./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 f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/busybox-1.22.0/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 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 12:50:17,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 12:50:17,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 12:50:17,677 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 12:50:17,677 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 12:50:17,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 12:50:17,681 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 12:50:17,687 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 12:50:17,689 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 12:50:17,690 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 12:50:17,692 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 12:50:17,695 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 12:50:17,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 12:50:17,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 12:50:17,701 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 12:50:17,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 12:50:17,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 12:50:17,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 12:50:17,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 12:50:17,709 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 12:50:17,710 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 12:50:17,711 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 12:50:17,712 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 12:50:17,713 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 12:50:17,714 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 12:50:17,717 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 12:50:17,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 12:50:17,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 12:50:17,723 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 12:50:17,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 12:50:17,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 12:50:17,729 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 12:50:17,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 12:50:17,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 12:50:17,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 12:50:17,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 12:50:17,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 12:50:17,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 12:50:17,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 12:50:17,734 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 12:50:17,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 12:50:17,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 12:50:17,739 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2022-07-14 12:50:17,774 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 12:50:17,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 12:50:17,775 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 12:50:17,775 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 12:50:17,776 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 12:50:17,776 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 12:50:17,777 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 12:50:17,777 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 12:50:17,777 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 12:50:17,778 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 12:50:17,778 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 12:50:17,779 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 12:50:17,779 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 12:50:17,779 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-07-14 12:50:17,779 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-07-14 12:50:17,779 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-07-14 12:50:17,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 12:50:17,780 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 12:50:17,780 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 12:50:17,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 12:50:17,781 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 12:50:17,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 12:50:17,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 12:50:17,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 12:50:17,782 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 12:50:17,782 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 12:50:17,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 12:50:17,783 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2022-07-14 12:50:18,018 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 12:50:18,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 12:50:18,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 12:50:18,043 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 12:50:18,047 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 12:50:18,049 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-07-14 12:50:18,118 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27629c453/a4f6806cb8fc458d9ec09bc83598e35d/FLAG168d2109c [2022-07-14 12:50:18,712 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 12:50:18,713 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-07-14 12:50:18,746 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27629c453/a4f6806cb8fc458d9ec09bc83598e35d/FLAG168d2109c [2022-07-14 12:50:19,131 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27629c453/a4f6806cb8fc458d9ec09bc83598e35d [2022-07-14 12:50:19,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 12:50:19,134 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 12:50:19,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 12:50:19,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 12:50:19,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 12:50:19,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:50:19" (1/1) ... [2022-07-14 12:50:19,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@784eb112 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:50:19, skipping insertion in model container [2022-07-14 12:50:19,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:50:19" (1/1) ... [2022-07-14 12:50:19,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 12:50:19,218 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 12:50:19,987 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 [2022-07-14 12:50:19,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@78b7eb32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:50:19, skipping insertion in model container [2022-07-14 12:50:19,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 12:50:19,988 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-07-14 12:50:19,990 INFO L158 Benchmark]: Toolchain (without parser) took 854.87ms. Allocated memory was 92.3MB in the beginning and 113.2MB in the end (delta: 21.0MB). Free memory was 52.6MB in the beginning and 73.9MB in the end (delta: -21.3MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2022-07-14 12:50:19,991 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 92.3MB. Free memory was 64.5MB in the beginning and 64.5MB in the end (delta: 26.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 12:50:19,991 INFO L158 Benchmark]: CACSL2BoogieTranslator took 852.72ms. Allocated memory was 92.3MB in the beginning and 113.2MB in the end (delta: 21.0MB). Free memory was 52.5MB in the beginning and 73.9MB in the end (delta: -21.4MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2022-07-14 12:50:19,993 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 92.3MB. Free memory was 64.5MB in the beginning and 64.5MB in the end (delta: 26.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 852.72ms. Allocated memory was 92.3MB in the beginning and 113.2MB in the end (delta: 21.0MB). Free memory was 52.5MB in the beginning and 73.9MB in the end (delta: -21.4MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/busybox-1.22.0/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 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 12:50:21,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 12:50:21,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 12:50:21,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 12:50:21,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 12:50:21,805 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 12:50:21,808 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 12:50:21,811 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 12:50:21,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 12:50:21,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 12:50:21,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 12:50:21,821 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 12:50:21,821 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 12:50:21,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 12:50:21,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 12:50:21,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 12:50:21,826 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 12:50:21,826 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 12:50:21,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 12:50:21,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 12:50:21,837 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 12:50:21,838 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 12:50:21,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 12:50:21,841 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 12:50:21,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 12:50:21,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 12:50:21,849 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 12:50:21,849 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 12:50:21,850 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 12:50:21,850 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 12:50:21,851 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 12:50:21,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 12:50:21,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 12:50:21,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 12:50:21,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 12:50:21,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 12:50:21,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 12:50:21,856 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 12:50:21,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 12:50:21,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 12:50:21,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 12:50:21,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 12:50:21,864 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2022-07-14 12:50:21,893 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 12:50:21,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 12:50:21,894 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 12:50:21,894 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 12:50:21,895 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 12:50:21,895 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 12:50:21,896 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 12:50:21,896 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 12:50:21,896 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 12:50:21,897 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 12:50:21,897 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 12:50:21,897 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 12:50:21,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 12:50:21,898 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-07-14 12:50:21,898 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-07-14 12:50:21,898 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-07-14 12:50:21,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 12:50:21,899 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 12:50:21,899 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 12:50:21,899 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 12:50:21,899 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 12:50:21,899 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 12:50:21,900 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 12:50:21,900 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 12:50:21,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 12:50:21,900 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 12:50:21,900 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 12:50:21,901 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 12:50:21,901 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 12:50:21,901 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 12:50:21,901 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2022-07-14 12:50:22,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 12:50:22,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 12:50:22,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 12:50:22,230 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 12:50:22,232 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 12:50:22,234 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-07-14 12:50:22,306 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2f4ace37/128c21d6cde54070916085025adb4878/FLAGbb9372ffa [2022-07-14 12:50:23,004 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 12:50:23,005 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-07-14 12:50:23,042 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2f4ace37/128c21d6cde54070916085025adb4878/FLAGbb9372ffa [2022-07-14 12:50:23,290 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a2f4ace37/128c21d6cde54070916085025adb4878 [2022-07-14 12:50:23,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 12:50:23,293 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 12:50:23,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 12:50:23,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 12:50:23,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 12:50:23,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:50:23" (1/1) ... [2022-07-14 12:50:23,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24dc40ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:50:23, skipping insertion in model container [2022-07-14 12:50:23,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:50:23" (1/1) ... [2022-07-14 12:50:23,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 12:50:23,383 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 12:50:24,250 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 [2022-07-14 12:50:24,251 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3253f2db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:50:24, skipping insertion in model container [2022-07-14 12:50:24,252 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 12:50:24,253 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-07-14 12:50:24,255 INFO L158 Benchmark]: Toolchain (without parser) took 960.52ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 30.4MB in the beginning and 39.7MB in the end (delta: -9.3MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2022-07-14 12:50:24,256 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 56.6MB. Free memory was 38.7MB in the beginning and 38.7MB in the end (delta: 50.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 12:50:24,258 INFO L158 Benchmark]: CACSL2BoogieTranslator took 958.34ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 30.2MB in the beginning and 39.7MB in the end (delta: -9.5MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2022-07-14 12:50:24,260 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 56.6MB. Free memory was 38.7MB in the beginning and 38.7MB in the end (delta: 50.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 958.34ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 30.2MB in the beginning and 39.7MB in the end (delta: -9.5MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN