./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea5e46-9a99-41ad-af95-62f48e82a922/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea5e46-9a99-41ad-af95-62f48e82a922/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea5e46-9a99-41ad-af95-62f48e82a922/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea5e46-9a99-41ad-af95-62f48e82a922/bin/utaipan-eEHZpOm5b7/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea5e46-9a99-41ad-af95-62f48e82a922/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea5e46-9a99-41ad-af95-62f48e82a922/bin/utaipan-eEHZpOm5b7 --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 93db8d8982338654400bf15f0a9abdd7865cedf7a91e65e60fec12b3572b0cdd --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 17:49:22,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 17:49:22,062 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 17:49:22,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 17:49:22,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 17:49:22,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 17:49:22,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 17:49:22,155 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 17:49:22,157 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 17:49:22,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 17:49:22,160 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 17:49:22,162 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 17:49:22,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 17:49:22,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 17:49:22,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 17:49:22,182 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 17:49:22,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 17:49:22,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 17:49:22,188 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 17:49:22,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 17:49:22,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 17:49:22,195 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 17:49:22,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 17:49:22,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 17:49:22,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 17:49:22,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 17:49:22,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 17:49:22,205 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 17:49:22,205 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 17:49:22,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 17:49:22,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 17:49:22,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 17:49:22,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 17:49:22,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 17:49:22,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 17:49:22,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 17:49:22,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 17:49:22,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 17:49:22,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 17:49:22,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 17:49:22,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 17:49:22,218 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea5e46-9a99-41ad-af95-62f48e82a922/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-25 17:49:22,247 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 17:49:22,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 17:49:22,249 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 17:49:22,249 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 17:49:22,250 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 17:49:22,250 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 17:49:22,251 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 17:49:22,251 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 17:49:22,251 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 17:49:22,251 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 17:49:22,252 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 17:49:22,252 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 17:49:22,252 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 17:49:22,252 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 17:49:22,253 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 17:49:22,253 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 17:49:22,253 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 17:49:22,253 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 17:49:22,254 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 17:49:22,255 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 17:49:22,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 17:49:22,255 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 17:49:22,255 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 17:49:22,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 17:49:22,256 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-25 17:49:22,256 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-25 17:49:22,256 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-25 17:49:22,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 17:49:22,257 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 17:49:22,257 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 17:49:22,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 17:49:22,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 17:49:22,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:49:22,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 17:49:22,258 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 17:49:22,259 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 17:49:22,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 17:49:22,259 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 17:49:22,259 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 17:49:22,260 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_edea5e46-9a99-41ad-af95-62f48e82a922/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea5e46-9a99-41ad-af95-62f48e82a922/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93db8d8982338654400bf15f0a9abdd7865cedf7a91e65e60fec12b3572b0cdd [2021-11-25 17:49:22,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 17:49:22,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 17:49:22,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 17:49:22,546 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 17:49:22,547 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 17:49:22,549 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea5e46-9a99-41ad-af95-62f48e82a922/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2021-11-25 17:49:22,623 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea5e46-9a99-41ad-af95-62f48e82a922/bin/utaipan-eEHZpOm5b7/data/cf33daa52/051651825d564810b92b2450164e2e67/FLAG4f0772581 [2021-11-25 17:49:23,313 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 17:49:23,315 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea5e46-9a99-41ad-af95-62f48e82a922/sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2021-11-25 17:49:23,353 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea5e46-9a99-41ad-af95-62f48e82a922/bin/utaipan-eEHZpOm5b7/data/cf33daa52/051651825d564810b92b2450164e2e67/FLAG4f0772581 [2021-11-25 17:49:23,432 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea5e46-9a99-41ad-af95-62f48e82a922/bin/utaipan-eEHZpOm5b7/data/cf33daa52/051651825d564810b92b2450164e2e67 [2021-11-25 17:49:23,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 17:49:23,436 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 17:49:23,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 17:49:23,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 17:49:23,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 17:49:23,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:49:23" (1/1) ... [2021-11-25 17:49:23,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c5b7a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:49:23, skipping insertion in model container [2021-11-25 17:49:23,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:49:23" (1/1) ... [2021-11-25 17:49:23,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 17:49:23,543 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 17:49:24,683 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 [2021-11-25 17:49:24,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1c8060bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:49:24, skipping insertion in model container [2021-11-25 17:49:24,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 17:49:24,689 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 17:49:24,691 INFO L158 Benchmark]: Toolchain (without parser) took 1253.35ms. Allocated memory was 102.8MB in the beginning and 146.8MB in the end (delta: 44.0MB). Free memory was 58.1MB in the beginning and 110.2MB in the end (delta: -52.1MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2021-11-25 17:49:24,693 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 102.8MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 17:49:24,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1249.47ms. Allocated memory was 102.8MB in the beginning and 146.8MB in the end (delta: 44.0MB). Free memory was 57.8MB in the beginning and 110.2MB in the end (delta: -52.4MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2021-11-25 17:49:24,698 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 102.8MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1249.47ms. Allocated memory was 102.8MB in the beginning and 146.8MB in the end (delta: 44.0MB). Free memory was 57.8MB in the beginning and 110.2MB in the end (delta: -52.4MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2304]: 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=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea5e46-9a99-41ad-af95-62f48e82a922/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea5e46-9a99-41ad-af95-62f48e82a922/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea5e46-9a99-41ad-af95-62f48e82a922/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea5e46-9a99-41ad-af95-62f48e82a922/bin/utaipan-eEHZpOm5b7/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea5e46-9a99-41ad-af95-62f48e82a922/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea5e46-9a99-41ad-af95-62f48e82a922/bin/utaipan-eEHZpOm5b7 --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 93db8d8982338654400bf15f0a9abdd7865cedf7a91e65e60fec12b3572b0cdd --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 17:49:27,109 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 17:49:27,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 17:49:27,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 17:49:27,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 17:49:27,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 17:49:27,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 17:49:27,187 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 17:49:27,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 17:49:27,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 17:49:27,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 17:49:27,202 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 17:49:27,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 17:49:27,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 17:49:27,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 17:49:27,214 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 17:49:27,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 17:49:27,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 17:49:27,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 17:49:27,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 17:49:27,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 17:49:27,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 17:49:27,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 17:49:27,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 17:49:27,248 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 17:49:27,248 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 17:49:27,249 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 17:49:27,251 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 17:49:27,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 17:49:27,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 17:49:27,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 17:49:27,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 17:49:27,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 17:49:27,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 17:49:27,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 17:49:27,264 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 17:49:27,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 17:49:27,265 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 17:49:27,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 17:49:27,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 17:49:27,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 17:49:27,273 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea5e46-9a99-41ad-af95-62f48e82a922/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-25 17:49:27,320 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 17:49:27,320 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 17:49:27,321 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 17:49:27,321 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 17:49:27,322 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 17:49:27,323 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 17:49:27,323 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 17:49:27,323 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 17:49:27,323 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 17:49:27,324 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 17:49:27,325 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 17:49:27,325 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 17:49:27,326 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 17:49:27,327 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 17:49:27,327 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 17:49:27,327 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 17:49:27,327 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 17:49:27,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 17:49:27,328 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-25 17:49:27,328 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-25 17:49:27,328 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-25 17:49:27,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 17:49:27,329 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 17:49:27,329 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 17:49:27,329 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 17:49:27,329 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 17:49:27,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 17:49:27,330 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 17:49:27,330 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 17:49:27,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:49:27,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 17:49:27,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 17:49:27,331 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 17:49:27,332 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 17:49:27,332 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 17:49:27,332 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 17:49:27,333 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_edea5e46-9a99-41ad-af95-62f48e82a922/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea5e46-9a99-41ad-af95-62f48e82a922/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93db8d8982338654400bf15f0a9abdd7865cedf7a91e65e60fec12b3572b0cdd [2021-11-25 17:49:27,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 17:49:27,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 17:49:27,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 17:49:27,810 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 17:49:27,811 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 17:49:27,813 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea5e46-9a99-41ad-af95-62f48e82a922/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2021-11-25 17:49:27,896 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea5e46-9a99-41ad-af95-62f48e82a922/bin/utaipan-eEHZpOm5b7/data/d180cba34/61404814506a474f9a22b20a600494b2/FLAGca97b798d [2021-11-25 17:49:28,775 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 17:49:28,776 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea5e46-9a99-41ad-af95-62f48e82a922/sv-benchmarks/c/busybox-1.22.0/chroot-incomplete-2.i [2021-11-25 17:49:28,804 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea5e46-9a99-41ad-af95-62f48e82a922/bin/utaipan-eEHZpOm5b7/data/d180cba34/61404814506a474f9a22b20a600494b2/FLAGca97b798d [2021-11-25 17:49:28,874 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edea5e46-9a99-41ad-af95-62f48e82a922/bin/utaipan-eEHZpOm5b7/data/d180cba34/61404814506a474f9a22b20a600494b2 [2021-11-25 17:49:28,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 17:49:28,879 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 17:49:28,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 17:49:28,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 17:49:28,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 17:49:28,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:49:28" (1/1) ... [2021-11-25 17:49:28,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e5de467 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:49:28, skipping insertion in model container [2021-11-25 17:49:28,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:49:28" (1/1) ... [2021-11-25 17:49:28,897 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 17:49:28,984 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 17:49:30,202 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 [2021-11-25 17:49:30,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@19d724e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:49:30, skipping insertion in model container [2021-11-25 17:49:30,204 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 17:49:30,205 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 17:49:30,208 INFO L158 Benchmark]: Toolchain (without parser) took 1327.62ms. Allocated memory was 60.8MB in the beginning and 77.6MB in the end (delta: 16.8MB). Free memory was 35.8MB in the beginning and 49.1MB in the end (delta: -13.3MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2021-11-25 17:49:30,210 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 60.8MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 17:49:30,212 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1322.19ms. Allocated memory was 60.8MB in the beginning and 77.6MB in the end (delta: 16.8MB). Free memory was 35.5MB in the beginning and 49.1MB in the end (delta: -13.6MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2021-11-25 17:49:30,214 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 60.8MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1322.19ms. Allocated memory was 60.8MB in the beginning and 77.6MB in the end (delta: 16.8MB). Free memory was 35.5MB in the beginning and 49.1MB in the end (delta: -13.6MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2304]: 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