 08:19:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2021-08-27 08:19:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2021-08-27 08:19:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2021-08-27 08:19:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2021-08-27 08:19:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2021-08-27 08:19:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2021-08-27 08:19:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2021-08-27 08:19:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2021-08-27 08:19:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2021-08-27 08:19:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure gettimeofday [2021-08-27 08:19:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure settimeofday [2021-08-27 08:19:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure adjtime [2021-08-27 08:19:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure getitimer [2021-08-27 08:19:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure setitimer [2021-08-27 08:19:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure utimes [2021-08-27 08:19:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure lutimes [2021-08-27 08:19:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure futimes [2021-08-27 08:19:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure login_tty [2021-08-27 08:19:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure login [2021-08-27 08:19:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure logout [2021-08-27 08:19:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure logwtmp [2021-08-27 08:19:43,117 INFO L130 BoogieDeclarations]: Found specification of procedure updwtmp [2021-08-27 08:19:43,118 INFO L130 BoogieDeclarations]: Found specification of procedure utmpname [2021-08-27 08:19:43,118 INFO L130 BoogieDeclarations]: Found specification of procedure getutent [2021-08-27 08:19:43,118 INFO L130 BoogieDeclarations]: Found specification of procedure setutent [2021-08-27 08:19:43,118 INFO L130 BoogieDeclarations]: Found specification of procedure endutent [2021-08-27 08:19:43,118 INFO L130 BoogieDeclarations]: Found specification of procedure getutid [2021-08-27 08:19:43,118 INFO L130 BoogieDeclarations]: Found specification of procedure getutline [2021-08-27 08:19:43,118 INFO L130 BoogieDeclarations]: Found specification of procedure pututline [2021-08-27 08:19:43,118 INFO L130 BoogieDeclarations]: Found specification of procedure getutent_r [2021-08-27 08:19:43,118 INFO L130 BoogieDeclarations]: Found specification of procedure getutid_r [2021-08-27 08:19:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure getutline_r [2021-08-27 08:19:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure bb_get_last_path_component_nostrip [2021-08-27 08:19:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure bb_get_last_path_component_strip [2021-08-27 08:19:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure bb_show_usage [2021-08-27 08:19:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure full_write [2021-08-27 08:19:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure last_char_is [2021-08-27 08:19:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure safe_write [2021-08-27 08:19:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure syslog [2021-08-27 08:19:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure __main [2021-08-27 08:19:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-08-27 08:19:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-08-27 08:19:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-08-27 08:19:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-08-27 08:19:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-08-27 08:19:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-08-27 08:19:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure vasprintf [2021-08-27 08:19:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-27 08:19:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-08-27 08:19:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-08-27 08:19:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-27 08:19:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-08-27 08:19:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-08-27 08:19:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-08-27 08:19:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 08:19:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2021-08-27 08:19:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-08-27 08:19:45,030 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 08:19:45,033 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-08-27 08:19:45,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 08:19:45 BoogieIcfgContainer [2021-08-27 08:19:45,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 08:19:45,038 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-27 08:19:45,038 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-27 08:19:45,041 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-27 08:19:45,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 08:19:41" (1/3) ... [2021-08-27 08:19:45,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d1ea5b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 08:19:45, skipping insertion in model container [2021-08-27 08:19:45,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 08:19:42" (2/3) ... [2021-08-27 08:19:45,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d1ea5b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 08:19:45, skipping insertion in model container [2021-08-27 08:19:45,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 08:19:45" (3/3) ... [2021-08-27 08:19:45,049 INFO L111 eAbstractionObserver]: Analyzing ICFG basename-2.i [2021-08-27 08:19:45,054 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-27 08:19:45,054 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 138 error locations. [2021-08-27 08:19:45,101 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-27 08:19:45,109 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-27 08:19:45,109 INFO L340 AbstractCegarLoop]: Starting to check reachability of 138 error locations. [2021-08-27 08:19:45,142 INFO L276 IsEmpty]: Start isEmpty. Operand has 310 states, 182 states have (on average 1.8296703296703296) internal successors, (333), 283 states have internal predecessors, (333), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-08-27 08:19:45,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-08-27 08:19:45,149 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 08:19:45,149 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 08:19:45,150 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0REQUIRES_VIOLATION === [__mainErr0REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 134 more)] === [2021-08-27 08:19:45,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 08:19:45,155 INFO L82 PathProgramCache]: Analyzing trace with hash 2061788052, now seen corresponding path program 1 times [2021-08-27 08:19:45,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 08:19:45,168 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [941290372] [2021-08-27 08:19:45,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 08:19:45,169 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 08:19:45,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 08:19:45,174 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 08:19:45,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-08-27 08:19:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 08:19:45,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-27 08:19:45,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 08:19:45,727 INFO L388 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 [2021-08-27 08:19:45,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 08:19:45,746 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 08:19:45,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 08:19:45,791 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 08:19:45,791 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [941290372] [2021-08-27 08:19:45,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [941290372] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 08:19:45,791 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 08:19:45,792 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-08-27 08:19:45,793 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715472263] [2021-08-27 08:19:45,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-27 08:19:45,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 08:19:45,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-27 08:19:45,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 08:19:45,832 INFO L87 Difference]: Start difference. First operand has 310 states, 182 states have (on average 1.8296703296703296) internal successors, (333), 283 states have internal predecessors, (333), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-08-27 08:19:46,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 08:19:46,233 INFO L93 Difference]: Finished difference Result 289 states and 325 transitions. [2021-08-27 08:19:46,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 08:19:46,234 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 7 [2021-08-27 08:19:46,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 08:19:46,243 INFO L225 Difference]: With dead ends: 289 [2021-08-27 08:19:46,243 INFO L226 Difference]: Without dead ends: 286 [2021-08-27 08:19:46,244 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-27 08:19:46,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2021-08-27 08:19:46,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 270. [2021-08-27 08:19:46,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 158 states have (on average 1.7974683544303798) internal successors, (284), 249 states have internal predecessors, (284), 11 states have call successors, (11), 10 states have call predecessors, (11), 9 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2021-08-27 08:19:46,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 305 transitions. [2021-08-27 08:19:46,288 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 305 transitions. Word has length 7 [2021-08-27 08:19:46,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 08:19:46,289 INFO L470 AbstractCegarLoop]: Abstraction has 270 states and 305 transitions. [2021-08-27 08:19:46,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-08-27 08:19:46,289 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 305 transitions. [2021-08-27 08:19:46,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-08-27 08:19:46,290 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 08:19:46,290 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-27 08:19:46,307 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-08-27 08:19:46,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 08:19:46,503 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr1REQUIRES_VIOLATION === [__mainErr0REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 134 more)] === [2021-08-27 08:19:46,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 08:19:46,503 INFO L82 PathProgramCache]: Analyzing trace with hash 2061788053, now seen corresponding path program 1 times [2021-08-27 08:19:46,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 08:19:46,504 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [122900496] [2021-08-27 08:19:46,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 08:19:46,504 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 08:19:46,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 08:19:46,506 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 08:19:46,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-08-27 08:19:46,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 08:19:46,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-27 08:19:46,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 08:19:46,946 INFO L388 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 [2021-08-27 08:19:46,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 08:19:46,957 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 08:19:47,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 08:19:47,025 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 08:19:47,025 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [122900496] [2021-08-27 08:19:47,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [122900496] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 08:19:47,025 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 08:19:47,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-08-27 08:19:47,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934730320] [2021-08-27 08:19:47,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-27 08:19:47,027 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 08:19:47,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-27 08:19:47,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-27 08:19:47,028 INFO L87 Difference]: Start difference. First operand 270 states and 305 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-08-27 08:19:47,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 08:19:47,721 INFO L93 Difference]: Finished difference Result 269 states and 304 transitions. [2021-08-27 08:19:47,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-27 08:19:47,723 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 7 [2021-08-27 08:19:47,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 08:19:47,724 INFO L225 Difference]: With dead ends: 269 [2021-08-27 08:19:47,724 INFO L226 Difference]: Without dead ends: 269 [2021-08-27 08:19:47,725 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 27.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-27 08:19:47,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2021-08-27 08:19:47,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 269. [2021-08-27 08:19:47,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 158 states have (on average 1.7911392405063291) internal successors, (283), 248 states have internal predecessors, (283), 11 states have call successors, (11), 10 states have call predecessors, (11), 9 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2021-08-27 08:19:47,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 304 transitions. [2021-08-27 08:19:47,737 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 304 transitions. Word has length 7 [2021-08-27 08:19:47,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 08:19:47,737 INFO L470 AbstractCegarLoop]: Abstraction has 269 states and 304 transitions. [2021-08-27 08:19:47,738 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-08-27 08:19:47,738 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 304 transitions. [2021-08-27 08:19:47,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-08-27 08:19:47,738 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 08:19:47,738 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 08:19:47,752 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-08-27 08:19:47,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 08:19:47,945 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr3REQUIRES_VIOLATION === [__mainErr0REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 134 more)] === [2021-08-27 08:19:47,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 08:19:47,946 INFO L82 PathProgramCache]: Analyzing trace with hash 401088549, now seen corresponding path program 1 times [2021-08-27 08:19:47,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 08:19:47,947 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [978657394] [2021-08-27 08:19:47,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 08:19:47,947 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 08:19:47,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 08:19:47,949 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 08:19:47,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-08-27 08:19:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 08:19:48,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-27 08:19:48,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 08:19:48,385 INFO L388 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 [2021-08-27 08:19:48,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 08:19:48,465 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 08:19:48,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 08:19:48,678 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 08:19:48,678 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [978657394] [2021-08-27 08:19:48,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [978657394] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-27 08:19:48,679 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-27 08:19:48,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-08-27 08:19:48,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655400928] [2021-08-27 08:19:48,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-27 08:19:48,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 08:19:48,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-27 08:19:48,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-08-27 08:19:48,680 INFO L87 Difference]: Start difference. First operand 269 states and 304 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-08-27 08:19:49,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 08:19:49,766 INFO L93 Difference]: Finished difference Result 282 states and 319 transitions. [2021-08-27 08:19:49,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-27 08:19:49,767 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2021-08-27 08:19:49,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 08:19:49,769 INFO L225 Difference]: With dead ends: 282 [2021-08-27 08:19:49,769 INFO L226 Difference]: Without dead ends: 282 [2021-08-27 08:19:49,769 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 124.5ms TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-08-27 08:19:49,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2021-08-27 08:19:49,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 275. [2021-08-27 08:19:49,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 164 states have (on average 1.7682926829268293) internal successors, (290), 254 states have internal predecessors, (290), 11 states have call successors, (11), 10 states have call predecessors, (11), 9 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2021-08-27 08:19:49,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 311 transitions. [2021-08-27 08:19:49,781 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 311 transitions. Word has length 10 [2021-08-27 08:19:49,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 08:19:49,781 INFO L470 AbstractCegarLoop]: Abstraction has 275 states and 311 transitions. [2021-08-27 08:19:49,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-08-27 08:19:49,782 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 311 transitions. [2021-08-27 08:19:49,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-08-27 08:19:49,782 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 08:19:49,782 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 08:19:49,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-08-27 08:19:49,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 08:19:49,996 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting mainErr4REQUIRES_VIOLATION === [__mainErr0REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 134 more)] === [2021-08-27 08:19:49,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 08:19:49,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1866968392, now seen corresponding path program 1 times [2021-08-27 08:19:49,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 08:19:49,997 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1331813985] [2021-08-27 08:19:49,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 08:19:49,997 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 08:19:49,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 08:19:49,999 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 08:19:50,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-08-27 08:19:50,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 08:19:50,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-27 08:19:50,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 08:19:50,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 08:19:50,432 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 08:19:50,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 08:19:50,515 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 08:19:50,515 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1331813985] [2021-08-27 08:19:50,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1331813985] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-27 08:19:50,516 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 08:19:50,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-08-27 08:19:50,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681225050] [2021-08-27 08:19:50,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-27 08:19:50,517 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 08:19:50,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-27 08:19:50,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-08-27 08:19:50,518 INFO L87 Difference]: Start difference. First operand 275 states and 311 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-08-27 08:19:50,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 08:19:50,591 INFO L93 Difference]: Finished difference Result 283 states and 318 transitions. [2021-08-27 08:19:50,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-27 08:19:50,592 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2021-08-27 08:19:50,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 08:19:50,593 INFO L225 Difference]: With dead ends: 283 [2021-08-27 08:19:50,593 INFO L226 Difference]: Without dead ends: 283 [2021-08-27 08:19:50,594 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 31.1ms TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-08-27 08:19:50,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2021-08-27 08:19:50,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 282. [2021-08-27 08:19:50,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 171 states have (on average 1.736842105263158) internal successors, (297), 261 states have internal predecessors, (297), 11 states have call successors, (11), 10 states have call predecessors, (11), 9 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2021-08-27 08:19:50,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 318 transitions. [2021-08-27 08:19:50,612 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 318 transitions. Word has length 15 [2021-08-27 08:19:50,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 08:19:50,612 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 318 transitions. [2021-08-27 08:19:50,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-08-27 08:19:50,612 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 318 transitions. [2021-08-27 08:19:50,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-08-27 08:19:50,613 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 08:19:50,613 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 08:19:50,629 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-08-27 08:19:50,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 08:19:50,813 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr3REQUIRES_VIOLATION === [__mainErr0REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 134 more)] === [2021-08-27 08:19:50,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 08:19:50,814 INFO L82 PathProgramCache]: Analyzing trace with hash 1020400171, now seen corresponding path program 1 times [2021-08-27 08:19:50,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 08:19:50,815 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1353649174] [2021-08-27 08:19:50,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 08:19:50,815 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 08:19:50,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 08:19:50,816 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 08:19:50,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-08-27 08:19:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 08:19:51,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-27 08:19:51,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 08:19:51,230 INFO L388 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 [2021-08-27 08:19:51,485 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 08:19:51,486 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-27 08:19:52,108 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 08:19:52,108 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 08:19:52,109 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1353649174] [2021-08-27 08:19:52,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1353649174] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-27 08:19:52,109 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-27 08:19:52,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-08-27 08:19:52,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204221069] [2021-08-27 08:19:52,110 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-27 08:19:52,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-27 08:19:52,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-27 08:19:52,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-08-27 08:19:52,111 INFO L87 Difference]: Start difference. First operand 282 states and 318 transitions. Second operand has 10 states, 9 states have (on average 3.111111111111111) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-08-27 08:19:54,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 08:19:54,841 INFO L93 Difference]: Finished difference Result 285 states and 320 transitions. [2021-08-27 08:19:54,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-08-27 08:19:54,843 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.111111111111111) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2021-08-27 08:19:54,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 08:19:54,845 INFO L225 Difference]: With dead ends: 285 [2021-08-27 08:19:54,845 INFO L226 Difference]: Without dead ends: 285 [2021-08-27 08:19:54,845 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 493.8ms TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2021-08-27 08:19:54,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2021-08-27 08:19:54,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2021-08-27 08:19:54,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 175 states have (on average 1.7085714285714286) internal successors, (299), 264 states have internal predecessors, (299), 11 states have call successors, (11), 10 states have call predecessors, (11), 9 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2021-08-27 08:19:54,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 320 transitions. [2021-08-27 08:19:54,851 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 320 transitions. Word has length 18 [2021-08-27 08:19:54,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 08:19:54,851 INFO L470 AbstractCegarLoop]: Abstraction has 285 states and 320 transitions. [2021-08-27 08:19:54,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.111111111111111) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-08-27 08:19:54,851 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 320 transitions. [2021-08-27 08:19:54,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-08-27 08:19:54,852 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 08:19:54,852 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-27 08:19:54,872 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-08-27 08:19:55,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 08:19:55,069 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr4REQUIRES_VIOLATION === [__mainErr0REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE (and 134 more)] === [2021-08-27 08:19:55,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 08:19:55,069 INFO L82 PathProgramCache]: Analyzing trace with hash -436945876, now seen corresponding path program 2 times [2021-08-27 08:19:55,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-27 08:19:55,070 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [902577394] [2021-08-27 08:19:55,070 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-27 08:19:55,071 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-27 08:19:55,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-27 08:19:55,072 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-27 08:19:55,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-08-27 08:19:55,502 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-08-27 08:19:55,502 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-27 08:19:55,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-27 08:19:55,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 08:19:56,497 INFO L354 Elim1Store]: treesize reduction 1467, result has 7.4 percent of original size [2021-08-27 08:19:56,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 11 case distinctions, treesize of input 7571 treesize of output 7398 [2021-08-27 08:20:42,161 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2021-08-27 08:20:42,162 WARN L224 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2021-08-27 08:20:42,163 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-27 08:20:42,163 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [902577394] [2021-08-27 08:20:42,164 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") [2021-08-27 08:20:42,164 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1375715884] [2021-08-27 08:20:42,164 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-27 08:20:42,164 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-08-27 08:20:42,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2021-08-27 08:20:42,165 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-08-27 08:20:42,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-08-27 08:20:43,170 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-08-27 08:20:43,170 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-27 08:20:43,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 9 conjunts are in the unsatisfiable core [2021-08-27 08:20:43,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 08:20:43,178 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken [2021-08-27 08:20:43,179 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098298498] [2021-08-27 08:20:43,179 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-27 08:20:43,179 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-27 08:20:43,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 08:20:43,180 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-27 08:20:43,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-08-27 08:20:43,617 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-08-27 08:20:43,617 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-27 08:20:43,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-27 08:20:43,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-27 08:20:43,625 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken [2021-08-27 08:20:43,626 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-08-27 08:20:43,626 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-08-27 08:20:43,626 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2021-08-27 08:20:43,626 INFO L626 BasicCegarLoop]: Counterexample might be feasible [2021-08-27 08:20:43,630 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr4REQUIRES_VIOLATION [2021-08-27 08:20:43,632 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr0REQUIRES_VIOLATION [2021-08-27 08:20:43,632 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr1REQUIRES_VIOLATION [2021-08-27 08:20:43,632 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-08-27 08:20:43,633 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-08-27 08:20:43,633 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr4REQUIRES_VIOLATION [2021-08-27 08:20:43,633 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr5REQUIRES_VIOLATION [2021-08-27 08:20:43,633 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr6REQUIRES_VIOLATION [2021-08-27 08:20:43,633 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr7REQUIRES_VIOLATION [2021-08-27 08:20:43,633 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr8REQUIRES_VIOLATION [2021-08-27 08:20:43,634 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr9REQUIRES_VIOLATION [2021-08-27 08:20:43,634 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr10REQUIRES_VIOLATION [2021-08-27 08:20:43,634 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr11REQUIRES_VIOLATION [2021-08-27 08:20:43,634 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr12REQUIRES_VIOLATION [2021-08-27 08:20:43,634 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr13REQUIRES_VIOLATION [2021-08-27 08:20:43,634 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr14REQUIRES_VIOLATION [2021-08-27 08:20:43,634 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr15REQUIRES_VIOLATION [2021-08-27 08:20:43,635 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr16REQUIRES_VIOLATION [2021-08-27 08:20:43,635 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr17REQUIRES_VIOLATION [2021-08-27 08:20:43,635 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr18ASSERT_VIOLATIONMEMORY_LEAK [2021-08-27 08:20:43,635 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr19REQUIRES_VIOLATION [2021-08-27 08:20:43,635 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr20REQUIRES_VIOLATION [2021-08-27 08:20:43,635 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-08-27 08:20:43,636 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-08-27 08:20:43,636 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-08-27 08:20:43,636 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-08-27 08:20:43,636 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr25REQUIRES_VIOLATION [2021-08-27 08:20:43,636 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr26REQUIRES_VIOLATION [2021-08-27 08:20:43,636 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-08-27 08:20:43,637 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-08-27 08:20:43,637 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr29REQUIRES_VIOLATION [2021-08-27 08:20:43,637 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr30REQUIRES_VIOLATION [2021-08-27 08:20:43,637 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr31REQUIRES_VIOLATION [2021-08-27 08:20:43,637 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr32REQUIRES_VIOLATION [2021-08-27 08:20:43,637 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-08-27 08:20:43,638 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-08-27 08:20:43,638 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-08-27 08:20:43,638 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-08-27 08:20:43,638 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr37REQUIRES_VIOLATION [2021-08-27 08:20:43,638 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr38REQUIRES_VIOLATION [2021-08-27 08:20:43,638 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-08-27 08:20:43,639 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-08-27 08:20:43,639 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr41REQUIRES_VIOLATION [2021-08-27 08:20:43,639 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location __mainErr42REQUIRES_VIOLATION [2021-08-27 08:20:43,639 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr0REQUIRES_VIOLATION [2021-08-27 08:20:43,639 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr1REQUIRES_VIOLATION [2021-08-27 08:20:43,639 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr2REQUIRES_VIOLATION [2021-08-27 08:20:43,640 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr3REQUIRES_VIOLATION [2021-08-27 08:20:43,640 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-08-27 08:20:43,640 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-08-27 08:20:43,640 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr6REQUIRES_VIOLATION [2021-08-27 08:20:43,640 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr7REQUIRES_VIOLATION [2021-08-27 08:20:43,640 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr8REQUIRES_VIOLATION [2021-08-27 08:20:43,641 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr9REQUIRES_VIOLATION [2021-08-27 08:20:43,641 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr10REQUIRES_VIOLATION [2021-08-27 08:20:43,641 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr11REQUIRES_VIOLATION [2021-08-27 08:20:43,641 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr12REQUIRES_VIOLATION [2021-08-27 08:20:43,641 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getoptErr13REQUIRES_VIOLATION [2021-08-27 08:20:43,641 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location last_char_isErr0REQUIRES_VIOLATION [2021-08-27 08:20:43,641 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location last_char_isErr1REQUIRES_VIOLATION [2021-08-27 08:20:43,642 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-08-27 08:20:43,642 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE [2021-08-27 08:20:43,642 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location last_char_isErr4REQUIRES_VIOLATION [2021-08-27 08:20:43,642 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location last_char_isErr5REQUIRES_VIOLATION [2021-08-27 08:20:43,642 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr0REQUIRES_VIOLATION [2021-08-27 08:20:43,642 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr1REQUIRES_VIOLATION [2021-08-27 08:20:43,643 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr2REQUIRES_VIOLATION [2021-08-27 08:20:43,643 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr3REQUIRES_VIOLATION [2021-08-27 08:20:43,643 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr4REQUIRES_VIOLATION [2021-08-27 08:20:43,643 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr5REQUIRES_VIOLATION [2021-08-27 08:20:43,643 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr6REQUIRES_VIOLATION [2021-08-27 08:20:43,643 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr7REQUIRES_VIOLATION [2021-08-27 08:20:43,644 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr8REQUIRES_VIOLATION [2021-08-27 08:20:43,644 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr9REQUIRES_VIOLATION [2021-08-27 08:20:43,644 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr10REQUIRES_VIOLATION [2021-08-27 08:20:43,644 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr11REQUIRES_VIOLATION [2021-08-27 08:20:43,644 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location safe_writeErr0REQUIRES_VIOLATION [2021-08-27 08:20:43,644 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location safe_writeErr1REQUIRES_VIOLATION [2021-08-27 08:20:43,644 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION [2021-08-27 08:20:43,645 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION [2021-08-27 08:20:43,645 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location bb_get_last_path_component_stripErr0REQUIRES_VIOLATION [2021-08-27 08:20:43,645 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location bb_get_last_path_component_stripErr1REQUIRES_VIOLATION [2021-08-27 08:20:43,645 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location bb_get_last_path_component_stripErr2REQUIRES_VIOLATION [2021-08-27 08:20:43,645 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location bb_get_last_path_component_stripErr3REQUIRES_VIOLATION [2021-08-27 08:20:43,645 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr0REQUIRES_VIOLATION [2021-08-27 08:20:43,646 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr1REQUIRES_VIOLATION [2021-08-27 08:20:43,646 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr2REQUIRES_VIOLATION [2021-08-27 08:20:43,646 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr3REQUIRES_VIOLATION [2021-08-27 08:20:43,646 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr4REQUIRES_VIOLATION [2021-08-27 08:20:43,646 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr5REQUIRES_VIOLATION [2021-08-27 08:20:43,646 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr6REQUIRES_VIOLATION [2021-08-27 08:20:43,646 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getutentErr7REQUIRES_VIOLATION [2021-08-27 08:20:43,647 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr0REQUIRES_VIOLATION [2021-08-27 08:20:43,647 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr1REQUIRES_VIOLATION [2021-08-27 08:20:43,647 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr2REQUIRES_VIOLATION [2021-08-27 08:20:43,647 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr3REQUIRES_VIOLATION [2021-08-27 08:20:43,647 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr4REQUIRES_VIOLATION [2021-08-27 08:20:43,647 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr5REQUIRES_VIOLATION [2021-08-27 08:20:43,648 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr6REQUIRES_VIOLATION [2021-08-27 08:20:43,648 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location getopt_longErr7REQUIRES_VIOLATION [2021-08-27 08:20:43,648 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr0REQUIRES_VIOLATION [2021-08-27 08:20:43,648 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr1REQUIRES_VIOLATION [2021-08-27 08:20:43,648 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr2REQUIRES_VIOLATION [2021-08-27 08:20:43,648 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr3REQUIRES_VIOLATION [2021-08-27 08:20:43,649 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr5REQUIRES_VIOLATION [2021-08-27 08:20:43,649 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr6REQUIRES_VIOLATION [2021-08-27 08:20:43,649 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr7REQUIRES_VIOLATION [2021-08-27 08:20:43,649 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr8REQUIRES_VIOLATION [2021-08-27 08:20:43,649 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr9REQUIRES_VIOLATION [2021-08-27 08:20:43,649 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr10REQUIRES_VIOLATION [2021-08-27 08:20:43,649 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr11REQUIRES_VIOLATION [2021-08-27 08:20:43,650 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr12REQUIRES_VIOLATION [2021-08-27 08:20:43,650 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr13REQUIRES_VIOLATION [2021-08-27 08:20:43,650 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr14REQUIRES_VIOLATION [2021-08-27 08:20:43,650 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr15REQUIRES_VIOLATION [2021-08-27 08:20:43,650 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr16REQUIRES_VIOLATION [2021-08-27 08:20:43,650 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr17REQUIRES_VIOLATION [2021-08-27 08:20:43,651 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr18REQUIRES_VIOLATION [2021-08-27 08:20:43,651 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr19REQUIRES_VIOLATION [2021-08-27 08:20:43,651 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr20REQUIRES_VIOLATION [2021-08-27 08:20:43,651 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr21REQUIRES_VIOLATION [2021-08-27 08:20:43,651 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr22REQUIRES_VIOLATION [2021-08-27 08:20:43,651 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr23REQUIRES_VIOLATION [2021-08-27 08:20:43,652 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr24ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 08:20:43,652 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr25ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 08:20:43,652 