./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/wc-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12956e2b-97eb-4601-b106-d157c54ef05f/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12956e2b-97eb-4601-b106-d157c54ef05f/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12956e2b-97eb-4601-b106-d157c54ef05f/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12956e2b-97eb-4601-b106-d157c54ef05f/bin/utaipan-UbGMyvGFUs/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/wc-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12956e2b-97eb-4601-b106-d157c54ef05f/bin/utaipan-UbGMyvGFUs/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12956e2b-97eb-4601-b106-d157c54ef05f/bin/utaipan-UbGMyvGFUs --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 9ad996875571ec6143f31cc673c133945e460384ea7a17cf9ae6bd0c121592b4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 15:46:07,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 15:46:07,069 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 15:46:07,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 15:46:07,103 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 15:46:07,104 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 15:46:07,106 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 15:46:07,109 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 15:46:07,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 15:46:07,112 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 15:46:07,114 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 15:46:07,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 15:46:07,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 15:46:07,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 15:46:07,119 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 15:46:07,120 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 15:46:07,121 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 15:46:07,122 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 15:46:07,125 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 15:46:07,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 15:46:07,129 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 15:46:07,131 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 15:46:07,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 15:46:07,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 15:46:07,137 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 15:46:07,138 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 15:46:07,138 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 15:46:07,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 15:46:07,140 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 15:46:07,141 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 15:46:07,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 15:46:07,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 15:46:07,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 15:46:07,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 15:46:07,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 15:46:07,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 15:46:07,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 15:46:07,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 15:46:07,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 15:46:07,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 15:46:07,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 15:46:07,152 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12956e2b-97eb-4601-b106-d157c54ef05f/bin/utaipan-UbGMyvGFUs/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-19 15:46:07,179 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 15:46:07,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 15:46:07,180 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 15:46:07,181 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 15:46:07,181 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 15:46:07,181 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 15:46:07,181 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 15:46:07,181 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 15:46:07,182 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 15:46:07,182 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 15:46:07,182 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 15:46:07,194 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 15:46:07,194 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 15:46:07,195 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 15:46:07,195 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 15:46:07,195 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 15:46:07,196 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 15:46:07,196 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 15:46:07,196 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 15:46:07,196 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 15:46:07,197 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 15:46:07,197 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 15:46:07,197 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-19 15:46:07,198 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-19 15:46:07,198 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-19 15:46:07,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 15:46:07,199 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 15:46:07,200 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 15:46:07,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 15:46:07,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 15:46:07,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:46:07,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 15:46:07,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 15:46:07,201 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 15:46:07,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 15:46:07,201 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 15:46:07,202 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 15:46:07,202 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_12956e2b-97eb-4601-b106-d157c54ef05f/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12956e2b-97eb-4601-b106-d157c54ef05f/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ad996875571ec6143f31cc673c133945e460384ea7a17cf9ae6bd0c121592b4 [2021-11-19 15:46:07,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 15:46:07,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 15:46:07,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 15:46:07,487 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 15:46:07,488 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 15:46:07,490 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12956e2b-97eb-4601-b106-d157c54ef05f/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/busybox-1.22.0/wc-2.i [2021-11-19 15:46:07,591 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12956e2b-97eb-4601-b106-d157c54ef05f/bin/utaipan-UbGMyvGFUs/data/166d838fc/578ee16f1b4443a4aa070ae38defc4df/FLAG0b41837d1 [2021-11-19 15:46:08,247 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 15:46:08,248 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12956e2b-97eb-4601-b106-d157c54ef05f/sv-benchmarks/c/busybox-1.22.0/wc-2.i [2021-11-19 15:46:08,278 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12956e2b-97eb-4601-b106-d157c54ef05f/bin/utaipan-UbGMyvGFUs/data/166d838fc/578ee16f1b4443a4aa070ae38defc4df/FLAG0b41837d1 [2021-11-19 15:46:08,398 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12956e2b-97eb-4601-b106-d157c54ef05f/bin/utaipan-UbGMyvGFUs/data/166d838fc/578ee16f1b4443a4aa070ae38defc4df [2021-11-19 15:46:08,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 15:46:08,405 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 15:46:08,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 15:46:08,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 15:46:08,411 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 15:46:08,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:46:08" (1/1) ... [2021-11-19 15:46:08,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8cee687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:46:08, skipping insertion in model container [2021-11-19 15:46:08,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:46:08" (1/1) ... [2021-11-19 15:46:08,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 15:46:08,558 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 15:46:09,902 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-19 15:46:09,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@52743a5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:46:09, skipping insertion in model container [2021-11-19 15:46:09,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 15:46:09,904 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 15:46:09,906 INFO L158 Benchmark]: Toolchain (without parser) took 1500.02ms. Allocated memory was 94.4MB in the beginning and 132.1MB in the end (delta: 37.7MB). Free memory was 53.9MB in the beginning and 90.4MB in the end (delta: -36.4MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2021-11-19 15:46:09,907 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 94.4MB. Free memory was 64.5MB in the beginning and 64.5MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 15:46:09,908 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1495.89ms. Allocated memory was 94.4MB in the beginning and 132.1MB in the end (delta: 37.7MB). Free memory was 53.8MB in the beginning and 90.8MB in the end (delta: -37.0MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2021-11-19 15:46:09,910 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 94.4MB. Free memory was 64.5MB in the beginning and 64.5MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1495.89ms. Allocated memory was 94.4MB in the beginning and 132.1MB in the end (delta: 37.7MB). Free memory was 53.8MB in the beginning