./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/fold-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4264330f-39af-41a7-8a63-30bc5b35dde1/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4264330f-39af-41a7-8a63-30bc5b35dde1/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4264330f-39af-41a7-8a63-30bc5b35dde1/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4264330f-39af-41a7-8a63-30bc5b35dde1/bin/utaipan-mTDlp9Zugs/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/fold-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4264330f-39af-41a7-8a63-30bc5b35dde1/bin/utaipan-mTDlp9Zugs/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4264330f-39af-41a7-8a63-30bc5b35dde1/bin/utaipan-mTDlp9Zugs --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 334450e9aa5addf509e3899167897d84dd173425 ......................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4264330f-39af-41a7-8a63-30bc5b35dde1/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4264330f-39af-41a7-8a63-30bc5b35dde1/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4264330f-39af-41a7-8a63-30bc5b35dde1/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4264330f-39af-41a7-8a63-30bc5b35dde1/bin/utaipan-mTDlp9Zugs/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/fold-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4264330f-39af-41a7-8a63-30bc5b35dde1/bin/utaipan-mTDlp9Zugs/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4264330f-39af-41a7-8a63-30bc5b35dde1/bin/utaipan-mTDlp9Zugs --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 334450e9aa5addf509e3899167897d84dd173425 ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:14:27,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:14:27,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:14:27,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:14:27,139 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:14:27,145 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:14:27,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:14:27,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:14:27,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:14:27,163 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:14:27,164 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:14:27,166 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:14:27,167 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:14:27,170 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:14:27,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:14:27,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:14:27,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:14:27,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:14:27,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:14:27,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:14:27,190 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:14:27,195 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:14:27,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:14:27,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:14:27,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:14:27,202 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:14:27,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:14:27,204 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:14:27,205 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:14:27,211 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:14:27,211 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:14:27,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:14:27,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:14:27,216 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:14:27,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:14:27,219 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:14:27,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:14:27,220 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:14:27,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:14:27,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:14:27,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:14:27,223 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4264330f-39af-41a7-8a63-30bc5b35dde1/bin/utaipan-mTDlp9Zugs/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-10-16 02:14:27,251 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:14:27,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:14:27,253 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:14:27,253 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:14:27,253 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:14:27,253 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:14:27,254 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:14:27,254 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:14:27,254 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:14:27,254 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:14:27,255 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:14:27,255 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:14:27,255 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:14:27,255 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:14:27,255 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:14:27,256 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 02:14:27,257 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 02:14:27,257 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:14:27,257 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-16 02:14:27,257 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:14:27,258 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:14:27,258 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-16 02:14:27,258 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-16 02:14:27,258 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-16 02:14:27,258 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:14:27,259 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:14:27,259 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:14:27,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:14:27,259 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:14:27,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:14:27,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:14:27,260 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:14:27,260 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:14:27,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:14:27,261 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:14:27,261 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:14:27,261 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4264330f-39af-41a7-8a63-30bc5b35dde1/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4264330f-39af-41a7-8a63-30bc5b35dde1/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 334450e9aa5addf509e3899167897d84dd173425 [2021-10-16 02:14:27,594 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:14:27,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:14:27,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:14:27,645 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:14:27,646 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:14:27,647 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4264330f-39af-41a7-8a63-30bc5b35dde1/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/busybox-1.22.0/fold-1.i [2021-10-16 02:14:27,717 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4264330f-39af-41a7-8a63-30bc5b35dde1/bin/utaipan-mTDlp9Zugs/data/34cbf6933/b161724e67d842fa94273d66a0db61ef/FLAG95024b829 [2021-10-16 02:14:28,626 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:14:28,627 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4264330f-39af-41a7-8a63-30bc5b35dde1/sv-benchmarks/c/busybox-1.22.0/fold-1.i [2021-10-16 02:14:28,681 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4264330f-39af-41a7-8a63-30bc5b35dde1/bin/utaipan-mTDlp9Zugs/data/34cbf6933/b161724e67d842fa94273d66a0db61ef/FLAG95024b829 [2021-10-16 02:14:29,150 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4264330f-39af-41a7-8a63-30bc5b35dde1/bin/utaipan-mTDlp9Zugs/data/34cbf6933/b161724e67d842fa94273d66a0db61ef [2021-10-16 02:14:29,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:14:29,154 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:14:29,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:14:29,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:14:29,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:14:29,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:14:29" (1/1) ... [2021-10-16 02:14:29,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c6c6379 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:14:29, skipping insertion in model container [2021-10-16 02:14:29,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:14:29" (1/1) ... [2021-10-16 02:14:29,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:14:29,271 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:14:30,537 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-16 02:14:30,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@52fe491f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:14:30, skipping insertion in model container [2021-10-16 02:14:30,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:14:30,539 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 02:14:30,541 INFO L168 Benchmark]: Toolchain (without parser) took 1385.54 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 50.0 MB in the beginning and 70.6 MB in the end (delta: -20.6 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:14:30,542 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 92.3 MB. Free memory is still 71.