./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/readlink-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 509859d6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 60e87bbb338de49f951bcda640064e8dc1c76515 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 60e87bbb338de49f951bcda640064e8dc1c76515 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-509859d [2019-11-27 17:47:24,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:47:24,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:47:24,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:47:24,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:47:24,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:47:24,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:47:24,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:47:24,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:47:24,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:47:24,199 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:47:24,204 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:47:24,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:47:24,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:47:24,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:47:24,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:47:24,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:47:24,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:47:24,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:47:24,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:47:24,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:47:24,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:47:24,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:47:24,251 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:47:24,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:47:24,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:47:24,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:47:24,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:47:24,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:47:24,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:47:24,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:47:24,269 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:47:24,271 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:47:24,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:47:24,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:47:24,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:47:24,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:47:24,282 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:47:24,282 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:47:24,283 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:47:24,287 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:47:24,288 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-27 17:47:24,343 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:47:24,345 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:47:24,346 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:47:24,351 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:47:24,353 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:47:24,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:47:24,353 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:47:24,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:47:24,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:47:24,354 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:47:24,356 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:47:24,356 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:47:24,356 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:47:24,357 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:47:24,359 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:47:24,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:47:24,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:47:24,360 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:47:24,362 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:47:24,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:47:24,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:47:24,363 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:47:24,363 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 17:47:24,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 17:47:24,367 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60e87bbb338de49f951bcda640064e8dc1c76515 [2019-11-27 17:47:24,910 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:47:24,942 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:47:24,946 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:47:24,953 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:47:24,954 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:47:24,955 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2019-11-27 17:47:25,116 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de3013af9/37eab8de2aa14bdea8e96719d6fe2a50/FLAG33d2434a4 [2019-11-27 17:47:26,623 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:47:26,628 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2019-11-27 17:47:26,708 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de3013af9/37eab8de2aa14bdea8e96719d6fe2a50/FLAG33d2434a4 [2019-11-27 17:47:26,749 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de3013af9/37eab8de2aa14bdea8e96719d6fe2a50 [2019-11-27 17:47:26,757 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:47:26,762 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:47:26,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:26,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:47:26,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:47:26,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:26" (1/1) ... [2019-11-27 17:47:26,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@736e692d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:26, skipping insertion in model container [2019-11-27 17:47:26,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:26" (1/1) ... [2019-11-27 17:47:26,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:47:27,003 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:47:30,030 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2019-11-27 17:47:30,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2033cdf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:30, skipping insertion in model container [2019-11-27 17:47:30,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:30,034 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-27 17:47:30,043 INFO L168 Benchmark]: Toolchain (without parser) took 3277.74 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 972.4 MB in the end (delta: -16.5 MB). Peak memory consumption was 28.0 MB. Max. memory is 12.5 GB. [2019-11-27 17:47:30,046 INFO L168 Benchmark]: CDTParser took 2.01 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:47:30,048 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3265.50 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 972.4 MB in the end (delta: -16.5 MB). Peak memory consumption was 28.0 MB. Max. memory is 12.5 GB. [2019-11-27 17:47:30,055 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.01 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 3265.50 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 972.4 MB in the end (delta: -16.5 MB). Peak memory consumption was 28.0 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2345]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 17:47:33,919 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 17:47:33,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 17:47:33,960 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 17:47:33,962 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 17:47:33,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 17:47:33,970 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 17:47:33,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 17:47:33,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 17:47:33,997 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 17:47:33,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 17:47:34,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 17:47:34,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 17:47:34,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 17:47:34,015 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 17:47:34,020 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 17:47:34,021 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 17:47:34,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 17:47:34,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 17:47:34,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 17:47:34,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 17:47:34,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 17:47:34,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 17:47:34,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 17:47:34,063 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 17:47:34,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 17:47:34,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 17:47:34,069 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 17:47:34,070 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 17:47:34,072 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 17:47:34,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 17:47:34,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 17:47:34,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 17:47:34,078 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 17:47:34,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 17:47:34,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 17:47:34,086 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 17:47:34,087 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 17:47:34,087 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 17:47:34,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 17:47:34,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 17:47:34,095 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-27 17:47:34,135 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 17:47:34,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 17:47:34,140 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 17:47:34,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 17:47:34,142 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 17:47:34,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 17:47:34,143 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 17:47:34,144 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 17:47:34,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 17:47:34,147 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 17:47:34,148 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 17:47:34,149 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 17:47:34,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 17:47:34,150 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 17:47:34,150 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 17:47:34,150 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 17:47:34,151 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 17:47:34,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 17:47:34,154 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 17:47:34,154 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 17:47:34,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 17:47:34,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 17:47:34,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 17:47:34,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 17:47:34,156 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 17:47:34,157 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 17:47:34,157 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 17:47:34,159 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60e87bbb338de49f951bcda640064e8dc1c76515 [2019-11-27 17:47:34,744 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 17:47:34,773 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 17:47:34,779 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 17:47:34,783 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 17:47:34,787 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 17:47:34,788 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2019-11-27 17:47:34,932 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fa114aa6/657f2c853b3143d6b21b3228720ffc63/FLAGaecbbe5e5 [2019-11-27 17:47:36,500 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 17:47:36,505 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2019-11-27 17:47:36,578 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fa114aa6/657f2c853b3143d6b21b3228720ffc63/FLAGaecbbe5e5 [2019-11-27 17:47:36,628 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fa114aa6/657f2c853b3143d6b21b3228720ffc63 [2019-11-27 17:47:36,639 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 17:47:36,641 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 17:47:36,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:36,650 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 17:47:36,656 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 17:47:36,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:36" (1/1) ... [2019-11-27 17:47:36,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ac594ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:36, skipping insertion in model container [2019-11-27 17:47:36,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 05:47:36" (1/1) ... [2019-11-27 17:47:36,680 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 17:47:36,865 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 17:47:39,582 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2019-11-27 17:47:39,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7dbb7a0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 05:47:39, skipping insertion in model container [2019-11-27 17:47:39,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 17:47:39,586 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-27 17:47:39,595 INFO L168 Benchmark]: Toolchain (without parser) took 2948.80 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 972.4 MB in the end (delta: -12.2 MB). Peak memory consumption was 28.0 MB. Max. memory is 12.5 GB. [2019-11-27 17:47:39,596 INFO L168 Benchmark]: CDTParser took 1.89 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 17:47:39,600 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2939.06 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 972.4 MB in the end (delta: -12.2 MB). Peak memory consumption was 28.0 MB. Max. memory is 12.5 GB. [2019-11-27 17:47:39,606 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.89 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 2939.06 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.2 MB in the beginning and 972.4 MB in the end (delta: -12.2 MB). Peak memory consumption was 28.0 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2345]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...