./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/basename-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/busybox-1.22.0/basename-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash da9897fd32fcc57d706d780139e02a6ffd7b0899 .......................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/busybox-1.22.0/basename-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash da9897fd32fcc57d706d780139e02a6ffd7b0899 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:20:15,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:20:15,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:20:15,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:20:15,142 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:20:15,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:20:15,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:20:15,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:20:15,163 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:20:15,165 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:20:15,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:20:15,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:20:15,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:20:15,173 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:20:15,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:20:15,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:20:15,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:20:15,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:20:15,187 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:20:15,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:20:15,198 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:20:15,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:20:15,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:20:15,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:20:15,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:20:15,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:20:15,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:20:15,205 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:20:15,205 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:20:15,206 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:20:15,206 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:20:15,207 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:20:15,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:20:15,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:20:15,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:20:15,210 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:20:15,210 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:20:15,211 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:20:15,211 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:20:15,212 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:20:15,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:20:15,213 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-10-20 06:20:15,235 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:20:15,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:20:15,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:20:15,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:20:15,237 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:20:15,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:20:15,238 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:20:15,238 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:20:15,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:20:15,238 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:20:15,239 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:20:15,239 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:20:15,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:20:15,239 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:20:15,240 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:20:15,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:20:15,240 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:20:15,240 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:20:15,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:20:15,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:20:15,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:20:15,241 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:20:15,242 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:20:15,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:20:15,242 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:20:15,242 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da9897fd32fcc57d706d780139e02a6ffd7b0899 [2020-10-20 06:20:15,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:20:15,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:20:15,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:20:15,462 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:20:15,463 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:20:15,464 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/basename-1.i [2020-10-20 06:20:15,538 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0470c1cc3/0575b658d25240549b76bfd726361add/FLAGe602a364f [2020-10-20 06:20:16,256 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:20:16,257 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/basename-1.i [2020-10-20 06:20:16,276 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0470c1cc3/0575b658d25240549b76bfd726361add/FLAGe602a364f [2020-10-20 06:20:16,451 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0470c1cc3/0575b658d25240549b76bfd726361add [2020-10-20 06:20:16,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:20:16,461 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:20:16,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:20:16,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:20:16,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:20:16,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:20:16" (1/1) ... [2020-10-20 06:20:16,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@732fd6f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:16, skipping insertion in model container [2020-10-20 06:20:16,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:20:16" (1/1) ... [2020-10-20 06:20:16,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:20:16,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:20:17,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:20:17,423 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2020-10-20 06:20:17,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4aad84d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:17, skipping insertion in model container [2020-10-20 06:20:17,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:20:17,425 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 06:20:17,428 INFO L168 Benchmark]: Toolchain (without parser) took 970.09 ms. Allocated memory was 41.4 MB in the beginning and 44.6 MB in the end (delta: 3.1 MB). Free memory was 16.1 MB in the beginning and 20.5 MB in the end (delta: -4.4 MB). Peak memory consumption was 7.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:20:17,430 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 30.4 MB. Free memory was 6.6 MB in the beginning and 6.5 MB in the end (delta: 43.6 kB). Peak memory consumption was 43.6 kB. Max. memory is 14.3 GB. [2020-10-20 06:20:17,432 INFO L168 Benchmark]: CACSL2BoogieTranslator took 961.91 ms. Allocated memory was 41.4 MB in the beginning and 44.6 MB in the end (delta: 3.1 MB). Free memory was 15.2 MB in the beginning and 20.7 MB in the end (delta: -5.5 MB). Peak memory consumption was 6.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:20:17,436 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 30.4 MB. Free memory was 6.6 MB in the beginning and 6.5 MB in the end (delta: 43.6 kB). Peak memory consumption was 43.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 961.91 ms. Allocated memory was 41.4 MB in the beginning and 44.6 MB in the end (delta: 3.1 MB). Free memory was 15.2 MB in the beginning and 20.7 MB in the end (delta: -5.5 MB). Peak memory consumption was 6.1 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1515]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:20:19,406 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:20:19,409 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:20:19,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:20:19,433 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:20:19,435 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:20:19,436 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:20:19,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:20:19,449 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:20:19,452 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:20:19,453 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:20:19,454 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:20:19,454 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:20:19,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:20:19,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:20:19,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:20:19,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:20:19,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:20:19,466 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:20:19,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:20:19,470 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:20:19,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:20:19,472 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:20:19,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:20:19,475 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:20:19,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:20:19,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:20:19,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:20:19,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:20:19,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:20:19,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:20:19,479 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:20:19,480 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:20:19,481 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:20:19,481 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:20:19,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:20:19,482 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:20:19,483 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:20:19,483 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:20:19,484 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:20:19,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:20:19,485 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2020-10-20 06:20:19,509 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:20:19,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:20:19,510 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:20:19,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:20:19,511 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:20:19,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:20:19,512 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:20:19,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:20:19,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:20:19,512 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:20:19,513 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:20:19,513 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:20:19,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:20:19,513 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:20:19,514 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 06:20:19,514 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 06:20:19,514 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:20:19,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:20:19,515 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:20:19,515 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:20:19,515 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:20:19,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:20:19,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:20:19,516 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:20:19,516 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 06:20:19,517 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 06:20:19,517 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:20:19,517 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 06:20:19,517 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da9897fd32fcc57d706d780139e02a6ffd7b0899 [2020-10-20 06:20:19,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:20:19,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:20:19,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:20:19,743 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:20:19,744 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:20:19,745 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/basename-1.i [2020-10-20 06:20:19,815 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24b64a733/90a89c323d0d4cfda04f4af899b5255d/FLAG9b170edc7 [2020-10-20 06:20:20,435 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:20:20,436 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/basename-1.i [2020-10-20 06:20:20,471 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24b64a733/90a89c323d0d4cfda04f4af899b5255d/FLAG9b170edc7 [2020-10-20 06:20:20,636 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24b64a733/90a89c323d0d4cfda04f4af899b5255d [2020-10-20 06:20:20,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:20:20,647 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:20:20,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:20:20,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:20:20,652 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:20:20,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:20:20" (1/1) ... [2020-10-20 06:20:20,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73a5af14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:20, skipping insertion in model container [2020-10-20 06:20:20,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:20:20" (1/1) ... [2020-10-20 06:20:20,664 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:20:20,808 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:20:21,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:20:21,485 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-10-20 06:20:21,500 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:20:21,610 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:20:21,626 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:20:21,726 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:20:22,053 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:20:22,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:22 WrapperNode [2020-10-20 06:20:22,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:20:22,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:20:22,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:20:22,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:20:22,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:22" (1/1) ... [2020-10-20 06:20:22,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:22" (1/1) ... [2020-10-20 06:20:22,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:22" (1/1) ... [2020-10-20 06:20:22,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:22" (1/1) ... [2020-10-20 06:20:22,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:22" (1/1) ... [2020-10-20 06:20:22,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:22" (1/1) ... [2020-10-20 06:20:22,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:22" (1/1) ... [2020-10-20 06:20:22,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:20:22,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:20:22,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:20:22,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:20:22,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:20:22,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-20 06:20:22,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:20:22,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2020-10-20 06:20:22,385 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-20 06:20:22,385 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-20 06:20:22,385 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-20 06:20:22,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-20 06:20:22,386 INFO L138 BoogieDeclarations]: Found implementation of procedure syslog [2020-10-20 06:20:22,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __main [2020-10-20 06:20:22,386 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_get_last_path_component_nostrip [2020-10-20 06:20:22,386 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_get_last_path_component_strip [2020-10-20 06:20:22,387 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_show_usage [2020-10-20 06:20:22,387 INFO L138 BoogieDeclarations]: Found implementation of procedure full_write [2020-10-20 06:20:22,387 INFO L138 BoogieDeclarations]: Found implementation of procedure last_char_is [2020-10-20 06:20:22,387 INFO L138 BoogieDeclarations]: Found implementation of procedure safe_write [2020-10-20 06:20:22,388 INFO L138 BoogieDeclarations]: Found implementation of procedure getutent [2020-10-20 06:20:22,388 INFO L138 BoogieDeclarations]: Found implementation of procedure getopt [2020-10-20 06:20:22,388 INFO L138 BoogieDeclarations]: Found implementation of procedure getopt_long [2020-10-20 06:20:22,389 INFO L138 BoogieDeclarations]: Found implementation of procedure read [2020-10-20 06:20:22,389 INFO L138 BoogieDeclarations]: Found implementation of procedure vasprintf [2020-10-20 06:20:22,389 INFO L138 BoogieDeclarations]: Found implementation of procedure write [2020-10-20 06:20:22,389 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-20 06:20:22,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-20 06:20:22,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-20 06:20:22,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-20 06:20:22,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-20 06:20:22,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-20 06:20:22,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2020-10-20 06:20:22,391 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-20 06:20:22,392 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-20 06:20:22,392 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-20 06:20:22,392 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-20 06:20:22,392 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-20 06:20:22,393 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-20 06:20:22,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:20:22,393 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-20 06:20:22,393 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-20 06:20:22,393 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_b_loc [2020-10-20 06:20:22,394 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_tolower_loc [2020-10-20 06:20:22,394 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_toupper_loc [2020-10-20 06:20:22,394 INFO L130 BoogieDeclarations]: Found specification of procedure isalnum [2020-10-20 06:20:22,394 INFO L130 BoogieDeclarations]: Found specification of procedure isalpha [2020-10-20 06:20:22,394 INFO L130 BoogieDeclarations]: Found specification of procedure iscntrl [2020-10-20 06:20:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure isdigit [2020-10-20 06:20:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure islower [2020-10-20 06:20:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure isgraph [2020-10-20 06:20:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure isprint [2020-10-20 06:20:22,395 INFO L130 BoogieDeclarations]: Found specification of procedure ispunct [2020-10-20 06:20:22,396 INFO L130 BoogieDeclarations]: Found specification of procedure isspace [2020-10-20 06:20:22,396 INFO L130 BoogieDeclarations]: Found specification of procedure isupper [2020-10-20 06:20:22,396 INFO L130 BoogieDeclarations]: Found specification of procedure isxdigit [2020-10-20 06:20:22,396 INFO L130 BoogieDeclarations]: Found specification of procedure tolower [2020-10-20 06:20:22,397 INFO L130 BoogieDeclarations]: Found specification of procedure toupper [2020-10-20 06:20:22,397 INFO L130 BoogieDeclarations]: Found specification of procedure isblank [2020-10-20 06:20:22,397 INFO L130 BoogieDeclarations]: Found specification of procedure isascii [2020-10-20 06:20:22,397 INFO L130 BoogieDeclarations]: Found specification of procedure toascii [2020-10-20 06:20:22,397 INFO L130 BoogieDeclarations]: Found specification of procedure _toupper [2020-10-20 06:20:22,398 INFO L130 BoogieDeclarations]: Found specification of procedure _tolower [2020-10-20 06:20:22,398 INFO L130 BoogieDeclarations]: Found specification of procedure isalnum_l [2020-10-20 06:20:22,398 INFO L130 BoogieDeclarations]: Found specification of procedure isalpha_l [2020-10-20 06:20:22,398 INFO L130 BoogieDeclarations]: Found specification of procedure iscntrl_l [2020-10-20 06:20:22,398 INFO L130 BoogieDeclarations]: Found specification of procedure isdigit_l [2020-10-20 06:20:22,399 INFO L130 BoogieDeclarations]: Found specification of procedure islower_l [2020-10-20 06:20:22,399 INFO L130 BoogieDeclarations]: Found specification of procedure isgraph_l [2020-10-20 06:20:22,399 INFO L130 BoogieDeclarations]: Found specification of procedure isprint_l [2020-10-20 06:20:22,399 INFO L130 BoogieDeclarations]: Found specification of procedure ispunct_l [2020-10-20 06:20:22,399 INFO L130 BoogieDeclarations]: Found specification of procedure isspace_l [2020-10-20 06:20:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure isupper_l [2020-10-20 06:20:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure isxdigit_l [2020-10-20 06:20:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure isblank_l [2020-10-20 06:20:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure __tolower_l [2020-10-20 06:20:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure tolower_l [2020-10-20 06:20:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper_l [2020-10-20 06:20:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure toupper_l [2020-10-20 06:20:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure getopt [2020-10-20 06:20:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure getopt_long [2020-10-20 06:20:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure getopt_long_only [2020-10-20 06:20:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-20 06:20:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2020-10-20 06:20:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure memccpy [2020-10-20 06:20:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-20 06:20:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-10-20 06:20:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2020-10-20 06:20:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2020-10-20 06:20:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2020-10-20 06:20:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2020-10-20 06:20:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure strncat [2020-10-20 06:20:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-10-20 06:20:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2020-10-20 06:20:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll [2020-10-20 06:20:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm [2020-10-20 06:20:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll_l [2020-10-20 06:20:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm_l [2020-10-20 06:20:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure strdup [2020-10-20 06:20:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure strndup [2020-10-20 06:20:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2020-10-20 06:20:22,406 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2020-10-20 06:20:22,406 INFO L130 BoogieDeclarations]: Found specification of procedure strcspn [2020-10-20 06:20:22,406 INFO L130 BoogieDeclarations]: Found specification of procedure strspn [2020-10-20 06:20:22,406 INFO L130 BoogieDeclarations]: Found specification of procedure strpbrk [2020-10-20 06:20:22,406 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2020-10-20 06:20:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure strtok [2020-10-20 06:20:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure __strtok_r [2020-10-20 06:20:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure strtok_r [2020-10-20 06:20:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-10-20 06:20:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2020-10-20 06:20:22,408 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2020-10-20 06:20:22,408 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_r [2020-10-20 06:20:22,408 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_l [2020-10-20 06:20:22,408 INFO L130 BoogieDeclarations]: Found specification of procedure __bzero [2020-10-20 06:20:22,408 INFO L130 BoogieDeclarations]: Found specification of procedure bcopy [2020-10-20 06:20:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure bzero [2020-10-20 06:20:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure bcmp [2020-10-20 06:20:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure index [2020-10-20 06:20:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure rindex [2020-10-20 06:20:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2020-10-20 06:20:22,410 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2020-10-20 06:20:22,410 INFO L130 BoogieDeclarations]: Found specification of procedure strncasecmp [2020-10-20 06:20:22,410 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2020-10-20 06:20:22,410 INFO L130 BoogieDeclarations]: Found specification of procedure strsignal [2020-10-20 06:20:22,410 INFO L130 BoogieDeclarations]: Found specification of procedure __stpcpy [2020-10-20 06:20:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure stpcpy [2020-10-20 06:20:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure __stpncpy [2020-10-20 06:20:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure stpncpy [2020-10-20 06:20:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure access [2020-10-20 06:20:22,411 INFO L130 BoogieDeclarations]: Found specification of procedure faccessat [2020-10-20 06:20:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure lseek [2020-10-20 06:20:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure close [2020-10-20 06:20:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure read [2020-10-20 06:20:22,412 INFO L130 BoogieDeclarations]: Found specification of procedure write [2020-10-20 06:20:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure pread [2020-10-20 06:20:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure pwrite [2020-10-20 06:20:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure pipe [2020-10-20 06:20:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure alarm [2020-10-20 06:20:22,413 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2020-10-20 06:20:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure ualarm [2020-10-20 06:20:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure usleep [2020-10-20 06:20:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure pause [2020-10-20 06:20:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure chown [2020-10-20 06:20:22,414 INFO L130 BoogieDeclarations]: Found specification of procedure fchown [2020-10-20 06:20:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure lchown [2020-10-20 06:20:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure fchownat [2020-10-20 06:20:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure chdir [2020-10-20 06:20:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure fchdir [2020-10-20 06:20:22,415 INFO L130 BoogieDeclarations]: Found specification of procedure getcwd [2020-10-20 06:20:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure getwd [2020-10-20 06:20:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure dup [2020-10-20 06:20:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure dup2 [2020-10-20 06:20:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure execve [2020-10-20 06:20:22,416 INFO L130 BoogieDeclarations]: Found specification of procedure fexecve [2020-10-20 06:20:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure execv [2020-10-20 06:20:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure execle [2020-10-20 06:20:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure execl [2020-10-20 06:20:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure execvp [2020-10-20 06:20:22,417 INFO L130 BoogieDeclarations]: Found specification of procedure execlp [2020-10-20 06:20:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure nice [2020-10-20 06:20:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure _exit [2020-10-20 06:20:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure pathconf [2020-10-20 06:20:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure fpathconf [2020-10-20 06:20:22,418 INFO L130 BoogieDeclarations]: Found specification of procedure sysconf [2020-10-20 06:20:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure confstr [2020-10-20 06:20:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure getpid [2020-10-20 06:20:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure getppid [2020-10-20 06:20:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure getpgrp [2020-10-20 06:20:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure __getpgid [2020-10-20 06:20:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure getpgid [2020-10-20 06:20:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure setpgid [2020-10-20 06:20:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure setpgrp [2020-10-20 06:20:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure setsid [2020-10-20 06:20:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure getsid [2020-10-20 06:20:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure getuid [2020-10-20 06:20:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure geteuid [2020-10-20 06:20:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure getgid [2020-10-20 06:20:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure getegid [2020-10-20 06:20:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure getgroups [2020-10-20 06:20:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure setuid [2020-10-20 06:20:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure setreuid [2020-10-20 06:20:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure seteuid [2020-10-20 06:20:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure setgid [2020-10-20 06:20:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure setregid [2020-10-20 06:20:22,422 INFO L130 BoogieDeclarations]: Found specification of procedure setegid [2020-10-20 06:20:22,423 INFO L130 BoogieDeclarations]: Found specification of procedure fork [2020-10-20 06:20:22,423 INFO L130 BoogieDeclarations]: Found specification of procedure vfork [2020-10-20 06:20:22,423 INFO L130 BoogieDeclarations]: Found specification of procedure ttyname [2020-10-20 06:20:22,423 INFO L130 BoogieDeclarations]: Found specification of procedure ttyname_r [2020-10-20 06:20:22,423 INFO L130 BoogieDeclarations]: Found specification of procedure isatty [2020-10-20 06:20:22,423 INFO L130 BoogieDeclarations]: Found specification of procedure ttyslot [2020-10-20 06:20:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure link [2020-10-20 06:20:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure linkat [2020-10-20 06:20:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure symlink [2020-10-20 06:20:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure readlink [2020-10-20 06:20:22,424 INFO L130 BoogieDeclarations]: Found specification of procedure symlinkat [2020-10-20 06:20:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure readlinkat [2020-10-20 06:20:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure unlink [2020-10-20 06:20:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure unlinkat [2020-10-20 06:20:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure rmdir [2020-10-20 06:20:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure tcgetpgrp [2020-10-20 06:20:22,425 INFO L130 BoogieDeclarations]: Found specification of procedure tcsetpgrp [2020-10-20 06:20:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure getlogin [2020-10-20 06:20:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure getlogin_r [2020-10-20 06:20:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure setlogin [2020-10-20 06:20:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure gethostname [2020-10-20 06:20:22,426 INFO L130 BoogieDeclarations]: Found specification of procedure sethostname [2020-10-20 06:20:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure sethostid [2020-10-20 06:20:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure getdomainname [2020-10-20 06:20:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure setdomainname [2020-10-20 06:20:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure vhangup [2020-10-20 06:20:22,427 INFO L130 BoogieDeclarations]: Found specification of procedure revoke [2020-10-20 06:20:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure profil [2020-10-20 06:20:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure acct [2020-10-20 06:20:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure getusershell [2020-10-20 06:20:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure endusershell [2020-10-20 06:20:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure setusershell [2020-10-20 06:20:22,428 INFO L130 BoogieDeclarations]: Found specification of procedure daemon [2020-10-20 06:20:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure chroot [2020-10-20 06:20:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure getpass [2020-10-20 06:20:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure fsync [2020-10-20 06:20:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure gethostid [2020-10-20 06:20:22,429 INFO L130 BoogieDeclarations]: Found specification of procedure sync [2020-10-20 06:20:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure getpagesize [2020-10-20 06:20:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure getdtablesize [2020-10-20 06:20:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure truncate [2020-10-20 06:20:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure ftruncate [2020-10-20 06:20:22,430 INFO L130 BoogieDeclarations]: Found specification of procedure brk [2020-10-20 06:20:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure sbrk [2020-10-20 06:20:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure syscall [2020-10-20 06:20:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure lockf [2020-10-20 06:20:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure fdatasync [2020-10-20 06:20:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-20 06:20:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-20 06:20:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-20 06:20:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-20 06:20:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-20 06:20:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-20 06:20:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-20 06:20:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-20 06:20:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-20 06:20:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-20 06:20:22,433 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-20 06:20:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-20 06:20:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-20 06:20:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-20 06:20:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-20 06:20:22,434 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-20 06:20:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-20 06:20:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-20 06:20:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-20 06:20:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-20 06:20:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-20 06:20:22,435 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-20 06:20:22,436 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-20 06:20:22,436 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-20 06:20:22,436 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-20 06:20:22,436 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-20 06:20:22,436 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-20 06:20:22,437 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-20 06:20:22,437 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-20 06:20:22,437 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-20 06:20:22,437 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-20 06:20:22,437 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-20 06:20:22,438 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-20 06:20:22,438 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-20 06:20:22,438 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-20 06:20:22,438 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-20 06:20:22,438 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-20 06:20:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-20 06:20:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-20 06:20:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-20 06:20:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-20 06:20:22,439 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-20 06:20:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-20 06:20:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-20 06:20:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-20 06:20:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-20 06:20:22,440 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-20 06:20:22,441 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-20 06:20:22,441 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-20 06:20:22,441 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-20 06:20:22,441 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-20 06:20:22,441 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-20 06:20:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-20 06:20:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-20 06:20:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-20 06:20:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-20 06:20:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-20 06:20:22,443 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-20 06:20:22,443 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-20 06:20:22,443 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-20 06:20:22,443 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-20 06:20:22,443 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-20 06:20:22,444 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-20 06:20:22,454 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-20 06:20:22,454 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-20 06:20:22,454 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-20 06:20:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-20 06:20:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-20 06:20:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-20 06:20:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-20 06:20:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-20 06:20:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-20 06:20:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-20 06:20:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-20 06:20:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-20 06:20:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-20 06:20:22,456 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-20 06:20:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-20 06:20:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-20 06:20:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-20 06:20:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-20 06:20:22,457 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-20 06:20:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-20 06:20:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-20 06:20:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-20 06:20:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-20 06:20:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-20 06:20:22,458 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-20 06:20:22,459 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-20 06:20:22,459 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-20 06:20:22,459 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-20 06:20:22,459 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-20 06:20:22,459 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-20 06:20:22,459 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-20 06:20:22,460 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-20 06:20:22,460 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-20 06:20:22,460 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-20 06:20:22,460 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-20 06:20:22,460 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-20 06:20:22,460 INFO L130 BoogieDeclarations]: Found specification of procedure gettimeofday [2020-10-20 06:20:22,461 INFO L130 BoogieDeclarations]: Found specification of procedure settimeofday [2020-10-20 06:20:22,461 INFO L130 BoogieDeclarations]: Found specification of procedure adjtime [2020-10-20 06:20:22,461 INFO L130 BoogieDeclarations]: Found specification of procedure getitimer [2020-10-20 06:20:22,461 INFO L130 BoogieDeclarations]: Found specification of procedure setitimer [2020-10-20 06:20:22,461 INFO L130 BoogieDeclarations]: Found specification of procedure utimes [2020-10-20 06:20:22,462 INFO L130 BoogieDeclarations]: Found specification of procedure lutimes [2020-10-20 06:20:22,462 INFO L130 BoogieDeclarations]: Found specification of procedure futimes [2020-10-20 06:20:22,462 INFO L130 BoogieDeclarations]: Found specification of procedure login_tty [2020-10-20 06:20:22,462 INFO L130 BoogieDeclarations]: Found specification of procedure login [2020-10-20 06:20:22,462 INFO L130 BoogieDeclarations]: Found specification of procedure logout [2020-10-20 06:20:22,462 INFO L130 BoogieDeclarations]: Found specification of procedure logwtmp [2020-10-20 06:20:22,463 INFO L130 BoogieDeclarations]: Found specification of procedure updwtmp [2020-10-20 06:20:22,463 INFO L130 BoogieDeclarations]: Found specification of procedure utmpname [2020-10-20 06:20:22,463 INFO L130 BoogieDeclarations]: Found specification of procedure getutent [2020-10-20 06:20:22,463 INFO L130 BoogieDeclarations]: Found specification of procedure setutent [2020-10-20 06:20:22,463 INFO L130 BoogieDeclarations]: Found specification of procedure endutent [2020-10-20 06:20:22,463 INFO L130 BoogieDeclarations]: Found specification of procedure getutid [2020-10-20 06:20:22,464 INFO L130 BoogieDeclarations]: Found specification of procedure getutline [2020-10-20 06:20:22,464 INFO L130 BoogieDeclarations]: Found specification of procedure pututline [2020-10-20 06:20:22,464 INFO L130 BoogieDeclarations]: Found specification of procedure getutent_r [2020-10-20 06:20:22,464 INFO L130 BoogieDeclarations]: Found specification of procedure getutid_r [2020-10-20 06:20:22,464 INFO L130 BoogieDeclarations]: Found specification of procedure getutline_r [2020-10-20 06:20:22,464 INFO L130 BoogieDeclarations]: Found specification of procedure bb_get_last_path_component_nostrip [2020-10-20 06:20:22,465 INFO L130 BoogieDeclarations]: Found specification of procedure bb_get_last_path_component_strip [2020-10-20 06:20:22,465 INFO L130 BoogieDeclarations]: Found specification of procedure bb_show_usage [2020-10-20 06:20:22,465 INFO L130 BoogieDeclarations]: Found specification of procedure full_write [2020-10-20 06:20:22,465 INFO L130 BoogieDeclarations]: Found specification of procedure last_char_is [2020-10-20 06:20:22,465 INFO L130 BoogieDeclarations]: Found specification of procedure safe_write [2020-10-20 06:20:22,466 INFO L130 BoogieDeclarations]: Found specification of procedure syslog [2020-10-20 06:20:22,466 INFO L130 BoogieDeclarations]: Found specification of procedure __main [2020-10-20 06:20:22,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-20 06:20:22,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2020-10-20 06:20:22,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2020-10-20 06:20:22,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 06:20:22,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 06:20:22,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2020-10-20 06:20:22,467 INFO L130 BoogieDeclarations]: Found specification of procedure vasprintf [2020-10-20 06:20:22,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-20 06:20:22,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-20 06:20:22,467 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-20 06:20:22,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 06:20:22,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-20 06:20:22,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 06:20:22,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:20:22,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2020-10-20 06:20:22,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2020-10-20 06:20:25,071 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:20:25,071 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-10-20 06:20:25,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:20:25 BoogieIcfgContainer [2020-10-20 06:20:25,074 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:20:25,075 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 06:20:25,076 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 06:20:25,079 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 06:20:25,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:20:20" (1/3) ... [2020-10-20 06:20:25,080 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1835b42b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:20:25, skipping insertion in model container [2020-10-20 06:20:25,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:22" (2/3) ... [2020-10-20 06:20:25,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1835b42b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:20:25, skipping insertion in model container [2020-10-20 06:20:25,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:20:25" (3/3) ... [2020-10-20 06:20:25,083 INFO L111 eAbstractionObserver]: Analyzing ICFG basename-1.i [2020-10-20 06:20:25,097 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 06:20:25,106 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 136 error locations. [2020-10-20 06:20:25,123 INFO L253 AbstractCegarLoop]: Starting to check reachability of 136 error locations. [2020-10-20 06:20:25,145 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 06:20:25,146 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-20 06:20:25,146 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 06:20:25,146 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:20:25,146 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:20:25,146 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 06:20:25,147 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:20:25,147 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 06:20:25,174 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states. [2020-10-20 06:20:25,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-20 06:20:25,184 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:20:25,185 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:20:25,186 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr6REQUIRES_VIOLATION, vasprintfErr7REQUIRES_VIOLATION, vasprintfErr5REQUIRES_VIOLATION, vasprintfErr10REQUIRES_VIOLATION, vasprintfErr0REQUIRES_VIOLATION, vasprintfErr11REQUIRES_VIOLATION, vasprintfErr9REQUIRES_VIOLATION, vasprintfErr4REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION, vasprintfErr8REQUIRES_VIOLATION, getutentErr7REQUIRES_VIOLATION, getutentErr6REQUIRES_VIOLATION, getutentErr1REQUIRES_VIOLATION, getutentErr0REQUIRES_VIOLATION, getutentErr5REQUIRES_VIOLATION, getutentErr4REQUIRES_VIOLATION, getutentErr3REQUIRES_VIOLATION, getutentErr2REQUIRES_VIOLATION, __mainErr5REQUIRES_VIOLATION, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr6REQUIRES_VIOLATION, __mainErr8REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr31REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr1REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr24REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr16REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr37REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr41REQUIRES_VIOLATION, __mainErr18REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr40REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr11REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr13REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr36REQUIRES_VIOLATION, __mainErr14REQUIRES_VIOLATION, readErr1REQUIRES_VIOLATION, readErr0REQUIRES_VIOLATION, getoptErr2REQUIRES_VIOLATION, getoptErr13REQUIRES_VIOLATION, getoptErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr3REQUIRES_VIOLATION, getoptErr10REQUIRES_VIOLATION, getoptErr0REQUIRES_VIOLATION, getoptErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr11REQUIRES_VIOLATION, getoptErr1REQUIRES_VIOLATION, getoptErr12REQUIRES_VIOLATION, getoptErr8REQUIRES_VIOLATION, getoptErr9REQUIRES_VIOLATION, getoptErr6REQUIRES_VIOLATION, getoptErr7REQUIRES_VIOLATION, getopt_longErr2REQUIRES_VIOLATION, getopt_longErr3REQUIRES_VIOLATION, getopt_longErr4REQUIRES_VIOLATION, getopt_longErr5REQUIRES_VIOLATION, getopt_longErr0REQUIRES_VIOLATION, getopt_longErr6REQUIRES_VIOLATION, getopt_longErr1REQUIRES_VIOLATION, getopt_longErr7REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr33ASSERT_VIOLATIONMEMORY_FREE, mainErr34ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr32ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr4REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr1REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr0REQUIRES_VIOLATION]=== [2020-10-20 06:20:25,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:20:25,193 INFO L82 PathProgramCache]: Analyzing trace with hash 1464722008, now seen corresponding path program 1 times [2020-10-20 06:20:25,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:20:25,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1483623372] [2020-10-20 06:20:25,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-20 06:20:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:20:25,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-20 06:20:25,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:20:25,690 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-10-20 06:20:25,691 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:20:25,703 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:20:25,704 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:20:25,704 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-10-20 06:20:25,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:20:25,720 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:20:25,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:20:25,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1483623372] [2020-10-20 06:20:25,739 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:20:25,739 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 06:20:25,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932297055] [2020-10-20 06:20:25,745 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 06:20:25,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:20:25,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:20:25,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:20:25,764 INFO L87 Difference]: Start difference. First operand 313 states. Second operand 3 states. [2020-10-20 06:20:26,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:20:26,327 INFO L93 Difference]: Finished difference Result 290 states and 326 transitions. [2020-10-20 06:20:26,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:20:26,329 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-20 06:20:26,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:20:26,352 INFO L225 Difference]: With dead ends: 290 [2020-10-20 06:20:26,353 INFO L226 Difference]: Without dead ends: 287 [2020-10-20 06:20:26,354 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:20:26,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2020-10-20 06:20:26,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 271. [2020-10-20 06:20:26,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2020-10-20 06:20:26,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 306 transitions. [2020-10-20 06:20:26,431 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 306 transitions. Word has length 7 [2020-10-20 06:20:26,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:20:26,431 INFO L481 AbstractCegarLoop]: Abstraction has 271 states and 306 transitions. [2020-10-20 06:20:26,431 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 06:20:26,431 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 306 transitions. [2020-10-20 06:20:26,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-20 06:20:26,432 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:20:26,432 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:20:26,646 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 06:20:26,648 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr6REQUIRES_VIOLATION, vasprintfErr7REQUIRES_VIOLATION, vasprintfErr5REQUIRES_VIOLATION, vasprintfErr10REQUIRES_VIOLATION, vasprintfErr0REQUIRES_VIOLATION, vasprintfErr11REQUIRES_VIOLATION, vasprintfErr9REQUIRES_VIOLATION, vasprintfErr4REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION, vasprintfErr8REQUIRES_VIOLATION, getutentErr7REQUIRES_VIOLATION, getutentErr6REQUIRES_VIOLATION, getutentErr1REQUIRES_VIOLATION, getutentErr0REQUIRES_VIOLATION, getutentErr5REQUIRES_VIOLATION, getutentErr4REQUIRES_VIOLATION, getutentErr3REQUIRES_VIOLATION, getutentErr2REQUIRES_VIOLATION, __mainErr5REQUIRES_VIOLATION, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr6REQUIRES_VIOLATION, __mainErr8REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr31REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr1REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr24REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr16REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr37REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr41REQUIRES_VIOLATION, __mainErr18REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr40REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr11REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr13REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr36REQUIRES_VIOLATION, __mainErr14REQUIRES_VIOLATION, readErr1REQUIRES_VIOLATION, readErr0REQUIRES_VIOLATION, getoptErr2REQUIRES_VIOLATION, getoptErr13REQUIRES_VIOLATION, getoptErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr3REQUIRES_VIOLATION, getoptErr10REQUIRES_VIOLATION, getoptErr0REQUIRES_VIOLATION, getoptErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr11REQUIRES_VIOLATION, getoptErr1REQUIRES_VIOLATION, getoptErr12REQUIRES_VIOLATION, getoptErr8REQUIRES_VIOLATION, getoptErr9REQUIRES_VIOLATION, getoptErr6REQUIRES_VIOLATION, getoptErr7REQUIRES_VIOLATION, getopt_longErr2REQUIRES_VIOLATION, getopt_longErr3REQUIRES_VIOLATION, getopt_longErr4REQUIRES_VIOLATION, getopt_longErr5REQUIRES_VIOLATION, getopt_longErr0REQUIRES_VIOLATION, getopt_longErr6REQUIRES_VIOLATION, getopt_longErr1REQUIRES_VIOLATION, getopt_longErr7REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr33ASSERT_VIOLATIONMEMORY_FREE, mainErr34ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr32ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr4REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr1REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr0REQUIRES_VIOLATION]=== [2020-10-20 06:20:26,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:20:26,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1464722009, now seen corresponding path program 1 times [2020-10-20 06:20:26,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:20:26,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [405391884] [2020-10-20 06:20:26,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-20 06:20:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:20:26,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 06:20:26,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:20:26,958 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-10-20 06:20:26,959 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:20:26,970 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:20:26,971 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:20:26,971 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-10-20 06:20:26,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:20:26,985 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:20:27,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:20:27,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [405391884] [2020-10-20 06:20:27,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:20:27,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-10-20 06:20:27,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382664589] [2020-10-20 06:20:27,069 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 06:20:27,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:20:27,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 06:20:27,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-20 06:20:27,070 INFO L87 Difference]: Start difference. First operand 271 states and 306 transitions. Second operand 4 states. [2020-10-20 06:20:28,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:20:28,003 INFO L93 Difference]: Finished difference Result 270 states and 305 transitions. [2020-10-20 06:20:28,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:20:28,004 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-10-20 06:20:28,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:20:28,006 INFO L225 Difference]: With dead ends: 270 [2020-10-20 06:20:28,006 INFO L226 Difference]: Without dead ends: 270 [2020-10-20 06:20:28,007 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-20 06:20:28,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2020-10-20 06:20:28,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 270. [2020-10-20 06:20:28,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-10-20 06:20:28,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 305 transitions. [2020-10-20 06:20:28,025 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 305 transitions. Word has length 7 [2020-10-20 06:20:28,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:20:28,025 INFO L481 AbstractCegarLoop]: Abstraction has 270 states and 305 transitions. [2020-10-20 06:20:28,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 06:20:28,026 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 305 transitions. [2020-10-20 06:20:28,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-20 06:20:28,026 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:20:28,026 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:20:28,233 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 06:20:28,234 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr6REQUIRES_VIOLATION, vasprintfErr7REQUIRES_VIOLATION, vasprintfErr5REQUIRES_VIOLATION, vasprintfErr10REQUIRES_VIOLATION, vasprintfErr0REQUIRES_VIOLATION, vasprintfErr11REQUIRES_VIOLATION, vasprintfErr9REQUIRES_VIOLATION, vasprintfErr4REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION, vasprintfErr8REQUIRES_VIOLATION, getutentErr7REQUIRES_VIOLATION, getutentErr6REQUIRES_VIOLATION, getutentErr1REQUIRES_VIOLATION, getutentErr0REQUIRES_VIOLATION, getutentErr5REQUIRES_VIOLATION, getutentErr4REQUIRES_VIOLATION, getutentErr3REQUIRES_VIOLATION, getutentErr2REQUIRES_VIOLATION, __mainErr5REQUIRES_VIOLATION, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr6REQUIRES_VIOLATION, __mainErr8REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr31REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr1REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr24REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr16REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr37REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr41REQUIRES_VIOLATION, __mainErr18REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr40REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr11REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr13REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr36REQUIRES_VIOLATION, __mainErr14REQUIRES_VIOLATION, readErr1REQUIRES_VIOLATION, readErr0REQUIRES_VIOLATION, getoptErr2REQUIRES_VIOLATION, getoptErr13REQUIRES_VIOLATION, getoptErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr3REQUIRES_VIOLATION, getoptErr10REQUIRES_VIOLATION, getoptErr0REQUIRES_VIOLATION, getoptErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr11REQUIRES_VIOLATION, getoptErr1REQUIRES_VIOLATION, getoptErr12REQUIRES_VIOLATION, getoptErr8REQUIRES_VIOLATION, getoptErr9REQUIRES_VIOLATION, getoptErr6REQUIRES_VIOLATION, getoptErr7REQUIRES_VIOLATION, getopt_longErr2REQUIRES_VIOLATION, getopt_longErr3REQUIRES_VIOLATION, getopt_longErr4REQUIRES_VIOLATION, getopt_longErr5REQUIRES_VIOLATION, getopt_longErr0REQUIRES_VIOLATION, getopt_longErr6REQUIRES_VIOLATION, getopt_longErr1REQUIRES_VIOLATION, getopt_longErr7REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr33ASSERT_VIOLATIONMEMORY_FREE, mainErr34ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr32ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr4REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr1REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr0REQUIRES_VIOLATION]=== [2020-10-20 06:20:28,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:20:28,235 INFO L82 PathProgramCache]: Analyzing trace with hash -1333850554, now seen corresponding path program 1 times [2020-10-20 06:20:28,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:20:28,237 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1704769986] [2020-10-20 06:20:28,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-20 06:20:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:20:28,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 06:20:28,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:20:28,524 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-10-20 06:20:28,525 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:20:28,532 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:20:28,532 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:20:28,533 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-10-20 06:20:28,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:20:28,583 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:20:28,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:20:28,734 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1704769986] [2020-10-20 06:20:28,734 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:20:28,734 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-10-20 06:20:28,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707371531] [2020-10-20 06:20:28,735 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 06:20:28,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:20:28,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 06:20:28,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-20 06:20:28,736 INFO L87 Difference]: Start difference. First operand 270 states and 305 transitions. Second operand 6 states. [2020-10-20 06:20:30,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:20:30,226 INFO L93 Difference]: Finished difference Result 279 states and 316 transitions. [2020-10-20 06:20:30,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-20 06:20:30,227 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2020-10-20 06:20:30,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:20:30,229 INFO L225 Difference]: With dead ends: 279 [2020-10-20 06:20:30,229 INFO L226 Difference]: Without dead ends: 279 [2020-10-20 06:20:30,230 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-10-20 06:20:30,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2020-10-20 06:20:30,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 276. [2020-10-20 06:20:30,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2020-10-20 06:20:30,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 312 transitions. [2020-10-20 06:20:30,247 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 312 transitions. Word has length 10 [2020-10-20 06:20:30,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:20:30,247 INFO L481 AbstractCegarLoop]: Abstraction has 276 states and 312 transitions. [2020-10-20 06:20:30,248 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 06:20:30,248 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 312 transitions. [2020-10-20 06:20:30,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-20 06:20:30,249 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:20:30,249 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:20:30,462 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-20 06:20:30,463 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr6REQUIRES_VIOLATION, vasprintfErr7REQUIRES_VIOLATION, vasprintfErr5REQUIRES_VIOLATION, vasprintfErr10REQUIRES_VIOLATION, vasprintfErr0REQUIRES_VIOLATION, vasprintfErr11REQUIRES_VIOLATION, vasprintfErr9REQUIRES_VIOLATION, vasprintfErr4REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION, vasprintfErr8REQUIRES_VIOLATION, getutentErr7REQUIRES_VIOLATION, getutentErr6REQUIRES_VIOLATION, getutentErr1REQUIRES_VIOLATION, getutentErr0REQUIRES_VIOLATION, getutentErr5REQUIRES_VIOLATION, getutentErr4REQUIRES_VIOLATION, getutentErr3REQUIRES_VIOLATION, getutentErr2REQUIRES_VIOLATION, __mainErr5REQUIRES_VIOLATION, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr6REQUIRES_VIOLATION, __mainErr8REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr31REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr1REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr24REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr16REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr37REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr41REQUIRES_VIOLATION, __mainErr18REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr40REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr11REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr13REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr36REQUIRES_VIOLATION, __mainErr14REQUIRES_VIOLATION, readErr1REQUIRES_VIOLATION, readErr0REQUIRES_VIOLATION, getoptErr2REQUIRES_VIOLATION, getoptErr13REQUIRES_VIOLATION, getoptErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr3REQUIRES_VIOLATION, getoptErr10REQUIRES_VIOLATION, getoptErr0REQUIRES_VIOLATION, getoptErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr11REQUIRES_VIOLATION, getoptErr1REQUIRES_VIOLATION, getoptErr12REQUIRES_VIOLATION, getoptErr8REQUIRES_VIOLATION, getoptErr9REQUIRES_VIOLATION, getoptErr6REQUIRES_VIOLATION, getoptErr7REQUIRES_VIOLATION, getopt_longErr2REQUIRES_VIOLATION, getopt_longErr3REQUIRES_VIOLATION, getopt_longErr4REQUIRES_VIOLATION, getopt_longErr5REQUIRES_VIOLATION, getopt_longErr0REQUIRES_VIOLATION, getopt_longErr6REQUIRES_VIOLATION, getopt_longErr1REQUIRES_VIOLATION, getopt_longErr7REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr33ASSERT_VIOLATIONMEMORY_FREE, mainErr34ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr32ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr4REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr1REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr0REQUIRES_VIOLATION]=== [2020-10-20 06:20:30,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:20:30,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1272749620, now seen corresponding path program 1 times [2020-10-20 06:20:30,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:20:30,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [248533553] [2020-10-20 06:20:30,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-10-20 06:20:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:20:30,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-20 06:20:30,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:20:30,807 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-10-20 06:20:30,807 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:20:30,819 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:20:30,819 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:20:30,819 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-10-20 06:20:30,900 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:20:30,900 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:20:31,340 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:20:31,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [248533553] [2020-10-20 06:20:31,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 06:20:31,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2020-10-20 06:20:31,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699061935] [2020-10-20 06:20:31,341 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-20 06:20:31,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:20:31,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-20 06:20:31,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-10-20 06:20:31,343 INFO L87 Difference]: Start difference. First operand 276 states and 312 transitions. Second operand 10 states. [2020-10-20 06:20:34,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:20:34,668 INFO L93 Difference]: Finished difference Result 286 states and 321 transitions. [2020-10-20 06:20:34,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 06:20:34,675 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 18 [2020-10-20 06:20:34,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:20:34,678 INFO L225 Difference]: With dead ends: 286 [2020-10-20 06:20:34,678 INFO L226 Difference]: Without dead ends: 286 [2020-10-20 06:20:34,678 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2020-10-20 06:20:34,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-10-20 06:20:34,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 286. [2020-10-20 06:20:34,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2020-10-20 06:20:34,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 321 transitions. [2020-10-20 06:20:34,709 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 321 transitions. Word has length 18 [2020-10-20 06:20:34,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:20:34,709 INFO L481 AbstractCegarLoop]: Abstraction has 286 states and 321 transitions. [2020-10-20 06:20:34,710 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-20 06:20:34,710 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 321 transitions. [2020-10-20 06:20:34,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-20 06:20:34,713 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:20:34,713 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:20:34,927 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-10-20 06:20:34,928 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr6REQUIRES_VIOLATION, vasprintfErr7REQUIRES_VIOLATION, vasprintfErr5REQUIRES_VIOLATION, vasprintfErr10REQUIRES_VIOLATION, vasprintfErr0REQUIRES_VIOLATION, vasprintfErr11REQUIRES_VIOLATION, vasprintfErr9REQUIRES_VIOLATION, vasprintfErr4REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION, vasprintfErr8REQUIRES_VIOLATION, getutentErr7REQUIRES_VIOLATION, getutentErr6REQUIRES_VIOLATION, getutentErr1REQUIRES_VIOLATION, getutentErr0REQUIRES_VIOLATION, getutentErr5REQUIRES_VIOLATION, getutentErr4REQUIRES_VIOLATION, getutentErr3REQUIRES_VIOLATION, getutentErr2REQUIRES_VIOLATION, __mainErr5REQUIRES_VIOLATION, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr6REQUIRES_VIOLATION, __mainErr8REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr31REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr1REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr24REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr16REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr37REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr41REQUIRES_VIOLATION, __mainErr18REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr40REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr11REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr13REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr36REQUIRES_VIOLATION, __mainErr14REQUIRES_VIOLATION, readErr1REQUIRES_VIOLATION, readErr0REQUIRES_VIOLATION, getoptErr2REQUIRES_VIOLATION, getoptErr13REQUIRES_VIOLATION, getoptErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr3REQUIRES_VIOLATION, getoptErr10REQUIRES_VIOLATION, getoptErr0REQUIRES_VIOLATION, getoptErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr11REQUIRES_VIOLATION, getoptErr1REQUIRES_VIOLATION, getoptErr12REQUIRES_VIOLATION, getoptErr8REQUIRES_VIOLATION, getoptErr9REQUIRES_VIOLATION, getoptErr6REQUIRES_VIOLATION, getoptErr7REQUIRES_VIOLATION, getopt_longErr2REQUIRES_VIOLATION, getopt_longErr3REQUIRES_VIOLATION, getopt_longErr4REQUIRES_VIOLATION, getopt_longErr5REQUIRES_VIOLATION, getopt_longErr0REQUIRES_VIOLATION, getopt_longErr6REQUIRES_VIOLATION, getopt_longErr1REQUIRES_VIOLATION, getopt_longErr7REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr33ASSERT_VIOLATIONMEMORY_FREE, mainErr34ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr32ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr4REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr1REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr0REQUIRES_VIOLATION]=== [2020-10-20 06:20:34,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:20:34,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1117368395, now seen corresponding path program 1 times [2020-10-20 06:20:34,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:20:34,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2133286342] [2020-10-20 06:20:34,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-10-20 06:20:35,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:20:35,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-20 06:20:35,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:20:35,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2133286342] [2020-10-20 06:20:35,311 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 06:20:35,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1029882483] [2020-10-20 06:20:35,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-10-20 06:20:36,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:20:36,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-20 06:20:36,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:20:36,147 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:20:36,147 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:20:36,343 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:20:36,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-20 06:20:36,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2020-10-20 06:20:36,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487152755] [2020-10-20 06:20:36,344 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-20 06:20:36,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:20:36,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-20 06:20:36,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2020-10-20 06:20:36,344 INFO L87 Difference]: Start difference. First operand 286 states and 321 transitions. Second operand 14 states. [2020-10-20 06:20:36,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:20:36,871 INFO L93 Difference]: Finished difference Result 306 states and 341 transitions. [2020-10-20 06:20:36,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-20 06:20:36,877 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 37 [2020-10-20 06:20:36,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:20:36,879 INFO L225 Difference]: With dead ends: 306 [2020-10-20 06:20:36,879 INFO L226 Difference]: Without dead ends: 306 [2020-10-20 06:20:36,880 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 78 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=96, Invalid=176, Unknown=0, NotChecked=0, Total=272 [2020-10-20 06:20:36,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2020-10-20 06:20:36,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2020-10-20 06:20:36,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2020-10-20 06:20:36,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 341 transitions. [2020-10-20 06:20:36,889 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 341 transitions. Word has length 37 [2020-10-20 06:20:36,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:20:36,890 INFO L481 AbstractCegarLoop]: Abstraction has 306 states and 341 transitions. [2020-10-20 06:20:36,890 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-20 06:20:36,891 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 341 transitions. [2020-10-20 06:20:36,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-20 06:20:36,895 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:20:36,896 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:20:37,303 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 cvc4 --incremental --print-success --lang smt --rewrite-divk,6 mathsat -unsat_core_generation=3 [2020-10-20 06:20:37,303 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr6REQUIRES_VIOLATION, vasprintfErr7REQUIRES_VIOLATION, vasprintfErr5REQUIRES_VIOLATION, vasprintfErr10REQUIRES_VIOLATION, vasprintfErr0REQUIRES_VIOLATION, vasprintfErr11REQUIRES_VIOLATION, vasprintfErr9REQUIRES_VIOLATION, vasprintfErr4REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION, vasprintfErr8REQUIRES_VIOLATION, getutentErr7REQUIRES_VIOLATION, getutentErr6REQUIRES_VIOLATION, getutentErr1REQUIRES_VIOLATION, getutentErr0REQUIRES_VIOLATION, getutentErr5REQUIRES_VIOLATION, getutentErr4REQUIRES_VIOLATION, getutentErr3REQUIRES_VIOLATION, getutentErr2REQUIRES_VIOLATION, __mainErr5REQUIRES_VIOLATION, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr6REQUIRES_VIOLATION, __mainErr8REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr31REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr1REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr24REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr16REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr37REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr41REQUIRES_VIOLATION, __mainErr18REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr40REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr11REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr13REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr36REQUIRES_VIOLATION, __mainErr14REQUIRES_VIOLATION, readErr1REQUIRES_VIOLATION, readErr0REQUIRES_VIOLATION, getoptErr2REQUIRES_VIOLATION, getoptErr13REQUIRES_VIOLATION, getoptErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr3REQUIRES_VIOLATION, getoptErr10REQUIRES_VIOLATION, getoptErr0REQUIRES_VIOLATION, getoptErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr11REQUIRES_VIOLATION, getoptErr1REQUIRES_VIOLATION, getoptErr12REQUIRES_VIOLATION, getoptErr8REQUIRES_VIOLATION, getoptErr9REQUIRES_VIOLATION, getoptErr6REQUIRES_VIOLATION, getoptErr7REQUIRES_VIOLATION, getopt_longErr2REQUIRES_VIOLATION, getopt_longErr3REQUIRES_VIOLATION, getopt_longErr4REQUIRES_VIOLATION, getopt_longErr5REQUIRES_VIOLATION, getopt_longErr0REQUIRES_VIOLATION, getopt_longErr6REQUIRES_VIOLATION, getopt_longErr1REQUIRES_VIOLATION, getopt_longErr7REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr33ASSERT_VIOLATIONMEMORY_FREE, mainErr34ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr32ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr4REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr1REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr0REQUIRES_VIOLATION]=== [2020-10-20 06:20:37,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:20:37,304 INFO L82 PathProgramCache]: Analyzing trace with hash -503329594, now seen corresponding path program 2 times [2020-10-20 06:20:37,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:20:37,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1544578299] [2020-10-20 06:20:37,307 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-10-20 06:20:37,653 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-10-20 06:20:37,653 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-20 06:20:37,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 06:20:37,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:20:37,701 INFO L350 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2020-10-20 06:20:37,702 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2020-10-20 06:20:37,703 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:20:37,713 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:20:37,715 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 06:20:37,716 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:15 [2020-10-20 06:20:37,774 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2020-10-20 06:20:37,774 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:20:37,821 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2020-10-20 06:20:37,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1544578299] [2020-10-20 06:20:37,822 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:20:37,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2020-10-20 06:20:37,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081494879] [2020-10-20 06:20:37,823 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 06:20:37,823 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:20:37,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 06:20:37,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-20 06:20:37,824 INFO L87 Difference]: Start difference. First operand 306 states and 341 transitions. Second operand 4 states. [2020-10-20 06:20:38,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:20:38,964 INFO L93 Difference]: Finished difference Result 317 states and 353 transitions. [2020-10-20 06:20:38,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:20:38,964 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 57 [2020-10-20 06:20:38,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:20:38,968 INFO L225 Difference]: With dead ends: 317 [2020-10-20 06:20:38,968 INFO L226 Difference]: Without dead ends: 317 [2020-10-20 06:20:38,968 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-20 06:20:38,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2020-10-20 06:20:38,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 301. [2020-10-20 06:20:38,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2020-10-20 06:20:38,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 336 transitions. [2020-10-20 06:20:38,977 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 336 transitions. Word has length 57 [2020-10-20 06:20:38,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:20:38,978 INFO L481 AbstractCegarLoop]: Abstraction has 301 states and 336 transitions. [2020-10-20 06:20:38,978 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 06:20:38,978 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 336 transitions. [2020-10-20 06:20:38,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-20 06:20:38,979 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:20:38,979 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:20:39,184 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-10-20 06:20:39,185 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr6REQUIRES_VIOLATION, vasprintfErr7REQUIRES_VIOLATION, vasprintfErr5REQUIRES_VIOLATION, vasprintfErr10REQUIRES_VIOLATION, vasprintfErr0REQUIRES_VIOLATION, vasprintfErr11REQUIRES_VIOLATION, vasprintfErr9REQUIRES_VIOLATION, vasprintfErr4REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION, vasprintfErr8REQUIRES_VIOLATION, getutentErr7REQUIRES_VIOLATION, getutentErr6REQUIRES_VIOLATION, getutentErr1REQUIRES_VIOLATION, getutentErr0REQUIRES_VIOLATION, getutentErr5REQUIRES_VIOLATION, getutentErr4REQUIRES_VIOLATION, getutentErr3REQUIRES_VIOLATION, getutentErr2REQUIRES_VIOLATION, __mainErr5REQUIRES_VIOLATION, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr6REQUIRES_VIOLATION, __mainErr8REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr31REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr1REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr24REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr16REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr37REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr41REQUIRES_VIOLATION, __mainErr18REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr40REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr11REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr13REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr36REQUIRES_VIOLATION, __mainErr14REQUIRES_VIOLATION, readErr1REQUIRES_VIOLATION, readErr0REQUIRES_VIOLATION, getoptErr2REQUIRES_VIOLATION, getoptErr13REQUIRES_VIOLATION, getoptErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr3REQUIRES_VIOLATION, getoptErr10REQUIRES_VIOLATION, getoptErr0REQUIRES_VIOLATION, getoptErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr11REQUIRES_VIOLATION, getoptErr1REQUIRES_VIOLATION, getoptErr12REQUIRES_VIOLATION, getoptErr8REQUIRES_VIOLATION, getoptErr9REQUIRES_VIOLATION, getoptErr6REQUIRES_VIOLATION, getoptErr7REQUIRES_VIOLATION, getopt_longErr2REQUIRES_VIOLATION, getopt_longErr3REQUIRES_VIOLATION, getopt_longErr4REQUIRES_VIOLATION, getopt_longErr5REQUIRES_VIOLATION, getopt_longErr0REQUIRES_VIOLATION, getopt_longErr6REQUIRES_VIOLATION, getopt_longErr1REQUIRES_VIOLATION, getopt_longErr7REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr33ASSERT_VIOLATIONMEMORY_FREE, mainErr34ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr32ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr4REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr1REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr0REQUIRES_VIOLATION]=== [2020-10-20 06:20:39,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:20:39,186 INFO L82 PathProgramCache]: Analyzing trace with hash -503329593, now seen corresponding path program 1 times [2020-10-20 06:20:39,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:20:39,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [532857096] [2020-10-20 06:20:39,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2020-10-20 06:20:39,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:20:39,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-20 06:20:39,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:20:39,758 INFO L441 ElimStorePlain]: Different costs {0=[|v_#length_174|], 1=[|v_#valid_188|]} [2020-10-20 06:20:39,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 06:20:39,766 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2020-10-20 06:20:39,767 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:20:39,794 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:20:39,805 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2020-10-20 06:20:39,806 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 06:20:39,831 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:20:39,834 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 06:20:39,834 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:35, output treesize:32 [2020-10-20 06:20:39,935 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2020-10-20 06:20:39,935 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:20:40,051 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-20 06:20:40,069 INFO L441 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2020-10-20 06:20:40,071 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-20 06:20:40,073 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-10-20 06:20:40,073 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:20:40,082 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:20:40,082 INFO L513 ElimStorePlain]: Eliminatee |#length| vanished before elimination [2020-10-20 06:20:40,083 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:20:40,083 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:43, output treesize:9 [2020-10-20 06:20:40,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [532857096] [2020-10-20 06:20:40,163 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 06:20:40,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1386234919] [2020-10-20 06:20:40,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-10-20 06:20:41,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:20:41,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-20 06:20:41,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:20:41,783 INFO L441 ElimStorePlain]: Different costs {0=[|v_#length_176|], 1=[|v_#valid_190|]} [2020-10-20 06:20:41,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 06:20:41,792 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2020-10-20 06:20:41,792 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:20:41,817 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:20:41,839 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2020-10-20 06:20:41,840 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 06:20:41,873 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:20:41,875 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 06:20:41,875 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:35, output treesize:32 [2020-10-20 06:20:41,879 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2020-10-20 06:20:41,879 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:20:41,884 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-20 06:20:41,897 INFO L441 ElimStorePlain]: Different costs {1=[|#valid|], 2=[|#length|]} [2020-10-20 06:20:41,901 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-20 06:20:41,903 WARN L234 Elim1Store]: Array PQE input equivalent to true [2020-10-20 06:20:41,903 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:20:41,911 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:20:41,911 INFO L513 ElimStorePlain]: Eliminatee |#length| vanished before elimination [2020-10-20 06:20:41,912 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:20:41,912 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:43, output treesize:9 [2020-10-20 06:20:41,970 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-20 06:20:42,027 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2020-10-20 06:20:42,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:20:42,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-10-20 06:20:42,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403314284] [2020-10-20 06:20:42,029 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-20 06:20:42,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:20:42,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-20 06:20:42,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-20 06:20:42,029 INFO L87 Difference]: Start difference. First operand 301 states and 336 transitions. Second operand 9 states. [2020-10-20 06:20:43,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:20:43,467 INFO L93 Difference]: Finished difference Result 333 states and 370 transitions. [2020-10-20 06:20:43,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 06:20:43,468 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-10-20 06:20:43,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:20:43,471 INFO L225 Difference]: With dead ends: 333 [2020-10-20 06:20:43,471 INFO L226 Difference]: Without dead ends: 333 [2020-10-20 06:20:43,472 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-20 06:20:43,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2020-10-20 