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:14:30,543 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1383.01 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 49.8 MB in the beginning and 70.6 MB in the end (delta: -20.8 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:14:30,544 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 92.3 MB. Free memory is still 71.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1383.01 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 49.8 MB in the beginning and 70.6 MB in the end (delta: -20.8 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2310]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:14:32,817 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:14:32,820 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:14:32,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:14:32,871 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:14:32,872 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:14:32,874 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:14:32,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:14:32,879 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:14:32,881 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:14:32,882 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:14:32,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:14:32,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:14:32,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:14:32,888 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:14:32,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:14:32,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:14:32,893 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:14:32,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:14:32,902 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:14:32,904 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:14:32,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:14:32,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:14:32,916 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:14:32,924 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:14:32,925 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:14:32,925 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:14:32,927 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:14:32,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:14:32,929 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:14:32,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:14:32,930 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:14:32,932 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:14:32,933 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:14:32,939 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:14:32,941 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:14:32,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:14:32,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:14:32,945 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:14:32,948 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:14:32,949 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:14:32,950 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4264330f-39af-41a7-8a63-30bc5b35dde1/bin/utaipan-mTDlp9Zugs/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-10-16 02:14:32,988 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:14:32,989 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:14:32,991 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:14:32,991 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:14:32,991 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:14:32,991 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:14:32,992 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:14:32,992 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:14:32,992 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:14:32,994 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 02:14:32,995 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 02:14:32,995 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:14:32,996 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-16 02:14:32,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:14:32,996 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:14:32,996 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-16 02:14:32,996 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-16 02:14:32,997 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-16 02:14:32,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:14:32,997 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:14:32,997 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:14:32,997 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:14:32,998 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:14:32,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:14:32,998 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:14:32,998 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:14:32,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:14:32,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:14:32,999 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:14:32,999 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:14:32,999 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:14:33,000 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:14:33,000 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:14:33,000 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4264330f-39af-41a7-8a63-30bc5b35dde1/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4264330f-39af-41a7-8a63-30bc5b35dde1/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 334450e9aa5addf509e3899167897d84dd173425 [2021-10-16 02:14:33,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:14:33,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:14:33,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:14:33,437 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:14:33,438 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:14:33,439 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4264330f-39af-41a7-8a63-30bc5b35dde1/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/busybox-1.22.0/fold-1.i [2021-10-16 02:14:33,513 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4264330f-39af-41a7-8a63-30bc5b35dde1/bin/utaipan-mTDlp9Zugs/data/8ff9a7718/768c82bfb7214417abd0ee38ccacdcab/FLAG3c355cc45 [2021-10-16 02:14:34,424 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:14:34,425 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4264330f-39af-41a7-8a63-30bc5b35dde1/sv-benchmarks/c/busybox-1.22.0/fold-1.i [2021-10-16 02:14:34,472 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4264330f-39af-41a7-8a63-30bc5b35dde1/bin/utaipan-mTDlp9Zugs/data/8ff9a7718/768c82bfb7214417abd0ee38ccacdcab/FLAG3c355cc45 [2021-10-16 02:14:34,911 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4264330f-39af-41a7-8a63-30bc5b35dde1/bin/utaipan-mTDlp9Zugs/data/8ff9a7718/768c82bfb7214417abd0ee38ccacdcab [2021-10-16 02:14:34,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:14:34,915 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:14:34,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:14:34,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:14:34,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:14:34,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:14:34" (1/1) ... [2021-10-16 02:14:34,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ffb9dd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:14:34, skipping insertion in model container [2021-10-16 02:14:34,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:14:34" (1/1) ... [2021-10-16 02:14:34,929 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:14:35,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:14:36,473 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-16 02:14:36,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@8366beb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:14:36, skipping insertion in model container [2021-10-16 02:14:36,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:14:36,475 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 02:14:36,478 INFO L168 Benchmark]: Toolchain (without parser) took 1561.56 ms. Allocated memory was 65.0 MB in the beginning and 83.9 MB in the end (delta: 18.9 MB). Free memory was 40.2 MB in the beginning and 62.1 MB in the end (delta: -22.0 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. [2021-10-16 02:14:36,479 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 65.0 MB. Free memory is still 47.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:14:36,480 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1559.13 ms. Allocated memory was 65.0 MB in the beginning and 83.9 MB in the end (delta: 18.9 MB). Free memory was 39.9 MB in the beginning and 62.1 MB in the end (delta: -22.2 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. [2021-10-16 02:14:36,483 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 65.0 MB. Free memory is still 47.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1559.13 ms. Allocated memory was 65.0 MB in the beginning and 83.9 MB in the end (delta: 18.9 MB). Free memory was 39.9 MB in the beginning and 62.1 MB in the end (delta: -22.2 MB). Peak memory consumption was 16.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2310]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...