and 90.8MB in the end (delta: -37.0MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2274]: 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... --- 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=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12956e2b-97eb-4601-b106-d157c54ef05f/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12956e2b-97eb-4601-b106-d157c54ef05f/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12956e2b-97eb-4601-b106-d157c54ef05f/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12956e2b-97eb-4601-b106-d157c54ef05f/bin/utaipan-UbGMyvGFUs/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/wc-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12956e2b-97eb-4601-b106-d157c54ef05f/bin/utaipan-UbGMyvGFUs/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12956e2b-97eb-4601-b106-d157c54ef05f/bin/utaipan-UbGMyvGFUs --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 9ad996875571ec6143f31cc673c133945e460384ea7a17cf9ae6bd0c121592b4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 15:46:12,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 15:46:12,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 15:46:12,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 15:46:12,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 15:46:12,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 15:46:12,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 15:46:12,346 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 15:46:12,355 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 15:46:12,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 15:46:12,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 15:46:12,369 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 15:46:12,369 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 15:46:12,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 15:46:12,372 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 15:46:12,374 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 15:46:12,375 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 15:46:12,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 15:46:12,381 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 15:46:12,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 15:46:12,398 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 15:46:12,401 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 15:46:12,406 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 15:46:12,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 15:46:12,411 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 15:46:12,412 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 15:46:12,412 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 15:46:12,413 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 15:46:12,414 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 15:46:12,415 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 15:46:12,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 15:46:12,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 15:46:12,417 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 15:46:12,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 15:46:12,424 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 15:46:12,424 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 15:46:12,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 15:46:12,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 15:46:12,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 15:46:12,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 15:46:12,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 15:46:12,430 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12956e2b-97eb-4601-b106-d157c54ef05f/bin/utaipan-UbGMyvGFUs/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-19 15:46:12,475 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 15:46:12,476 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 15:46:12,477 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 15:46:12,477 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 15:46:12,478 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 15:46:12,478 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 15:46:12,478 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 15:46:12,478 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 15:46:12,479 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 15:46:12,479 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 15:46:12,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 15:46:12,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 15:46:12,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 15:46:12,482 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 15:46:12,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 15:46:12,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 15:46:12,483 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-19 15:46:12,483 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-19 15:46:12,483 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-19 15:46:12,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 15:46:12,484 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 15:46:12,484 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-19 15:46:12,484 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-19 15:46:12,484 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 15:46:12,485 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 15:46:12,485 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 15:46:12,485 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 15:46:12,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:46:12,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 15:46:12,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 15:46:12,486 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-19 15:46:12,486 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-19 15:46:12,487 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 15:46:12,487 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 15:46:12,487 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_12956e2b-97eb-4601-b106-d157c54ef05f/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12956e2b-97eb-4601-b106-d157c54ef05f/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ad996875571ec6143f31cc673c133945e460384ea7a17cf9ae6bd0c121592b4 [2021-11-19 15:46:12,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 15:46:12,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 15:46:12,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 15:46:12,883 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 15:46:12,884 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 15:46:12,885 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12956e2b-97eb-4601-b106-d157c54ef05f/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/busybox-1.22.0/wc-2.i [2021-11-19 15:46:12,964 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12956e2b-97eb-4601-b106-d157c54ef05f/bin/utaipan-UbGMyvGFUs/data/41d6717c3/9416d7e094ad4087a42f79d4856b466b/FLAG740ba02fd [2021-11-19 15:46:13,934 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 15:46:13,937 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12956e2b-97eb-4601-b106-d157c54ef05f/sv-benchmarks/c/busybox-1.22.0/wc-2.i [2021-11-19 15:46:13,981 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12956e2b-97eb-4601-b106-d157c54ef05f/bin/utaipan-UbGMyvGFUs/data/41d6717c3/9416d7e094ad4087a42f79d4856b466b/FLAG740ba02fd [2021-11-19 15:46:14,448 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12956e2b-97eb-4601-b106-d157c54ef05f/bin/utaipan-UbGMyvGFUs/data/41d6717c3/9416d7e094ad4087a42f79d4856b466b [2021-11-19 15:46:14,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 15:46:14,454 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 15:46:14,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 15:46:14,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 15:46:14,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 15:46:14,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:46:14" (1/1) ... [2021-11-19 15:46:14,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d65210d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:46:14, skipping insertion in model container [2021-11-19 15:46:14,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:46:14" (1/1) ... [2021-11-19 15:46:14,472 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 15:46:14,596 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 15:46:15,970 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-19 15:46:15,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3ffdaaf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:46:15, skipping insertion in model container [2021-11-19 15:46:15,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 15:46:15,972 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-19 15:46:15,974 INFO L158 Benchmark]: Toolchain (without parser) took 1518.79ms. Allocated memory is still 69.2MB. Free memory was 41.6MB in the beginning and 37.0MB in the end (delta: 4.6MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2021-11-19 15:46:15,975 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 52.4MB. Free memory was 32.7MB in the beginning and 32.6MB in the end (delta: 41.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 15:46:15,976 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1514.97ms. Allocated memory is still 69.2MB. Free memory was 41.5MB in the beginning and 37.0MB in the end (delta: 4.5MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2021-11-19 15:46:15,978 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 52.4MB. Free memory was 32.7MB in the beginning and 32.6MB in the end (delta: 41.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1514.97ms. Allocated memory is still 69.2MB. Free memory was 41.5MB in the beginning and 37.0MB in the end (delta: 4.5MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2274]: 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN