./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_32021265-257f-4482-bbe7-0ef1bd80d49b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_32021265-257f-4482-bbe7-0ef1bd80d49b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_32021265-257f-4482-bbe7-0ef1bd80d49b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_32021265-257f-4482-bbe7-0ef1bd80d49b/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_32021265-257f-4482-bbe7-0ef1bd80d49b/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_32021265-257f-4482-bbe7-0ef1bd80d49b/bin/uautomizer --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 c57ebc44b313bf301635c00d4458ecfdd41286b1 ......................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_32021265-257f-4482-bbe7-0ef1bd80d49b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_32021265-257f-4482-bbe7-0ef1bd80d49b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_32021265-257f-4482-bbe7-0ef1bd80d49b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_32021265-257f-4482-bbe7-0ef1bd80d49b/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_32021265-257f-4482-bbe7-0ef1bd80d49b/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_32021265-257f-4482-bbe7-0ef1bd80d49b/bin/uautomizer --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 c57ebc44b313bf301635c00d4458ecfdd41286b1 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 15:21:21,071 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:21:21,073 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:21:21,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:21:21,080 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:21:21,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:21:21,082 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:21:21,084 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:21:21,086 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:21:21,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:21:21,087 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:21:21,088 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:21:21,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:21:21,090 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:21:21,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:21:21,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:21:21,092 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:21:21,093 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:21:21,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:21:21,096 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:21:21,097 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:21:21,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:21:21,098 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:21:21,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:21:21,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:21:21,100 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:21:21,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:21:21,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:21:21,101 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:21:21,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:21:21,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:21:21,102 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:21:21,103 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:21:21,104 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:21:21,104 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:21:21,105 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:21:21,105 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:21:21,105 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:21:21,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:21:21,106 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:21:21,107 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:21:21,107 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_32021265-257f-4482-bbe7-0ef1bd80d49b/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-12-07 15:21:21,120 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:21:21,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:21:21,121 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 15:21:21,121 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 15:21:21,121 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 15:21:21,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:21:21,122 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 15:21:21,122 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:21:21,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:21:21,122 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 15:21:21,122 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 15:21:21,122 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 15:21:21,123 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:21:21,123 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 15:21:21,123 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:21:21,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:21:21,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:21:21,124 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:21:21,124 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:21:21,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:21:21,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:21:21,124 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:21:21,125 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 15:21:21,125 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 15:21:21,125 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:21:21,125 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_32021265-257f-4482-bbe7-0ef1bd80d49b/bin/uautomizer 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 -> c57ebc44b313bf301635c00d4458ecfdd41286b1 [2019-12-07 15:21:21,232 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:21:21,240 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:21:21,242 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:21:21,244 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:21:21,244 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:21:21,245 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_32021265-257f-4482-bbe7-0ef1bd80d49b/bin/uautomizer/../../sv-benchmarks/c/busybox-1.22.0/basename-2.i [2019-12-07 15:21:21,288 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_32021265-257f-4482-bbe7-0ef1bd80d49b/bin/uautomizer/data/3d3ab3dae/f1c9947d3970477aa167461697e69751/FLAGf51571a88 [2019-12-07 15:21:21,749 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:21:21,750 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_32021265-257f-4482-bbe7-0ef1bd80d49b/sv-benchmarks/c/busybox-1.22.0/basename-2.i [2019-12-07 15:21:21,763 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_32021265-257f-4482-bbe7-0ef1bd80d49b/bin/uautomizer/data/3d3ab3dae/f1c9947d3970477aa167461697e69751/FLAGf51571a88 [2019-12-07 15:21:22,061 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_32021265-257f-4482-bbe7-0ef1bd80d49b/bin/uautomizer/data/3d3ab3dae/f1c9947d3970477aa167461697e69751 [2019-12-07 15:21:22,064 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:21:22,066 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-07 15:21:22,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:21:22,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:21:22,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:21:22,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:21:22" (1/1) ... [2019-12-07 15:21:22,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@302eaf95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:21:22, skipping insertion in model container [2019-12-07 15:21:22,078 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:21:22" (1/1) ... [2019-12-07 15:21:22,086 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:21:22,127 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:21:22,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:21:22,529 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) [2019-12-07 15:21:22,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@392eb9c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:21:22, skipping insertion in model container [2019-12-07 15:21:22,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:21:22,529 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-12-07 15:21:22,531 INFO L168 Benchmark]: Toolchain (without parser) took 465.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -143.8 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2019-12-07 15:21:22,531 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:21:22,532 INFO L168 Benchmark]: CACSL2BoogieTranslator took 462.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -143.8 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2019-12-07 15:21:22,533 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 462.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -143.8 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1501]: 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-f470102 [2019-12-07 15:21:23,661 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:21:23,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:21:23,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:21:23,671 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:21:23,671 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:21:23,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:21:23,675 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:21:23,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:21:23,677 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:21:23,678 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:21:23,679 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:21:23,679 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:21:23,680 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:21:23,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:21:23,681 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:21:23,682 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:21:23,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:21:23,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:21:23,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:21:23,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:21:23,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:21:23,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:21:23,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:21:23,692 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:21:23,692 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:21:23,693 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:21:23,693 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:21:23,694 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:21:23,695 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:21:23,695 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:21:23,695 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:21:23,696 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:21:23,696 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:21:23,697 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:21:23,697 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:21:23,698 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:21:23,698 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:21:23,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:21:23,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:21:23,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:21:23,700 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_32021265-257f-4482-bbe7-0ef1bd80d49b/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-12-07 15:21:23,713 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:21:23,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:21:23,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 15:21:23,714 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 15:21:23,715 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 15:21:23,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:21:23,715 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 15:21:23,715 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:21:23,715 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:21:23,716 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-07 15:21:23,716 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-07 15:21:23,716 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-07 15:21:23,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:21:23,716 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 15:21:23,717 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 15:21:23,717 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 15:21:23,717 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:21:23,717 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:21:23,717 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:21:23,718 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:21:23,718 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:21:23,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:21:23,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:21:23,718 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:21:23,719 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 15:21:23,719 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 15:21:23,719 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:21:23,719 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 15:21:23,719 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_32021265-257f-4482-bbe7-0ef1bd80d49b/bin/uautomizer 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 -> c57ebc44b313bf301635c00d4458ecfdd41286b1 [2019-12-07 15:21:23,891 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:21:23,902 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:21:23,905 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:21:23,906 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:21:23,907 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:21:23,907 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_32021265-257f-4482-bbe7-0ef1bd80d49b/bin/uautomizer/../../sv-benchmarks/c/busybox-1.22.0/basename-2.i [2019-12-07 15:21:23,947 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_32021265-257f-4482-bbe7-0ef1bd80d49b/bin/uautomizer/data/247b2149d/0b0bd87ca2f347d080d7fc52697abe3c/FLAG7211cffa3 [2019-12-07 15:21:24,462 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:21:24,462 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_32021265-257f-4482-bbe7-0ef1bd80d49b/sv-benchmarks/c/busybox-1.22.0/basename-2.i [2019-12-07 15:21:24,475 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_32021265-257f-4482-bbe7-0ef1bd80d49b/bin/uautomizer/data/247b2149d/0b0bd87ca2f347d080d7fc52697abe3c/FLAG7211cffa3 [2019-12-07 15:21:24,928 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_32021265-257f-4482-bbe7-0ef1bd80d49b/bin/uautomizer/data/247b2149d/0b0bd87ca2f347d080d7fc52697abe3c [2019-12-07 15:21:24,930 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:21:24,930 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-07 15:21:24,931 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:21:24,931 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:21:24,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:21:24,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:21:24" (1/1) ... [2019-12-07 15:21:24,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c6fdb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:21:24, skipping insertion in model container [2019-12-07 15:21:24,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:21:24" (1/1) ... [2019-12-07 15:21:24,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:21:24,972 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:21:25,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:21:25,384 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 15:21:25,395 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:21:25,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:21:25,449 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:21:25,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:21:25,636 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:21:25,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:21:25 WrapperNode [2019-12-07 15:21:25,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:21:25,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:21:25,637 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:21:25,637 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:21:25,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:21:25" (1/1) ... [2019-12-07 15:21:25,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:21:25" (1/1) ... [2019-12-07 15:21:25,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:21:25" (1/1) ... [2019-12-07 15:21:25,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:21:25" (1/1) ... [2019-12-07 15:21:25,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:21:25" (1/1) ... [2019-12-07 15:21:25,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:21:25" (1/1) ... [2019-12-07 15:21:25,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:21:25" (1/1) ... [2019-12-07 15:21:25,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:21:25,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:21:25,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:21:25,737 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:21:25,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:21:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32021265-257f-4482-bbe7-0ef1bd80d49b/bin/uautomizer/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 [2019-12-07 15:21:25,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-12-07 15:21:25,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:21:25,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2019-12-07 15:21:25,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-12-07 15:21:25,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-12-07 15:21:25,779 INFO L138 BoogieDeclarations]: Found implementation of procedure syslog [2019-12-07 15:21:25,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __main [2019-12-07 15:21:25,779 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_get_last_path_component_nostrip [2019-12-07 15:21:25,779 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_get_last_path_component_strip [2019-12-07 15:21:25,779 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_show_usage [2019-12-07 15:21:25,779 INFO L138 BoogieDeclarations]: Found implementation of procedure full_write [2019-12-07 15:21:25,779 INFO L138 BoogieDeclarations]: Found implementation of procedure last_char_is [2019-12-07 15:21:25,779 INFO L138 BoogieDeclarations]: Found implementation of procedure safe_write [2019-12-07 15:21:25,779 INFO L138 BoogieDeclarations]: Found implementation of procedure getutent [2019-12-07 15:21:25,780 INFO L138 BoogieDeclarations]: Found implementation of procedure getopt [2019-12-07 15:21:25,780 INFO L138 BoogieDeclarations]: Found implementation of procedure getopt_long [2019-12-07 15:21:25,780 INFO L138 BoogieDeclarations]: Found implementation of procedure read [2019-12-07 15:21:25,780 INFO L138 BoogieDeclarations]: Found implementation of procedure vasprintf [2019-12-07 15:21:25,780 INFO L138 BoogieDeclarations]: Found implementation of procedure write [2019-12-07 15:21:25,780 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-12-07 15:21:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-12-07 15:21:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-12-07 15:21:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-12-07 15:21:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-12-07 15:21:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-12-07 15:21:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2019-12-07 15:21:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-12-07 15:21:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-12-07 15:21:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-12-07 15:21:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-12-07 15:21:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_b_loc [2019-12-07 15:21:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_tolower_loc [2019-12-07 15:21:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_toupper_loc [2019-12-07 15:21:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure isalnum [2019-12-07 15:21:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure isalpha [2019-12-07 15:21:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure iscntrl [2019-12-07 15:21:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure isdigit [2019-12-07 15:21:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure islower [2019-12-07 15:21:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure isgraph [2019-12-07 15:21:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure isprint [2019-12-07 15:21:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure ispunct [2019-12-07 15:21:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure isspace [2019-12-07 15:21:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure isupper [2019-12-07 15:21:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure isxdigit [2019-12-07 15:21:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure tolower [2019-12-07 15:21:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure toupper [2019-12-07 15:21:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure isblank [2019-12-07 15:21:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure isascii [2019-12-07 15:21:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure toascii [2019-12-07 15:21:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure _toupper [2019-12-07 15:21:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure _tolower [2019-12-07 15:21:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure isalnum_l [2019-12-07 15:21:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure isalpha_l [2019-12-07 15:21:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure iscntrl_l [2019-12-07 15:21:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure isdigit_l [2019-12-07 15:21:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure islower_l [2019-12-07 15:21:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure isgraph_l [2019-12-07 15:21:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure isprint_l [2019-12-07 15:21:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure ispunct_l [2019-12-07 15:21:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure isspace_l [2019-12-07 15:21:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure isupper_l [2019-12-07 15:21:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure isxdigit_l [2019-12-07 15:21:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure isblank_l [2019-12-07 15:21:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure __tolower_l [2019-12-07 15:21:25,785 INFO L130 BoogieDeclarations]: Found specification of procedure tolower_l [2019-12-07 15:21:25,785 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper_l [2019-12-07 15:21:25,785 INFO L130 BoogieDeclarations]: Found specification of procedure toupper_l [2019-12-07 15:21:25,785 INFO L130 BoogieDeclarations]: Found specification of procedure getopt [2019-12-07 15:21:25,785 INFO L130 BoogieDeclarations]: Found specification of procedure getopt_long [2019-12-07 15:21:25,785 INFO L130 BoogieDeclarations]: Found specification of procedure getopt_long_only [2019-12-07 15:21:25,785 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-12-07 15:21:25,785 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2019-12-07 15:21:25,785 INFO L130 BoogieDeclarations]: Found specification of procedure memccpy [2019-12-07 15:21:25,785 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-12-07 15:21:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-12-07 15:21:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2019-12-07 15:21:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2019-12-07 15:21:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2019-12-07 15:21:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2019-12-07 15:21:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure strncat [2019-12-07 15:21:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-12-07 15:21:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2019-12-07 15:21:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll [2019-12-07 15:21:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm [2019-12-07 15:21:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure strcoll_l [2019-12-07 15:21:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure strxfrm_l [2019-12-07 15:21:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure strdup [2019-12-07 15:21:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure strndup [2019-12-07 15:21:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2019-12-07 15:21:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2019-12-07 15:21:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure strcspn [2019-12-07 15:21:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure strspn [2019-12-07 15:21:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure strpbrk [2019-12-07 15:21:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2019-12-07 15:21:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure strtok [2019-12-07 15:21:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure __strtok_r [2019-12-07 15:21:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure strtok_r [2019-12-07 15:21:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-12-07 15:21:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2019-12-07 15:21:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2019-12-07 15:21:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_r [2019-12-07 15:21:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure strerror_l [2019-12-07 15:21:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure __bzero [2019-12-07 15:21:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure bcopy [2019-12-07 15:21:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure bzero [2019-12-07 15:21:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure bcmp [2019-12-07 15:21:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure index [2019-12-07 15:21:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure rindex [2019-12-07 15:21:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2019-12-07 15:21:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2019-12-07 15:21:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure strncasecmp [2019-12-07 15:21:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2019-12-07 15:21:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure strsignal [2019-12-07 15:21:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure __stpcpy [2019-12-07 15:21:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure stpcpy [2019-12-07 15:21:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure __stpncpy [2019-12-07 15:21:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure stpncpy [2019-12-07 15:21:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure access [2019-12-07 15:21:25,790 INFO L130 BoogieDeclarations]: Found specification of procedure faccessat [2019-12-07 15:21:25,790 INFO L130 BoogieDeclarations]: Found specification of procedure lseek [2019-12-07 15:21:25,790 INFO L130 BoogieDeclarations]: Found specification of procedure close [2019-12-07 15:21:25,790 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-12-07 15:21:25,790 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-12-07 15:21:25,790 INFO L130 BoogieDeclarations]: Found specification of procedure pread [2019-12-07 15:21:25,790 INFO L130 BoogieDeclarations]: Found specification of procedure pwrite [2019-12-07 15:21:25,790 INFO L130 BoogieDeclarations]: Found specification of procedure pipe [2019-12-07 15:21:25,790 INFO L130 BoogieDeclarations]: Found specification of procedure alarm [2019-12-07 15:21:25,791 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2019-12-07 15:21:25,791 INFO L130 BoogieDeclarations]: Found specification of procedure ualarm [2019-12-07 15:21:25,791 INFO L130 BoogieDeclarations]: Found specification of procedure usleep [2019-12-07 15:21:25,791 INFO L130 BoogieDeclarations]: Found specification of procedure pause [2019-12-07 15:21:25,791 INFO L130 BoogieDeclarations]: Found specification of procedure chown [2019-12-07 15:21:25,791 INFO L130 BoogieDeclarations]: Found specification of procedure fchown [2019-12-07 15:21:25,791 INFO L130 BoogieDeclarations]: Found specification of procedure lchown [2019-12-07 15:21:25,791 INFO L130 BoogieDeclarations]: Found specification of procedure fchownat [2019-12-07 15:21:25,791 INFO L130 BoogieDeclarations]: Found specification of procedure chdir [2019-12-07 15:21:25,792 INFO L130 BoogieDeclarations]: Found specification of procedure fchdir [2019-12-07 15:21:25,792 INFO L130 BoogieDeclarations]: Found specification of procedure getcwd [2019-12-07 15:21:25,792 INFO L130 BoogieDeclarations]: Found specification of procedure getwd [2019-12-07 15:21:25,792 INFO L130 BoogieDeclarations]: Found specification of procedure dup [2019-12-07 15:21:25,792 INFO L130 BoogieDeclarations]: Found specification of procedure dup2 [2019-12-07 15:21:25,792 INFO L130 BoogieDeclarations]: Found specification of procedure execve [2019-12-07 15:21:25,792 INFO L130 BoogieDeclarations]: Found specification of procedure fexecve [2019-12-07 15:21:25,792 INFO L130 BoogieDeclarations]: Found specification of procedure execv [2019-12-07 15:21:25,792 INFO L130 BoogieDeclarations]: Found specification of procedure execle [2019-12-07 15:21:25,793 INFO L130 BoogieDeclarations]: Found specification of procedure execl [2019-12-07 15:21:25,793 INFO L130 BoogieDeclarations]: Found specification of procedure execvp [2019-12-07 15:21:25,793 INFO L130 BoogieDeclarations]: Found specification of procedure execlp [2019-12-07 15:21:25,793 INFO L130 BoogieDeclarations]: Found specification of procedure nice [2019-12-07 15:21:25,793 INFO L130 BoogieDeclarations]: Found specification of procedure _exit [2019-12-07 15:21:25,793 INFO L130 BoogieDeclarations]: Found specification of procedure pathconf [2019-12-07 15:21:25,793 INFO L130 BoogieDeclarations]: Found specification of procedure fpathconf [2019-12-07 15:21:25,793 INFO L130 BoogieDeclarations]: Found specification of procedure sysconf [2019-12-07 15:21:25,793 INFO L130 BoogieDeclarations]: Found specification of procedure confstr [2019-12-07 15:21:25,793 INFO L130 BoogieDeclarations]: Found specification of procedure getpid [2019-12-07 15:21:25,794 INFO L130 BoogieDeclarations]: Found specification of procedure getppid [2019-12-07 15:21:25,794 INFO L130 BoogieDeclarations]: Found specification of procedure getpgrp [2019-12-07 15:21:25,794 INFO L130 BoogieDeclarations]: Found specification of procedure __getpgid [2019-12-07 15:21:25,794 INFO L130 BoogieDeclarations]: Found specification of procedure getpgid [2019-12-07 15:21:25,794 INFO L130 BoogieDeclarations]: Found specification of procedure setpgid [2019-12-07 15:21:25,794 INFO L130 BoogieDeclarations]: Found specification of procedure setpgrp [2019-12-07 15:21:25,794 INFO L130 BoogieDeclarations]: Found specification of procedure setsid [2019-12-07 15:21:25,794 INFO L130 BoogieDeclarations]: Found specification of procedure getsid [2019-12-07 15:21:25,794 INFO L130 BoogieDeclarations]: Found specification of procedure getuid [2019-12-07 15:21:25,794 INFO L130 BoogieDeclarations]: Found specification of procedure geteuid [2019-12-07 15:21:25,795 INFO L130 BoogieDeclarations]: Found specification of procedure getgid [2019-12-07 15:21:25,795 INFO L130 BoogieDeclarations]: Found specification of procedure getegid [2019-12-07 15:21:25,795 INFO L130 BoogieDeclarations]: Found specification of procedure getgroups [2019-12-07 15:21:25,795 INFO L130 BoogieDeclarations]: Found specification of procedure setuid [2019-12-07 15:21:25,795 INFO L130 BoogieDeclarations]: Found specification of procedure setreuid [2019-12-07 15:21:25,795 INFO L130 BoogieDeclarations]: Found specification of procedure seteuid [2019-12-07 15:21:25,795 INFO L130 BoogieDeclarations]: Found specification of procedure setgid [2019-12-07 15:21:25,795 INFO L130 BoogieDeclarations]: Found specification of procedure setregid [2019-12-07 15:21:25,795 INFO L130 BoogieDeclarations]: Found specification of procedure setegid [2019-12-07 15:21:25,795 INFO L130 BoogieDeclarations]: Found specification of procedure fork [2019-12-07 15:21:25,796 INFO L130 BoogieDeclarations]: Found specification of procedure vfork [2019-12-07 15:21:25,796 INFO L130 BoogieDeclarations]: Found specification of procedure ttyname [2019-12-07 15:21:25,796 INFO L130 BoogieDeclarations]: Found specification of procedure ttyname_r [2019-12-07 15:21:25,796 INFO L130 BoogieDeclarations]: Found specification of procedure isatty [2019-12-07 15:21:25,796 INFO L130 BoogieDeclarations]: Found specification of procedure ttyslot [2019-12-07 15:21:25,796 INFO L130 BoogieDeclarations]: Found specification of procedure link [2019-12-07 15:21:25,796 INFO L130 BoogieDeclarations]: Found specification of procedure linkat [2019-12-07 15:21:25,796 INFO L130 BoogieDeclarations]: Found specification of procedure symlink [2019-12-07 15:21:25,796 INFO L130 BoogieDeclarations]: Found specification of procedure readlink [2019-12-07 15:21:25,796 INFO L130 BoogieDeclarations]: Found specification of procedure symlinkat [2019-12-07 15:21:25,797 INFO L130 BoogieDeclarations]: Found specification of procedure readlinkat [2019-12-07 15:21:25,797 INFO L130 BoogieDeclarations]: Found specification of procedure unlink [2019-12-07 15:21:25,797 INFO L130 BoogieDeclarations]: Found specification of procedure unlinkat [2019-12-07 15:21:25,797 INFO L130 BoogieDeclarations]: Found specification of procedure rmdir [2019-12-07 15:21:25,797 INFO L130 BoogieDeclarations]: Found specification of procedure tcgetpgrp [2019-12-07 15:21:25,797 INFO L130 BoogieDeclarations]: Found specification of procedure tcsetpgrp [2019-12-07 15:21:25,797 INFO L130 BoogieDeclarations]: Found specification of procedure getlogin [2019-12-07 15:21:25,797 INFO L130 BoogieDeclarations]: Found specification of procedure getlogin_r [2019-12-07 15:21:25,797 INFO L130 BoogieDeclarations]: Found specification of procedure setlogin [2019-12-07 15:21:25,797 INFO L130 BoogieDeclarations]: Found specification of procedure gethostname [2019-12-07 15:21:25,798 INFO L130 BoogieDeclarations]: Found specification of procedure sethostname [2019-12-07 15:21:25,798 INFO L130 BoogieDeclarations]: Found specification of procedure sethostid [2019-12-07 15:21:25,798 INFO L130 BoogieDeclarations]: Found specification of procedure getdomainname [2019-12-07 15:21:25,798 INFO L130 BoogieDeclarations]: Found specification of procedure setdomainname [2019-12-07 15:21:25,798 INFO L130 BoogieDeclarations]: Found specification of procedure vhangup [2019-12-07 15:21:25,798 INFO L130 BoogieDeclarations]: Found specification of procedure revoke [2019-12-07 15:21:25,798 INFO L130 BoogieDeclarations]: Found specification of procedure profil [2019-12-07 15:21:25,798 INFO L130 BoogieDeclarations]: Found specification of procedure acct [2019-12-07 15:21:25,798 INFO L130 BoogieDeclarations]: Found specification of procedure getusershell [2019-12-07 15:21:25,798 INFO L130 BoogieDeclarations]: Found specification of procedure endusershell [2019-12-07 15:21:25,798 INFO L130 BoogieDeclarations]: Found specification of procedure setusershell [2019-12-07 15:21:25,799 INFO L130 BoogieDeclarations]: Found specification of procedure daemon [2019-12-07 15:21:25,799 INFO L130 BoogieDeclarations]: Found specification of procedure chroot [2019-12-07 15:21:25,799 INFO L130 BoogieDeclarations]: Found specification of procedure getpass [2019-12-07 15:21:25,799 INFO L130 BoogieDeclarations]: Found specification of procedure fsync [2019-12-07 15:21:25,799 INFO L130 BoogieDeclarations]: Found specification of procedure gethostid [2019-12-07 15:21:25,799 INFO L130 BoogieDeclarations]: Found specification of procedure sync [2019-12-07 15:21:25,799 INFO L130 BoogieDeclarations]: Found specification of procedure getpagesize [2019-12-07 15:21:25,799 INFO L130 BoogieDeclarations]: Found specification of procedure getdtablesize [2019-12-07 15:21:25,799 INFO L130 BoogieDeclarations]: Found specification of procedure truncate [2019-12-07 15:21:25,800 INFO L130 BoogieDeclarations]: Found specification of procedure ftruncate [2019-12-07 15:21:25,800 INFO L130 BoogieDeclarations]: Found specification of procedure brk [2019-12-07 15:21:25,800 INFO L130 BoogieDeclarations]: Found specification of procedure sbrk [2019-12-07 15:21:25,800 INFO L130 BoogieDeclarations]: Found specification of procedure syscall [2019-12-07 15:21:25,800 INFO L130 BoogieDeclarations]: Found specification of procedure lockf [2019-12-07 15:21:25,800 INFO L130 BoogieDeclarations]: Found specification of procedure fdatasync [2019-12-07 15:21:25,800 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-12-07 15:21:25,800 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-12-07 15:21:25,800 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-12-07 15:21:25,800 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-12-07 15:21:25,801 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-12-07 15:21:25,801 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-12-07 15:21:25,801 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-12-07 15:21:25,801 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-12-07 15:21:25,801 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-12-07 15:21:25,801 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-12-07 15:21:25,801 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-12-07 15:21:25,801 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-12-07 15:21:25,801 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-12-07 15:21:25,801 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-12-07 15:21:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-12-07 15:21:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-12-07 15:21:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-12-07 15:21:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-12-07 15:21:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-12-07 15:21:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-12-07 15:21:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-12-07 15:21:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-12-07 15:21:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-12-07 15:21:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-12-07 15:21:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-12-07 15:21:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-12-07 15:21:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-12-07 15:21:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-12-07 15:21:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-12-07 15:21:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-12-07 15:21:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-12-07 15:21:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-12-07 15:21:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-12-07 15:21:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-12-07 15:21:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-12-07 15:21:25,804 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-12-07 15:21:25,804 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-12-07 15:21:25,804 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-12-07 15:21:25,804 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-12-07 15:21:25,804 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-12-07 15:21:25,804 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-12-07 15:21:25,804 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-12-07 15:21:25,804 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-12-07 15:21:25,804 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-12-07 15:21:25,804 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-12-07 15:21:25,805 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-12-07 15:21:25,805 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-12-07 15:21:25,805 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-12-07 15:21:25,805 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-12-07 15:21:25,805 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-12-07 15:21:25,805 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-12-07 15:21:25,805 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-12-07 15:21:25,805 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-12-07 15:21:25,805 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-12-07 15:21:25,805 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-12-07 15:21:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-12-07 15:21:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-12-07 15:21:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-12-07 15:21:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-12-07 15:21:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-12-07 15:21:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-12-07 15:21:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-12-07 15:21:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-12-07 15:21:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-12-07 15:21:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-12-07 15:21:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-12-07 15:21:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-12-07 15:21:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-12-07 15:21:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-12-07 15:21:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-12-07 15:21:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-12-07 15:21:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-12-07 15:21:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-12-07 15:21:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-12-07 15:21:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-12-07 15:21:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-12-07 15:21:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-12-07 15:21:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-12-07 15:21:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-12-07 15:21:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-12-07 15:21:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-12-07 15:21:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-12-07 15:21:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-12-07 15:21:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-12-07 15:21:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-12-07 15:21:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-12-07 15:21:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-12-07 15:21:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-12-07 15:21:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-12-07 15:21:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-12-07 15:21:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-12-07 15:21:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-12-07 15:21:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-12-07 15:21:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-12-07 15:21:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-12-07 15:21:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-12-07 15:21:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-12-07 15:21:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-12-07 15:21:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-12-07 15:21:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-12-07 15:21:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure gettimeofday [2019-12-07 15:21:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure settimeofday [2019-12-07 15:21:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure adjtime [2019-12-07 15:21:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure getitimer [2019-12-07 15:21:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure setitimer [2019-12-07 15:21:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure utimes [2019-12-07 15:21:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure lutimes [2019-12-07 15:21:25,811 INFO L130 BoogieDeclarations]: Found specification of procedure futimes [2019-12-07 15:21:25,811 INFO L130 BoogieDeclarations]: Found specification of procedure login_tty [2019-12-07 15:21:25,811 INFO L130 BoogieDeclarations]: Found specification of procedure login [2019-12-07 15:21:25,811 INFO L130 BoogieDeclarations]: Found specification of procedure logout [2019-12-07 15:21:25,811 INFO L130 BoogieDeclarations]: Found specification of procedure logwtmp [2019-12-07 15:21:25,811 INFO L130 BoogieDeclarations]: Found specification of procedure updwtmp [2019-12-07 15:21:25,811 INFO L130 BoogieDeclarations]: Found specification of procedure utmpname [2019-12-07 15:21:25,811 INFO L130 BoogieDeclarations]: Found specification of procedure getutent [2019-12-07 15:21:25,811 INFO L130 BoogieDeclarations]: Found specification of procedure setutent [2019-12-07 15:21:25,811 INFO L130 BoogieDeclarations]: Found specification of procedure endutent [2019-12-07 15:21:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure getutid [2019-12-07 15:21:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure getutline [2019-12-07 15:21:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure pututline [2019-12-07 15:21:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure getutent_r [2019-12-07 15:21:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure getutid_r [2019-12-07 15:21:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure getutline_r [2019-12-07 15:21:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure bb_get_last_path_component_nostrip [2019-12-07 15:21:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure bb_get_last_path_component_strip [2019-12-07 15:21:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure bb_show_usage [2019-12-07 15:21:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure full_write [2019-12-07 15:21:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure last_char_is [2019-12-07 15:21:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure safe_write [2019-12-07 15:21:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure syslog [2019-12-07 15:21:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure __main [2019-12-07 15:21:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 15:21:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 15:21:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-12-07 15:21:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-12-07 15:21:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 15:21:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 15:21:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2019-12-07 15:21:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure vasprintf [2019-12-07 15:21:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 15:21:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 15:21:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-12-07 15:21:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 15:21:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-12-07 15:21:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-12-07 15:21:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-12-07 15:21:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:21:25,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2019-12-07 15:21:25,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2019-12-07 15:21:27,549 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:21:27,549 INFO L287 CfgBuilder]: Removed 11 assume(true) statements. [2019-12-07 15:21:27,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:21:27 BoogieIcfgContainer [2019-12-07 15:21:27,550 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:21:27,551 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 15:21:27,551 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 15:21:27,553 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 15:21:27,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 03:21:24" (1/3) ... [2019-12-07 15:21:27,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d6cae50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:21:27, skipping insertion in model container [2019-12-07 15:21:27,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:21:25" (2/3) ... [2019-12-07 15:21:27,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d6cae50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:21:27, skipping insertion in model container [2019-12-07 15:21:27,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:21:27" (3/3) ... [2019-12-07 15:21:27,555 INFO L109 eAbstractionObserver]: Analyzing ICFG basename-2.i [2019-12-07 15:21:27,562 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 15:21:27,566 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 138 error locations. [2019-12-07 15:21:27,574 INFO L249 AbstractCegarLoop]: Starting to check reachability of 138 error locations. [2019-12-07 15:21:27,586 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 15:21:27,586 INFO L374 AbstractCegarLoop]: Hoare is false [2019-12-07 15:21:27,586 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 15:21:27,586 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:21:27,586 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:21:27,586 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 15:21:27,586 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:21:27,586 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 15:21:27,604 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states. [2019-12-07 15:21:27,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-07 15:21:27,609 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:21:27,610 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:21:27,611 INFO L410 AbstractCegarLoop]: === Iteration 1 === [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, __mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr5REQUIRES_VIOLATION, __mainErr26REQUIRES_VIOLATION, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr6REQUIRES_VIOLATION, __mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr8REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr31REQUIRES_VIOLATION, __mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr18ASSERT_VIOLATIONMEMORY_LEAK, __mainErr9REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr42REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr4REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr38REQUIRES_VIOLATION, __mainErr16REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr37REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr41REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr20REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr11REQUIRES_VIOLATION, __mainErr32REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr13REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr14REQUIRES_VIOLATION, readErr1REQUIRES_VIOLATION, readErr0REQUIRES_VIOLATION, getoptErr2REQUIRES_VIOLATION, getoptErr13REQUIRES_VIOLATION, getoptErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr3REQUIRES_VIOLATION, getoptErr10REQUIRES_VIOLATION, getoptErr0REQUIRES_VIOLATION, getoptErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr11REQUIRES_VIOLATION, getoptErr1REQUIRES_VIOLATION, getoptErr12REQUIRES_VIOLATION, getoptErr8REQUIRES_VIOLATION, getoptErr9REQUIRES_VIOLATION, getoptErr6REQUIRES_VIOLATION, getoptErr7REQUIRES_VIOLATION, getopt_longErr2REQUIRES_VIOLATION, getopt_longErr3REQUIRES_VIOLATION, getopt_longErr4REQUIRES_VIOLATION, getopt_longErr5REQUIRES_VIOLATION, getopt_longErr0REQUIRES_VIOLATION, getopt_longErr6REQUIRES_VIOLATION, getopt_longErr1REQUIRES_VIOLATION, getopt_longErr7REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr33ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr36ENSURES_VIOLATIONMEMORY_LEAK, mainErr22REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr32ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr4REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr1REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr0REQUIRES_VIOLATION]=== [2019-12-07 15:21:27,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:21:27,615 INFO L82 PathProgramCache]: Analyzing trace with hash -327076496, now seen corresponding path program 1 times [2019-12-07 15:21:27,624 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 15:21:27,624 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [254328535] [2019-12-07 15:21:27,624 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32021265-257f-4482-bbe7-0ef1bd80d49b/bin/uautomizer/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 [2019-12-07 15:21:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:21:27,910 INFO L264 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 15:21:27,914 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:21:27,957 INFO L377 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 [2019-12-07 15:21:27,957 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:21:27,965 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:21:27,965 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 15:21:27,965 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2019-12-07 15:21:27,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:21:27,975 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:21:27,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:21:27,984 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [254328535] [2019-12-07 15:21:27,984 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:21:27,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 15:21:27,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991112556] [2019-12-07 15:21:27,988 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:21:27,988 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 15:21:27,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:21:27,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:21:27,999 INFO L87 Difference]: Start difference. First operand 266 states. Second operand 3 states. [2019-12-07 15:21:28,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:21:28,358 INFO L93 Difference]: Finished difference Result 280 states and 315 transitions. [2019-12-07 15:21:28,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:21:28,359 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-12-07 15:21:28,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:21:28,369 INFO L225 Difference]: With dead ends: 280 [2019-12-07 15:21:28,369 INFO L226 Difference]: Without dead ends: 277 [2019-12-07 15:21:28,371 INFO L630 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 [2019-12-07 15:21:28,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2019-12-07 15:21:28,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 261. [2019-12-07 15:21:28,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2019-12-07 15:21:28,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 295 transitions. [2019-12-07 15:21:28,417 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 295 transitions. Word has length 7 [2019-12-07 15:21:28,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:21:28,417 INFO L462 AbstractCegarLoop]: Abstraction has 261 states and 295 transitions. [2019-12-07 15:21:28,417 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:21:28,417 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 295 transitions. [2019-12-07 15:21:28,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-07 15:21:28,418 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:21:28,418 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:21:28,618 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 15:21:28,620 INFO L410 AbstractCegarLoop]: === Iteration 2 === [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, __mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr5REQUIRES_VIOLATION, __mainErr26REQUIRES_VIOLATION, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr6REQUIRES_VIOLATION, __mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr8REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr31REQUIRES_VIOLATION, __mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr18ASSERT_VIOLATIONMEMORY_LEAK, __mainErr9REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr42REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr4REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr38REQUIRES_VIOLATION, __mainErr16REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr37REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr41REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr20REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr11REQUIRES_VIOLATION, __mainErr32REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr13REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr14REQUIRES_VIOLATION, readErr1REQUIRES_VIOLATION, readErr0REQUIRES_VIOLATION, getoptErr2REQUIRES_VIOLATION, getoptErr13REQUIRES_VIOLATION, getoptErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr3REQUIRES_VIOLATION, getoptErr10REQUIRES_VIOLATION, getoptErr0REQUIRES_VIOLATION, getoptErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr11REQUIRES_VIOLATION, getoptErr1REQUIRES_VIOLATION, getoptErr12REQUIRES_VIOLATION, getoptErr8REQUIRES_VIOLATION, getoptErr9REQUIRES_VIOLATION, getoptErr6REQUIRES_VIOLATION, getoptErr7REQUIRES_VIOLATION, getopt_longErr2REQUIRES_VIOLATION, getopt_longErr3REQUIRES_VIOLATION, getopt_longErr4REQUIRES_VIOLATION, getopt_longErr5REQUIRES_VIOLATION, getopt_longErr0REQUIRES_VIOLATION, getopt_longErr6REQUIRES_VIOLATION, getopt_longErr1REQUIRES_VIOLATION, getopt_longErr7REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr33ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr36ENSURES_VIOLATIONMEMORY_LEAK, mainErr22REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr32ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr4REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr1REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr0REQUIRES_VIOLATION]=== [2019-12-07 15:21:28,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:21:28,620 INFO L82 PathProgramCache]: Analyzing trace with hash -327076495, now seen corresponding path program 1 times [2019-12-07 15:21:28,622 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 15:21:28,622 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [896653491] [2019-12-07 15:21:28,623 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32021265-257f-4482-bbe7-0ef1bd80d49b/bin/uautomizer/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 [2019-12-07 15:21:28,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:21:28,852 INFO L264 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 15:21:28,854 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:21:28,864 INFO L377 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 [2019-12-07 15:21:28,864 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:21:28,874 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:21:28,874 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 15:21:28,874 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-12-07 15:21:28,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:21:28,888 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:21:28,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:21:28,948 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [896653491] [2019-12-07 15:21:28,948 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:21:28,948 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-12-07 15:21:28,948 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142336967] [2019-12-07 15:21:28,949 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:21:28,950 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 15:21:28,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:21:28,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:21:28,950 INFO L87 Difference]: Start difference. First operand 261 states and 295 transitions. Second operand 4 states. [2019-12-07 15:21:29,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:21:29,715 INFO L93 Difference]: Finished difference Result 294 states and 330 transitions. [2019-12-07 15:21:29,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:21:29,716 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-12-07 15:21:29,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:21:29,718 INFO L225 Difference]: With dead ends: 294 [2019-12-07 15:21:29,718 INFO L226 Difference]: Without dead ends: 294 [2019-12-07 15:21:29,718 INFO L630 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 [2019-12-07 15:21:29,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2019-12-07 15:21:29,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 260. [2019-12-07 15:21:29,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2019-12-07 15:21:29,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 294 transitions. [2019-12-07 15:21:29,734 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 294 transitions. Word has length 7 [2019-12-07 15:21:29,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:21:29,735 INFO L462 AbstractCegarLoop]: Abstraction has 260 states and 294 transitions. [2019-12-07 15:21:29,735 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:21:29,735 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 294 transitions. [2019-12-07 15:21:29,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 15:21:29,735 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:21:29,735 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:21:29,935 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 15:21:29,937 INFO L410 AbstractCegarLoop]: === Iteration 3 === [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, __mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr5REQUIRES_VIOLATION, __mainErr26REQUIRES_VIOLATION, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr6REQUIRES_VIOLATION, __mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr8REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr31REQUIRES_VIOLATION, __mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr18ASSERT_VIOLATIONMEMORY_LEAK, __mainErr9REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr42REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr4REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr38REQUIRES_VIOLATION, __mainErr16REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr37REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr41REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr20REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr11REQUIRES_VIOLATION, __mainErr32REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr13REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr14REQUIRES_VIOLATION, readErr1REQUIRES_VIOLATION, readErr0REQUIRES_VIOLATION, getoptErr2REQUIRES_VIOLATION, getoptErr13REQUIRES_VIOLATION, getoptErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr3REQUIRES_VIOLATION, getoptErr10REQUIRES_VIOLATION, getoptErr0REQUIRES_VIOLATION, getoptErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr11REQUIRES_VIOLATION, getoptErr1REQUIRES_VIOLATION, getoptErr12REQUIRES_VIOLATION, getoptErr8REQUIRES_VIOLATION, getoptErr9REQUIRES_VIOLATION, getoptErr6REQUIRES_VIOLATION, getoptErr7REQUIRES_VIOLATION, getopt_longErr2REQUIRES_VIOLATION, getopt_longErr3REQUIRES_VIOLATION, getopt_longErr4REQUIRES_VIOLATION, getopt_longErr5REQUIRES_VIOLATION, getopt_longErr0REQUIRES_VIOLATION, getopt_longErr6REQUIRES_VIOLATION, getopt_longErr1REQUIRES_VIOLATION, getopt_longErr7REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr33ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr36ENSURES_VIOLATIONMEMORY_LEAK, mainErr22REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr32ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr4REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr1REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr0REQUIRES_VIOLATION]=== [2019-12-07 15:21:29,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:21:29,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1345414934, now seen corresponding path program 1 times [2019-12-07 15:21:29,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 15:21:29,938 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [469466307] [2019-12-07 15:21:29,938 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32021265-257f-4482-bbe7-0ef1bd80d49b/bin/uautomizer/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 [2019-12-07 15:21:30,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:21:30,157 INFO L264 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 15:21:30,158 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:21:30,166 INFO L377 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 [2019-12-07 15:21:30,166 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:21:30,178 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:21:30,178 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 15:21:30,179 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-12-07 15:21:30,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:21:30,213 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:21:30,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:21:30,339 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [469466307] [2019-12-07 15:21:30,339 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:21:30,339 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-12-07 15:21:30,340 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783042700] [2019-12-07 15:21:30,340 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 15:21:30,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 15:21:30,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 15:21:30,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-07 15:21:30,340 INFO L87 Difference]: Start difference. First operand 260 states and 294 transitions. Second operand 6 states. [2019-12-07 15:21:31,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:21:31,866 INFO L93 Difference]: Finished difference Result 343 states and 382 transitions. [2019-12-07 15:21:31,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 15:21:31,867 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-12-07 15:21:31,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:21:31,868 INFO L225 Difference]: With dead ends: 343 [2019-12-07 15:21:31,868 INFO L226 Difference]: Without dead ends: 343 [2019-12-07 15:21:31,869 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2019-12-07 15:21:31,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2019-12-07 15:21:31,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 266. [2019-12-07 15:21:31,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2019-12-07 15:21:31,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 301 transitions. [2019-12-07 15:21:31,878 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 301 transitions. Word has length 10 [2019-12-07 15:21:31,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:21:31,879 INFO L462 AbstractCegarLoop]: Abstraction has 266 states and 301 transitions. [2019-12-07 15:21:31,879 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 15:21:31,879 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 301 transitions. [2019-12-07 15:21:31,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 15:21:31,879 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:21:31,879 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:21:32,080 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 15:21:32,081 INFO L410 AbstractCegarLoop]: === Iteration 4 === [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, __mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr5REQUIRES_VIOLATION, __mainErr26REQUIRES_VIOLATION, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr6REQUIRES_VIOLATION, __mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr8REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr31REQUIRES_VIOLATION, __mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr18ASSERT_VIOLATIONMEMORY_LEAK, __mainErr9REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr42REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr4REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr38REQUIRES_VIOLATION, __mainErr16REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr37REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr41REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr20REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr11REQUIRES_VIOLATION, __mainErr32REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr13REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr14REQUIRES_VIOLATION, readErr1REQUIRES_VIOLATION, readErr0REQUIRES_VIOLATION, getoptErr2REQUIRES_VIOLATION, getoptErr13REQUIRES_VIOLATION, getoptErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr3REQUIRES_VIOLATION, getoptErr10REQUIRES_VIOLATION, getoptErr0REQUIRES_VIOLATION, getoptErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr11REQUIRES_VIOLATION, getoptErr1REQUIRES_VIOLATION, getoptErr12REQUIRES_VIOLATION, getoptErr8REQUIRES_VIOLATION, getoptErr9REQUIRES_VIOLATION, getoptErr6REQUIRES_VIOLATION, getoptErr7REQUIRES_VIOLATION, getopt_longErr2REQUIRES_VIOLATION, getopt_longErr3REQUIRES_VIOLATION, getopt_longErr4REQUIRES_VIOLATION, getopt_longErr5REQUIRES_VIOLATION, getopt_longErr0REQUIRES_VIOLATION, getopt_longErr6REQUIRES_VIOLATION, getopt_longErr1REQUIRES_VIOLATION, getopt_longErr7REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr33ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr36ENSURES_VIOLATIONMEMORY_LEAK, mainErr22REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr32ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr4REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr1REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr0REQUIRES_VIOLATION]=== [2019-12-07 15:21:32,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:21:32,081 INFO L82 PathProgramCache]: Analyzing trace with hash 729157396, now seen corresponding path program 1 times [2019-12-07 15:21:32,082 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 15:21:32,083 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1992258342] [2019-12-07 15:21:32,083 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32021265-257f-4482-bbe7-0ef1bd80d49b/bin/uautomizer/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 [2019-12-07 15:21:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:21:32,330 INFO L264 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 15:21:32,331 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:21:32,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:21:32,348 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:21:32,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:21:32,377 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1992258342] [2019-12-07 15:21:32,377 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 15:21:32,377 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2019-12-07 15:21:32,377 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235981210] [2019-12-07 15:21:32,378 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 15:21:32,378 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 15:21:32,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 15:21:32,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-07 15:21:32,378 INFO L87 Difference]: Start difference. First operand 266 states and 301 transitions. Second operand 6 states. [2019-12-07 15:21:32,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:21:32,465 INFO L93 Difference]: Finished difference Result 274 states and 308 transitions. [2019-12-07 15:21:32,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 15:21:32,465 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2019-12-07 15:21:32,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:21:32,467 INFO L225 Difference]: With dead ends: 274 [2019-12-07 15:21:32,467 INFO L226 Difference]: Without dead ends: 274 [2019-12-07 15:21:32,467 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2019-12-07 15:21:32,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2019-12-07 15:21:32,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 273. [2019-12-07 15:21:32,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2019-12-07 15:21:32,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 308 transitions. [2019-12-07 15:21:32,473 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 308 transitions. Word has length 15 [2019-12-07 15:21:32,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:21:32,473 INFO L462 AbstractCegarLoop]: Abstraction has 273 states and 308 transitions. [2019-12-07 15:21:32,473 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 15:21:32,473 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 308 transitions. [2019-12-07 15:21:32,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 15:21:32,474 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:21:32,474 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:21:32,674 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 15:21:32,675 INFO L410 AbstractCegarLoop]: === Iteration 5 === [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, __mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr5REQUIRES_VIOLATION, __mainErr26REQUIRES_VIOLATION, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr6REQUIRES_VIOLATION, __mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr8REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr31REQUIRES_VIOLATION, __mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr18ASSERT_VIOLATIONMEMORY_LEAK, __mainErr9REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr42REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr4REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr38REQUIRES_VIOLATION, __mainErr16REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr37REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr41REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr20REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr11REQUIRES_VIOLATION, __mainErr32REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr13REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr14REQUIRES_VIOLATION, readErr1REQUIRES_VIOLATION, readErr0REQUIRES_VIOLATION, getoptErr2REQUIRES_VIOLATION, getoptErr13REQUIRES_VIOLATION, getoptErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr3REQUIRES_VIOLATION, getoptErr10REQUIRES_VIOLATION, getoptErr0REQUIRES_VIOLATION, getoptErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr11REQUIRES_VIOLATION, getoptErr1REQUIRES_VIOLATION, getoptErr12REQUIRES_VIOLATION, getoptErr8REQUIRES_VIOLATION, getoptErr9REQUIRES_VIOLATION, getoptErr6REQUIRES_VIOLATION, getoptErr7REQUIRES_VIOLATION, getopt_longErr2REQUIRES_VIOLATION, getopt_longErr3REQUIRES_VIOLATION, getopt_longErr4REQUIRES_VIOLATION, getopt_longErr5REQUIRES_VIOLATION, getopt_longErr0REQUIRES_VIOLATION, getopt_longErr6REQUIRES_VIOLATION, getopt_longErr1REQUIRES_VIOLATION, getopt_longErr7REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr33ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr36ENSURES_VIOLATIONMEMORY_LEAK, mainErr22REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr32ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr4REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr1REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr0REQUIRES_VIOLATION]=== [2019-12-07 15:21:32,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:21:32,675 INFO L82 PathProgramCache]: Analyzing trace with hash -1567334756, now seen corresponding path program 1 times [2019-12-07 15:21:32,676 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 15:21:32,677 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [867965960] [2019-12-07 15:21:32,677 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32021265-257f-4482-bbe7-0ef1bd80d49b/bin/uautomizer/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 [2019-12-07 15:21:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:21:32,929 INFO L264 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 15:21:32,930 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:21:32,937 INFO L377 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 [2019-12-07 15:21:32,938 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:21:32,945 INFO L614 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-12-07 15:21:32,946 INFO L534 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-12-07 15:21:32,946 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2019-12-07 15:21:33,013 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:21:33,013 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:21:33,422 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:21:33,423 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [867965960] [2019-12-07 15:21:33,423 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 15:21:33,423 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2019-12-07 15:21:33,423 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79507800] [2019-12-07 15:21:33,423 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 15:21:33,423 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 15:21:33,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 15:21:33,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-12-07 15:21:33,424 INFO L87 Difference]: Start difference. First operand 273 states and 308 transitions. Second operand 10 states. [2019-12-07 15:21:36,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:21:36,553 INFO L93 Difference]: Finished difference Result 310 states and 346 transitions. [2019-12-07 15:21:36,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 15:21:36,554 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 18 [2019-12-07 15:21:36,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:21:36,555 INFO L225 Difference]: With dead ends: 310 [2019-12-07 15:21:36,555 INFO L226 Difference]: Without dead ends: 310 [2019-12-07 15:21:36,556 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=73, Invalid=109, Unknown=0, NotChecked=0, Total=182 [2019-12-07 15:21:36,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2019-12-07 15:21:36,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 276. [2019-12-07 15:21:36,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2019-12-07 15:21:36,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 310 transitions. [2019-12-07 15:21:36,561 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 310 transitions. Word has length 18 [2019-12-07 15:21:36,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:21:36,561 INFO L462 AbstractCegarLoop]: Abstraction has 276 states and 310 transitions. [2019-12-07 15:21:36,561 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 15:21:36,561 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 310 transitions. [2019-12-07 15:21:36,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-07 15:21:36,562 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:21:36,562 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:21:36,763 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 15:21:36,764 INFO L410 AbstractCegarLoop]: === Iteration 6 === [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, __mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr5REQUIRES_VIOLATION, __mainErr26REQUIRES_VIOLATION, __mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr7REQUIRES_VIOLATION, __mainErr6REQUIRES_VIOLATION, __mainErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr8REQUIRES_VIOLATION, __mainErr29REQUIRES_VIOLATION, __mainErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr31REQUIRES_VIOLATION, __mainErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr18ASSERT_VIOLATIONMEMORY_LEAK, __mainErr9REQUIRES_VIOLATION, __mainErr30REQUIRES_VIOLATION, __mainErr0REQUIRES_VIOLATION, __mainErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr42REQUIRES_VIOLATION, __mainErr1REQUIRES_VIOLATION, __mainErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr4REQUIRES_VIOLATION, __mainErr25REQUIRES_VIOLATION, __mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr38REQUIRES_VIOLATION, __mainErr16REQUIRES_VIOLATION, __mainErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr37REQUIRES_VIOLATION, __mainErr17REQUIRES_VIOLATION, __mainErr19REQUIRES_VIOLATION, __mainErr41REQUIRES_VIOLATION, __mainErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr20REQUIRES_VIOLATION, __mainErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr11REQUIRES_VIOLATION, __mainErr32REQUIRES_VIOLATION, __mainErr10REQUIRES_VIOLATION, __mainErr12REQUIRES_VIOLATION, __mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr13REQUIRES_VIOLATION, __mainErr15REQUIRES_VIOLATION, __mainErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, __mainErr14REQUIRES_VIOLATION, readErr1REQUIRES_VIOLATION, readErr0REQUIRES_VIOLATION, getoptErr2REQUIRES_VIOLATION, getoptErr13REQUIRES_VIOLATION, getoptErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr3REQUIRES_VIOLATION, getoptErr10REQUIRES_VIOLATION, getoptErr0REQUIRES_VIOLATION, getoptErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, getoptErr11REQUIRES_VIOLATION, getoptErr1REQUIRES_VIOLATION, getoptErr12REQUIRES_VIOLATION, getoptErr8REQUIRES_VIOLATION, getoptErr9REQUIRES_VIOLATION, getoptErr6REQUIRES_VIOLATION, getoptErr7REQUIRES_VIOLATION, getopt_longErr2REQUIRES_VIOLATION, getopt_longErr3REQUIRES_VIOLATION, getopt_longErr4REQUIRES_VIOLATION, getopt_longErr5REQUIRES_VIOLATION, getopt_longErr0REQUIRES_VIOLATION, getopt_longErr6REQUIRES_VIOLATION, getopt_longErr1REQUIRES_VIOLATION, getopt_longErr7REQUIRES_VIOLATION, safe_writeErr0REQUIRES_VIOLATION, safe_writeErr1REQUIRES_VIOLATION, bb_get_last_path_component_stripErr3REQUIRES_VIOLATION, bb_get_last_path_component_stripErr2REQUIRES_VIOLATION, bb_get_last_path_component_stripErr0REQUIRES_VIOLATION, bb_get_last_path_component_stripErr1REQUIRES_VIOLATION, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr35ASSERT_VIOLATIONMEMORY_FREE, mainErr6REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr25ASSERT_VIOLATIONMEMORY_FREE, mainErr3REQUIRES_VIOLATION, mainErr33ASSERT_VIOLATIONMEMORY_FREE, mainErr4REQUIRES_VIOLATION, mainErr31ASSERT_VIOLATIONMEMORY_FREE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr36ENSURES_VIOLATIONMEMORY_LEAK, mainErr22REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr34ASSERT_VIOLATIONMEMORY_FREE, mainErr17REQUIRES_VIOLATION, mainErr32ASSERT_VIOLATIONMEMORY_FREE, mainErr13REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr30ASSERT_VIOLATIONMEMORY_FREE, mainErr12REQUIRES_VIOLATION, mainErr24ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, last_char_isErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr4REQUIRES_VIOLATION, last_char_isErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, last_char_isErr1REQUIRES_VIOLATION, last_char_isErr5REQUIRES_VIOLATION, last_char_isErr0REQUIRES_VIOLATION]=== [2019-12-07 15:21:36,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:21:36,765 INFO L82 PathProgramCache]: Analyzing trace with hash -1132671608, now seen corresponding path program 2 times [2019-12-07 15:21:36,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 15:21:36,766 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1947955310] [2019-12-07 15:21:36,766 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32021265-257f-4482-bbe7-0ef1bd80d49b/bin/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2019-12-07 15:21:37,008 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-12-07 15:21:37,008 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 15:21:37,015 INFO L264 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 15:21:37,017 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:21:37,651 WARN L192 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 45 [2019-12-07 15:21:37,652 INFO L343 Elim1Store]: treesize reduction 916, result has 8.4 percent of original size [2019-12-07 15:21:37,652 INFO L377 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 9 case distinctions, treesize of input 2897 treesize of output 2888 [2019-12-07 15:21:37,656 INFO L534 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-12-07 15:21:38,393 WARN L192 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 65 [2019-12-07 15:21:38,394 INFO L614 ElimStorePlain]: treesize reduction 2681, result has 4.0 percent of original size [2019-12-07 15:21:38,396 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 10 terms [2019-12-07 15:21:38,416 INFO L534 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-1 vars, End of recursive call: 8 dim-0 vars, and 1 xjuncts. [2019-12-07 15:21:38,416 INFO L239 ElimStorePlain]: Needed 2 recursive calls to eliminate 9 variables, input treesize:66, output treesize:111 [2019-12-07 15:21:38,417 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 10 terms [2019-12-07 15:21:38,486 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 10 terms [2019-12-07 15:21:49,757 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2019-12-07 15:21:49,757 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1947955310] [2019-12-07 15:21:49,758 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") [2019-12-07 15:21:49,758 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [531285462] [2019-12-07 15:21:49,758 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32021265-257f-4482-bbe7-0ef1bd80d49b/bin/uautomizer/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 15:21:50,293 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-12-07 15:21:50,293 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 15:21:50,298 INFO L264 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 15:21:50,299 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:21:50,301 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken [2019-12-07 15:21:50,301 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181574457] [2019-12-07 15:21:50,301 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_32021265-257f-4482-bbe7-0ef1bd80d49b/bin/uautomizer/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 15:21:50,469 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2019-12-07 15:21:50,469 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 15:21:50,472 INFO L264 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 15:21:50,474 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:21:50,475 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.IncrementalPlicationChecker@2782a1f5 [2019-12-07 15:21:50,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:21:50,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2019-12-07 15:21:50,476 ERROR L206 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible [2019-12-07 15:21:50,476 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 15:21:51,079 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 mathsat -unsat_core_generation=3,8 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 15:21:51,088 WARN L229 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2019-12-07 15:21:51,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 03:21:51 BoogieIcfgContainer [2019-12-07 15:21:51,088 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 15:21:51,088 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:21:51,088 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:21:51,088 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:21:51,089 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:21:27" (3/4) ... [2019-12-07 15:21:51,091 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 15:21:51,091 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:21:51,092 INFO L168 Benchmark]: Toolchain (without parser) took 26161.44 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 319.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -167.5 MB). Peak memory consumption was 151.8 MB. Max. memory is 11.5 GB. [2019-12-07 15:21:51,092 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:21:51,092 INFO L168 Benchmark]: CACSL2BoogieTranslator took 705.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -64.9 MB). Peak memory consumption was 69.7 MB. Max. memory is 11.5 GB. [2019-12-07 15:21:51,093 INFO L168 Benchmark]: Boogie Preprocessor took 100.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 998.7 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2019-12-07 15:21:51,093 INFO L168 Benchmark]: RCFGBuilder took 1813.49 ms. Allocated memory is still 1.2 GB. Free memory was 998.7 MB in the beginning and 807.8 MB in the end (delta: 190.9 MB). Peak memory consumption was 190.9 MB. Max. memory is 11.5 GB. [2019-12-07 15:21:51,093 INFO L168 Benchmark]: TraceAbstraction took 23536.83 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 195.6 MB). Free memory was 807.8 MB in the beginning and 1.1 GB in the end (delta: -306.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:21:51,093 INFO L168 Benchmark]: Witness Printer took 2.68 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:21:51,095 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 705.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -64.9 MB). Peak memory consumption was 69.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 100.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 998.7 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1813.49 ms. Allocated memory is still 1.2 GB. Free memory was 998.7 MB in the beginning and 807.8 MB in the end (delta: 190.9 MB). Peak memory consumption was 190.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 23536.83 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 195.6 MB). Free memory was 807.8 MB in the beginning and 1.1 GB in the end (delta: -306.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 2.68 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1585]: 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: [L1304] static const char *applet_name; [L1305] static signed int bb_errno_location; [L1306] static signed int * const bb_errno = &bb_errno_location; [L1498] static struct utmp dummy_utmp; [L1580] char *a = malloc(11); [L1581] a[10] = 0 [L1582] int i=0; [L1582] COND TRUE i<10 [L1583] a[i]=__VERIFIER_nondet_char() [L1582] ++i [L1582] COND TRUE i<10 [L1583] a[i]=__VERIFIER_nondet_char() [L1582] ++i [L1582] COND TRUE i<10 [L1583] a[i]=__VERIFIER_nondet_char() [L1582] ++i [L1582] COND TRUE i<10 [L1583] a[i]=__VERIFIER_nondet_char() [L1582] ++i [L1582] COND TRUE i<10 [L1583] a[i]=__VERIFIER_nondet_char() [L1582] ++i [L1582] COND FALSE !(i<10) [L1584] applet_name = a [L1585] bb_errno_location = __VERIFIER_nondet_int() - StatisticsResult: Ultimate Automizer benchmark data CFG has 20 procedures, 404 locations, 138 error locations. Result: UNKNOWN, OverallTime: 23.4s, OverallIterations: 6, TraceHistogramMax: 5, AutomataDifference: 5.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1386 SDtfs, 395 SDslu, 2870 SDs, 0 SdLazy, 1026 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=276occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 162 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 8728 SizeOfPredicates, 12 NumberOfNonLiveVariables, 854 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 0/18 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...