06:20:43,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 313. [2020-10-20 06:20:43,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2020-10-20 06:20:43,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 359 transitions. [2020-10-20 06:20:43,482 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 359 transitions. Word has length 57 [2020-10-20 06:20:43,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:20:43,482 INFO L481 AbstractCegarLoop]: Abstraction has 313 states and 359 transitions. [2020-10-20 06:20:43,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-20 06:20:43,482 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 359 transitions. [2020-10-20 06:20:43,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-20 06:20:43,484 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:20:43,484 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:20:43,888 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 mathsat -unsat_core_generation=3,10 cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-10-20 06:20:43,891 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr6REQUIRES_VIOLATION, vasprintfErr7REQUIRES_VIOLATION, vasprintfErr5REQUIRES_VIOLATION, vasprintfErr10REQUIRES_VIOLATION, vasprintfErr0REQUIRES_VIOLATION, vasprintfErr11REQUIRES_VIOLATION, vasprintfErr9REQUIRES_VIOLATION, vasprintfErr4REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION, vasprintfErr8REQUIRES_VIOLATION, getutentErr7REQUIRES_VIOLATION, getutentErr6REQUIRES_VIOLATION, getutentErr1REQUIRES_VIOLATION, getutentErr0REQUIRES_VIOLATION, getutentErr5REQUIRES_VIOLATION, getutentErr4REQUIRES_VIOLATION, getutentErr3REQUIRES_VIOLATION, getutentErr2REQUIRES_VIOLATION, __mainErr5REQUIRES_VIOLATION, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr6REQUIRES_VIOLATION, __mainErr8REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr31REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr1REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr24REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr16REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr37REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr41REQUIRES_VIOLATION, __mainErr18REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr40REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr11REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr13REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr36REQUIRES_VIOLATION, __mainErr14REQUIRES_VIOLATION, readErr1REQUIRES_VIOLATION, readErr0REQUIRES_VIOLATION, getoptErr2REQUIRES_VIOLATION, getoptErr13REQUIRES_VIOLATION, getoptErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr3REQUIRES_VIOLATION, getoptErr10REQUIRES_VIOLATION, getoptErr0REQUIRES_VIOLATION, getoptErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr11REQUIRES_VIOLATION, getoptErr1REQUIRES_VIOLATION, getoptErr12REQUIRES_VIOLATION, getoptErr8REQUIRES_VIOLATION, getoptErr9REQUIRES_VIOLATION, getoptErr6REQUIRES_VIOLATION, getoptErr7REQUIRES_VIOLATION, getopt_longErr2REQUIRES_VIOLATION, getopt_longErr3REQUIRES_VIOLATION, getopt_longErr4REQUIRES_VIOLATION, getopt_longErr5REQUIRES_VIOLATION, getopt_longErr0REQUIRES_VIOLATION, getopt_longErr6REQUIRES_VIOLATION, getopt_longErr1REQUIRES_VIOLATION, getopt_longErr7REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr33ASSERT_VIOLATIONMEMORY_FREE, mainErr34ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr32ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr4REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr1REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr0REQUIRES_VIOLATION]=== [2020-10-20 06:20:43,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:20:43,892 INFO L82 PathProgramCache]: Analyzing trace with hash -960544208, now seen corresponding path program 1 times [2020-10-20 06:20:43,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:20:43,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1127306259] [2020-10-20 06:20:43,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2020-10-20 06:20:44,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:20:44,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 13 conjunts are in the unsatisfiable core [2020-10-20 06:20:44,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:20:44,508 INFO L441 ElimStorePlain]: Different costs {0=[|v_#length_181|], 1=[|v_#valid_195|]} [2020-10-20 06:20:44,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 06:20:44,520 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2020-10-20 06:20:44,520 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:20:44,558 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:20:44,571 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2020-10-20 06:20:44,572 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 06:20:44,599 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:20:44,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1127306259] [2020-10-20 06:20:44,601 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 06:20:44,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [24788540] [2020-10-20 06:20:44,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-10-20 06:20:45,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:20:45,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 16 conjunts are in the unsatisfiable core [2020-10-20 06:20:45,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:20:45,789 INFO L441 ElimStorePlain]: Different costs {0=[|v_#length_182|], 1=[|v_#valid_196|]} [2020-10-20 06:20:45,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 06:20:45,803 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2020-10-20 06:20:45,803 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:20:45,840 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:20:45,850 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2020-10-20 06:20:45,852 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 06:20:45,878 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:20:45,880 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 06:20:45,881 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:35, output treesize:32 [2020-10-20 06:20:46,163 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 31 [2020-10-20 06:20:46,318 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 06:20:46,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1126734917] [2020-10-20 06:20:46,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 06:20:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:20:46,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 12 conjunts are in the unsatisfiable core [2020-10-20 06:20:46,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:20:46,880 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:20:46,881 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2020-10-20 06:20:46,882 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:20:46,986 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2020-10-20 06:20:46,988 INFO L625 ElimStorePlain]: treesize reduction 3, result has 91.7 percent of original size [2020-10-20 06:20:46,995 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2020-10-20 06:20:46,997 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 06:20:47,061 INFO L625 ElimStorePlain]: treesize reduction 4, result has 87.5 percent of original size [2020-10-20 06:20:47,062 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-10-20 06:20:47,063 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:44, output treesize:28 [2020-10-20 06:20:47,220 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2020-10-20 06:20:47,221 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:20:47,362 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-20 06:20:47,736 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-10-20 06:20:48,086 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-10-20 06:20:48,088 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-20 06:20:48,098 INFO L441 ElimStorePlain]: Different costs {2=[|#length|], 3=[|#valid|]} [2020-10-20 06:20:48,108 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-20 06:20:48,118 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2020-10-20 06:20:48,119 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 06:20:48,133 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 9 [2020-10-20 06:20:48,133 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 06:20:48,200 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:20:48,230 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:20:48,230 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2020-10-20 06:20:48,231 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-20 06:20:48,252 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:20:48,253 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2020-10-20 06:20:48,253 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-20 06:20:48,320 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:20:48,322 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2020-10-20 06:20:48,323 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:72, output treesize:39 [2020-10-20 06:20:48,781 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 19 [2020-10-20 06:20:49,002 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-10-20 06:20:49,098 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2020-10-20 06:20:49,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:20:49,099 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2020-10-20 06:20:49,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913733465] [2020-10-20 06:20:49,100 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-20 06:20:49,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:20:49,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-20 06:20:49,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2020-10-20 06:20:49,101 INFO L87 Difference]: Start difference. First operand 313 states and 359 transitions. Second operand 15 states. [2020-10-20 06:20:49,645 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2020-10-20 06:20:50,160 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 28 [2020-10-20 06:20:51,435 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-10-20 06:20:53,402 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 19 [2020-10-20 06:20:58,351 WARN L193 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 35 DAG size of output: 25 [2020-10-20 06:21:05,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:21:05,228 INFO L93 Difference]: Finished difference Result 410 states and 451 transitions. [2020-10-20 06:21:05,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-20 06:21:05,229 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 60 [2020-10-20 06:21:05,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:21:05,234 INFO L225 Difference]: With dead ends: 410 [2020-10-20 06:21:05,234 INFO L226 Difference]: Without dead ends: 410 [2020-10-20 06:21:05,234 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=150, Invalid=402, Unknown=0, NotChecked=0, Total=552 [2020-10-20 06:21:05,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2020-10-20 06:21:05,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 312. [2020-10-20 06:21:05,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2020-10-20 06:21:05,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 355 transitions. [2020-10-20 06:21:05,246 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 355 transitions. Word has length 60 [2020-10-20 06:21:05,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:21:05,247 INFO L481 AbstractCegarLoop]: Abstraction has 312 states and 355 transitions. [2020-10-20 06:21:05,247 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-20 06:21:05,247 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 355 transitions. [2020-10-20 06:21:05,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-20 06:21:05,251 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:21:05,251 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:21:05,862 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 cvc4 --incremental --print-success --lang smt --rewrite-divk,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 mathsat -unsat_core_generation=3 [2020-10-20 06:21:05,864 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr6REQUIRES_VIOLATION, vasprintfErr7REQUIRES_VIOLATION, vasprintfErr5REQUIRES_VIOLATION, vasprintfErr10REQUIRES_VIOLATION, vasprintfErr0REQUIRES_VIOLATION, vasprintfErr11REQUIRES_VIOLATION, vasprintfErr9REQUIRES_VIOLATION, vasprintfErr4REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION, vasprintfErr8REQUIRES_VIOLATION, getutentErr7REQUIRES_VIOLATION, getutentErr6REQUIRES_VIOLATION, getutentErr1REQUIRES_VIOLATION, getutentErr0REQUIRES_VIOLATION, getutentErr5REQUIRES_VIOLATION, getutentErr4REQUIRES_VIOLATION, getutentErr3REQUIRES_VIOLATION, getutentErr2REQUIRES_VIOLATION, __mainErr5REQUIRES_VIOLATION, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr6REQUIRES_VIOLATION, __mainErr8REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr31REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr1REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr24REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr16REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr37REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr41REQUIRES_VIOLATION, __mainErr18REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr40REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr11REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr13REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr36REQUIRES_VIOLATION, __mainErr14REQUIRES_VIOLATION, readErr1REQUIRES_VIOLATION, readErr0REQUIRES_VIOLATION, getoptErr2REQUIRES_VIOLATION, getoptErr13REQUIRES_VIOLATION, getoptErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr3REQUIRES_VIOLATION, getoptErr10REQUIRES_VIOLATION, getoptErr0REQUIRES_VIOLATION, getoptErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr11REQUIRES_VIOLATION, getoptErr1REQUIRES_VIOLATION, getoptErr12REQUIRES_VIOLATION, getoptErr8REQUIRES_VIOLATION, getoptErr9REQUIRES_VIOLATION, getoptErr6REQUIRES_VIOLATION, getoptErr7REQUIRES_VIOLATION, getopt_longErr2REQUIRES_VIOLATION, getopt_longErr3REQUIRES_VIOLATION, getopt_longErr4REQUIRES_VIOLATION, getopt_longErr5REQUIRES_VIOLATION, getopt_longErr0REQUIRES_VIOLATION, getopt_longErr6REQUIRES_VIOLATION, getopt_longErr1REQUIRES_VIOLATION, getopt_longErr7REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr33ASSERT_VIOLATIONMEMORY_FREE, mainErr34ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr32ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr4REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr1REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr0REQUIRES_VIOLATION]=== [2020-10-20 06:21:05,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:21:05,865 INFO L82 PathProgramCache]: Analyzing trace with hash 335002226, now seen corresponding path program 1 times [2020-10-20 06:21:05,866 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:21:05,866 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1613920774] [2020-10-20 06:21:05,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2020-10-20 06:21:06,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:21:06,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 06:21:06,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:21:06,453 INFO L350 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2020-10-20 06:21:06,453 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2020-10-20 06:21:06,454 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:21:06,462 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:21:06,463 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 06:21:06,463 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:9, output treesize:11 [2020-10-20 06:21:06,517 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:21:06,518 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 28 [2020-10-20 06:21:06,519 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:21:06,543 INFO L625 ElimStorePlain]: treesize reduction 14, result has 44.0 percent of original size [2020-10-20 06:21:06,544 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 06:21:06,544 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:11 [2020-10-20 06:21:06,557 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2020-10-20 06:21:06,558 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 06:21:06,601 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2020-10-20 06:21:06,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1613920774] [2020-10-20 06:21:06,602 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:21:06,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 06:21:06,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113724393] [2020-10-20 06:21:06,602 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 06:21:06,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 06:21:06,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:21:06,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:21:06,604 INFO L87 Difference]: Start difference. First operand 312 states and 355 transitions. Second operand 3 states. [2020-10-20 06:21:06,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:21:06,937 INFO L93 Difference]: Finished difference Result 319 states and 362 transitions. [2020-10-20 06:21:06,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:21:06,938 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-10-20 06:21:06,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:21:06,940 INFO L225 Difference]: With dead ends: 319 [2020-10-20 06:21:06,940 INFO L226 Difference]: Without dead ends: 319 [2020-10-20 06:21:06,941 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 120 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:21:06,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2020-10-20 06:21:06,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 316. [2020-10-20 06:21:06,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2020-10-20 06:21:06,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 362 transitions. [2020-10-20 06:21:06,949 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 362 transitions. Word has length 62 [2020-10-20 06:21:06,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:21:06,950 INFO L481 AbstractCegarLoop]: Abstraction has 316 states and 362 transitions. [2020-10-20 06:21:06,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 06:21:06,950 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 362 transitions. [2020-10-20 06:21:06,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-20 06:21:06,951 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:21:06,951 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:21:07,164 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 mathsat -unsat_core_generation=3 [2020-10-20 06:21:07,165 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, bb_get_last_path_component_nostripErr1REQUIRES_VIOLATION, bb_get_last_path_component_nostripErr0REQUIRES_VIOLATION, vasprintfErr1REQUIRES_VIOLATION, vasprintfErr6REQUIRES_VIOLATION, vasprintfErr7REQUIRES_VIOLATION, vasprintfErr5REQUIRES_VIOLATION, vasprintfErr10REQUIRES_VIOLATION, vasprintfErr0REQUIRES_VIOLATION, vasprintfErr11REQUIRES_VIOLATION, vasprintfErr9REQUIRES_VIOLATION, vasprintfErr4REQUIRES_VIOLATION, vasprintfErr2REQUIRES_VIOLATION, vasprintfErr3REQUIRES_VIOLATION, vasprintfErr8REQUIRES_VIOLATION, getutentErr7REQUIRES_VIOLATION, getutentErr6REQUIRES_VIOLATION, getutentErr1REQUIRES_VIOLATION, getutentErr0REQUIRES_VIOLATION, getutentErr5REQUIRES_VIOLATION, getutentErr4REQUIRES_VIOLATION, getutentErr3REQUIRES_VIOLATION, getutentErr2REQUIRES_VIOLATION, __mainErr5REQUIRES_VIOLATION, __mainErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr28REQUIRES_VIOLATION, __mainErr6REQUIRES_VIOLATION, __mainErr8REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr31REQUIRES_VIOLATION, __mainErr9REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr1REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr24REQUIRES_VIOLATION, __mainErr4REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr16REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr37REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr41REQUIRES_VIOLATION, __mainErr18REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr40REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr11REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr13REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr36REQUIRES_VIOLATION, __mainErr14REQUIRES_VIOLATION, readErr1REQUIRES_VIOLATION, readErr0REQUIRES_VIOLATION, getoptErr2REQUIRES_VIOLATION, getoptErr13REQUIRES_VIOLATION, getoptErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr3REQUIRES_VIOLATION, getoptErr10REQUIRES_VIOLATION, getoptErr0REQUIRES_VIOLATION, getoptErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr11REQUIRES_VIOLATION, getoptErr1REQUIRES_VIOLATION, getoptErr12REQUIRES_VIOLATION, getoptErr8REQUIRES_VIOLATION, getoptErr9REQUIRES_VIOLATION, getoptErr6REQUIRES_VIOLATION, getoptErr7REQUIRES_VIOLATION, getopt_longErr2REQUIRES_VIOLATION, getopt_longErr3REQUIRES_VIOLATION, getopt_longErr4REQUIRES_VIOLATION, getopt_longErr5REQUIRES_VIOLATION, getopt_longErr0REQUIRES_VIOLATION, getopt_longErr6REQUIRES_VIOLATION, getopt_longErr1REQUIRES_VIOLATION, getopt_longErr7REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr33ASSERT_VIOLATIONMEMORY_FREE, mainErr34ENSURES_VIOLATIONMEMORY_LEAK, mainErr4REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr16REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr32ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr4REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr1REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr0REQUIRES_VIOLATION]=== [2020-10-20 06:21:07,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:21:07,166 INFO L82 PathProgramCache]: Analyzing trace with hash 335002227, now seen corresponding path program 1 times [2020-10-20 06:21:07,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 06:21:07,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [171042439] [2020-10-20 06:21:07,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2020-10-20 06:21:07,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:21:07,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 12 conjunts are in the unsatisfiable core [2020-10-20 06:21:07,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:21:07,830 INFO L350 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2020-10-20 06:21:07,831 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2020-10-20 06:21:07,831 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:21:07,882 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:21:07,933 INFO L350 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2020-10-20 06:21:07,934 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 19 [2020-10-20 06:21:07,934 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 06:21:07,995 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:21:07,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [171042439] [2020-10-20 06:21:07,996 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 06:21:07,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1175804514] [2020-10-20 06:21:07,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2020-10-20 06:21:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:21:09,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 20 conjunts are in the unsatisfiable core [2020-10-20 06:21:09,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:21:09,277 INFO L441 ElimStorePlain]: Different costs {0=[|v_#length_196|], 3=[|v_#valid_212|]} [2020-10-20 06:21:09,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-20 06:21:09,286 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 19 [2020-10-20 06:21:09,286 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:21:09,321 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:21:09,344 INFO L350 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2020-10-20 06:21:09,344 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2020-10-20 06:21:09,346 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 06:21:09,380 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:21:09,381 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 06:21:09,381 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:47, output treesize:45 [2020-10-20 06:21:09,505 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 06:21:09,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965750305] [2020-10-20 06:21:09,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 06:21:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:21:09,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 13 conjunts are in the unsatisfiable core [2020-10-20 06:21:09,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:21:09,934 INFO L350 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2020-10-20 06:21:09,934 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 19 [2020-10-20 06:21:09,934 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-20 06:21:09,969 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:21:09,996 INFO L350 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2020-10-20 06:21:09,996 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2020-10-20 06:21:09,997 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 06:21:10,043 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 06:21:10,044 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 06:21:10,044 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:36, output treesize:38 [2020-10-20 06:21:10,251 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: no int: (_ BitVec 32) [2020-10-20 06:21:10,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:21:10,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-10-20 06:21:10,251 ERROR L205 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2020-10-20 06:21:10,251 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 06:21:10,869 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 mathsat -unsat_core_generation=3,16 cvc4 --incremental --print-success --lang smt --rewrite-divk,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-20 06:21:10,886 WARN L238 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-10-20 06:21:10,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:21:10 BoogieIcfgContainer [2020-10-20 06:21:10,887 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 06:21:10,888 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:21:10,888 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:21:10,888 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:21:10,889 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:20:25" (3/4) ... [2020-10-20 06:21:10,892 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:21:10,893 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:21:10,894 INFO L168 Benchmark]: Toolchain (without parser) took 50252.88 ms. Allocated memory was 34.6 MB in the beginning and 131.6 MB in the end (delta: 97.0 MB). Free memory was 9.6 MB in the beginning and 85.5 MB in the end (delta: -75.9 MB). Peak memory consumption was 21.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:21:10,895 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 33.0 MB. Free memory was 18.4 MB in the beginning and 18.3 MB in the end (delta: 31.8 kB). Peak memory consumption was 31.8 kB. Max. memory is 14.3 GB. [2020-10-20 06:21:10,895 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1407.09 ms. Allocated memory was 34.6 MB in the beginning and 51.9 MB in the end (delta: 17.3 MB). Free memory was 8.8 MB in the beginning and 18.6 MB in the end (delta: -9.9 MB). Peak memory consumption was 15.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:21:10,896 INFO L168 Benchmark]: Boogie Preprocessor took 252.89 ms. Allocated memory was 51.9 MB in the beginning and 57.1 MB in the end (delta: 5.2 MB). Free memory was 18.6 MB in the beginning and 31.0 MB in the end (delta: -12.3 MB). Peak memory consumption was 8.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:21:10,896 INFO L168 Benchmark]: RCFGBuilder took 2765.75 ms. Allocated memory was 57.1 MB in the beginning and 79.7 MB in the end (delta: 22.5 MB). Free memory was 31.0 MB in the beginning and 39.9 MB in the end (delta: -8.9 MB). Peak memory consumption was 38.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:21:10,897 INFO L168 Benchmark]: TraceAbstraction took 45811.85 ms. Allocated memory was 79.7 MB in the beginning and 131.6 MB in the end (delta: 51.9 MB). Free memory was 39.9 MB in the beginning and 87.3 MB in the end (delta: -47.5 MB). Peak memory consumption was 4.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:21:10,897 INFO L168 Benchmark]: Witness Printer took 5.27 ms. Allocated memory is still 131.6 MB. Free memory was 87.3 MB in the beginning and 85.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. [2020-10-20 06:21:10,899 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 33.0 MB. Free memory was 18.4 MB in the beginning and 18.3 MB in the end (delta: 31.8 kB). Peak memory consumption was 31.8 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1407.09 ms. Allocated memory was 34.6 MB in the beginning and 51.9 MB in the end (delta: 17.3 MB). Free memory was 8.8 MB in the beginning and 18.6 MB in the end (delta: -9.9 MB). Peak memory consumption was 15.4 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 252.89 ms. Allocated memory was 51.9 MB in the beginning and 57.1 MB in the end (delta: 5.2 MB). Free memory was 18.6 MB in the beginning and 31.0 MB in the end (delta: -12.3 MB). Peak memory consumption was 8.0 MB. Max. memory is 14.3 GB. * RCFGBuilder took 2765.75 ms. Allocated memory was 57.1 MB in the beginning and 79.7 MB in the end (delta: 22.5 MB). Free memory was 31.0 MB in the beginning and 39.9 MB in the end (delta: -8.9 MB). Peak memory consumption was 38.1 MB. Max. memory is 14.3 GB. * TraceAbstraction took 45811.85 ms. Allocated memory was 79.7 MB in the beginning and 131.6 MB in the end (delta: 51.9 MB). Free memory was 39.9 MB in the beginning and 87.3 MB in the end (delta: -47.5 MB). Peak memory consumption was 4.4 MB. Max. memory is 14.3 GB. * Witness Printer took 5.27 ms. Allocated memory is still 131.6 MB. Free memory was 87.3 MB in the beginning and 85.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1609]: 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; [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 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() [L1600] optind = 1 [L1601] int argc = __VERIFIER_nondet_int(); [L1602] CALL assume_abort_if_not(argc >= 1 && argc <= 10000) [L9] COND FALSE !(!cond) [L1602] RET assume_abort_if_not(argc >= 1 && argc <= 10000) [L1603] char **argv=malloc((argc+1)*sizeof(char*)); [L1604] char **mem_track=malloc((argc+1)*sizeof(char*)); [L1605] argv[argc]=0 [L1606] int i=0; [L1606] COND TRUE i