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr26ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 08:20:43,652 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr27ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 08:20:43,652 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr28ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 08:20:43,652 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr29ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 08:20:43,653 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr30ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 08:20:43,653 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr31ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 08:20:43,653 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr32ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 08:20:43,653 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr33ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 08:20:43,653 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr34ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 08:20:43,653 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr35ASSERT_VIOLATIONMEMORY_FREE [2021-08-27 08:20:43,654 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location mainErr36ENSURES_VIOLATIONMEMORY_LEAK [2021-08-27 08:20:43,654 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readErr0REQUIRES_VIOLATION [2021-08-27 08:20:43,654 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location readErr1REQUIRES_VIOLATION [2021-08-27 08:20:43,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-08-27 08:20:43,879 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-08-27 08:20:44,079 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-08-27 08:20:44,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-27 08:20:44,274 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-27 08:20:44,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 08:20:44 BoogieIcfgContainer [2021-08-27 08:20:44,283 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-27 08:20:44,287 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 08:20:44,287 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 08:20:44,288 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 08:20:44,288 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 08:19:45" (3/4) ... [2021-08-27 08:20:44,292 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-27 08:20:44,293 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 08:20:44,294 INFO L168 Benchmark]: Toolchain (without parser) took 62328.70 ms. Allocated memory was 52.4 MB in the beginning and 270.5 MB in the end (delta: 218.1 MB). Free memory was 26.0 MB in the beginning and 153.9 MB in the end (delta: -128.0 MB). Peak memory consumption was 90.4 MB. Max. memory is 16.1 GB. [2021-08-27 08:20:44,294 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 52.4 MB. Free memory was 33.9 MB in the beginning and 33.9 MB in the end (delta: 71.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 08:20:44,295 INFO L168 Benchmark]: CACSL2BoogieTranslator took 849.52 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 25.7 MB in the beginning and 38.9 MB in the end (delta: -13.2 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. [2021-08-27 08:20:44,295 INFO L168 Benchmark]: Boogie Preprocessor took 131.69 ms. Allocated memory is still 62.9 MB. Free memory was 38.9 MB in the beginning and 26.1 MB in the end (delta: 12.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-08-27 08:20:44,295 INFO L168 Benchmark]: RCFGBuilder took 2085.32 ms. Allocated memory was 62.9 MB in the beginning and 92.3 MB in the end (delta: 29.4 MB). Free memory was 26.1 MB in the beginning and 36.0 MB in the end (delta: -9.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. [2021-08-27 08:20:44,296 INFO L168 Benchmark]: TraceAbstraction took 59245.17 ms. Allocated memory was 92.3 MB in the beginning and 270.5 MB in the end (delta: 178.3 MB). Free memory was 35.3 MB in the beginning and 155.0 MB in the end (delta: -119.7 MB). Peak memory consumption was 57.2 MB. Max. memory is 16.1 GB. [2021-08-27 08:20:44,296 INFO L168 Benchmark]: Witness Printer took 5.62 ms. Allocated memory is still 270.5 MB. Free memory was 155.0 MB in the beginning and 153.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 08:20:44,298 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 52.4 MB. Free memory was 33.9 MB in the beginning and 33.9 MB in the end (delta: 71.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 849.52 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 25.7 MB in the beginning and 38.9 MB in the end (delta: -13.2 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 131.69 ms. Allocated memory is still 62.9 MB. Free memory was 38.9 MB in the beginning and 26.1 MB in the end (delta: 12.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2085.32 ms. Allocated memory was 62.9 MB in the beginning and 92.3 MB in the end (delta: 29.4 MB). Free memory was 26.1 MB in the beginning and 36.0 MB in the end (delta: -9.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 59245.17 ms. Allocated memory was 92.3 MB in the beginning and 270.5 MB in the end (delta: 178.3 MB). Free memory was 35.3 MB in the beginning and 155.0 MB in the end (delta: -119.7 MB). Peak memory consumption was 57.2 MB. Max. memory is 16.1 GB. * Witness Printer took 5.62 ms. Allocated memory is still 270.5 MB. Free memory was 155.0 MB in the beginning and 153.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1599]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L1318] static const char *applet_name; [L1319] static signed int bb_errno_location; [L1320] static signed int * const bb_errno = &bb_errno_location; [L1512] static struct utmp dummy_utmp; [L1594] char *a = malloc(11); [L1595] a[10] = 0 [L1596] int i=0; [L1596] COND TRUE i<10 [L1597] a[i]=__VERIFIER_nondet_char() [L1596] ++i [L1596] COND TRUE i<10 [L1597] a[i]=__VERIFIER_nondet_char() [L1596] ++i [L1596] COND TRUE i<10 [L1597] a[i]=__VERIFIER_nondet_char() [L1596] ++i [L1596] COND TRUE i<10 [L1597] a[i]=__VERIFIER_nondet_char() [L1596] ++i [L1596] COND TRUE i<10 [L1597] a[i]=__VERIFIER_nondet_char() [L1596] ++i [L1596] COND FALSE !(i<10) [L1598] applet_name = a [L1599] bb_errno_location = __VERIFIER_nondet_int() - UnprovableResult [Line: 1334]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1334]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1342]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1342]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1354]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1354]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1356]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1356]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1356]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1356]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1361]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1361]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1361]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1361]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1366]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1366]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1366]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1366]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1371]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 1383]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1383]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1383]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1383]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1383]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1383]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1396]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1396]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1397]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1397]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1400]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1400]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1402]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1402]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1402]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1402]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1408]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1408]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1408]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1408]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1408]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1408]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1416]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1416]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1529]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1529]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1529]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1529]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1532]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1532]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1532]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1532]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1535]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1535]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1539]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1539]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1543]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1543]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1484]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1484]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1488]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1488]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1491]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1491]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1569]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1569]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1574]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1574]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1578]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1579]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1579]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1579]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1579]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1505]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1505]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1432]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1432]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1447]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1447]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1447]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1447]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1516]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1516]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1517]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1517]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1519]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1519]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1521]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1521]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1554]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1595]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1595]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1597]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1597]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1599]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1605]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1605]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1608]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1608]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1609]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1609]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1609]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1609]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1610]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1610]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1610]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1610]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1612]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1612]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1612]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1612]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1616]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1616]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1616]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1616]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1616]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1617]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1617]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1617]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1618]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1618]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1618]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1619]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1619]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1619]: Unable to prove that free always succeeds Unable to prove that free always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1592]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 1564]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1564]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 420 locations, 138 error locations. Started 1 CEGAR loops. OverallTime: 59173.5ms, OverallIterations: 6, TraceHistogramMax: 5, EmptinessCheckTime: 13.4ms, AutomataDifference: 5026.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 27.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1466 SDtfs, 184 SDslu, 2846 SDs, 0 SdLazy, 1070 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4052.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 689.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=310occurred in iteration=0, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 80.0ms AutomataMinimizationTime, 5 MinimizatonAttempts, 24 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 98.7ms SsaConstructionTime, 470.3ms SatisfiabilityAnalysisTime, 1660.3ms InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 586 SizeOfPredicates, 1 NumberOfNonLiveVariables, 934 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 0/18 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...