./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/tac-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93311e81-3a77-47af-a1c2-416e29a3ffa5/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93311e81-3a77-47af-a1c2-416e29a3ffa5/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93311e81-3a77-47af-a1c2-416e29a3ffa5/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93311e81-3a77-47af-a1c2-416e29a3ffa5/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/tac-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93311e81-3a77-47af-a1c2-416e29a3ffa5/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93311e81-3a77-47af-a1c2-416e29a3ffa5/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a12e8932a427a8103fce10ff51c0b5532fb636497ec2bad4d247a8de3a817f71 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 02:18:28,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:18:28,205 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:18:28,241 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:18:28,242 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:18:28,243 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:18:28,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:18:28,247 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:18:28,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:18:28,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:18:28,251 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:18:28,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:18:28,252 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:18:28,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:18:28,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:18:28,256 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:18:28,257 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:18:28,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:18:28,260 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:18:28,274 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:18:28,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:18:28,282 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:18:28,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:18:28,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:18:28,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:18:28,300 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:18:28,300 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:18:28,301 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:18:28,302 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:18:28,303 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:18:28,303 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:18:28,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:18:28,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:18:28,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:18:28,309 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:18:28,311 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:18:28,312 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:18:28,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:18:28,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:18:28,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:18:28,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:18:28,317 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93311e81-3a77-47af-a1c2-416e29a3ffa5/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-22 02:18:28,356 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:18:28,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:18:28,364 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:18:28,364 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:18:28,365 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:18:28,365 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:18:28,366 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:18:28,366 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:18:28,366 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:18:28,367 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:18:28,368 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:18:28,368 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:18:28,368 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:18:28,369 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:18:28,369 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:18:28,369 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:18:28,370 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:18:28,370 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:18:28,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:18:28,372 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 02:18:28,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:18:28,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:18:28,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:18:28,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:18:28,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:18:28,373 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 02:18:28,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:18:28,374 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:18:28,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:18:28,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:18:28,375 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:18:28,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:18:28,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:18:28,376 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:18:28,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:18:28,377 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:18:28,377 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:18:28,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:18:28,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:18:28,378 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:18:28,378 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93311e81-3a77-47af-a1c2-416e29a3ffa5/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93311e81-3a77-47af-a1c2-416e29a3ffa5/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a12e8932a427a8103fce10ff51c0b5532fb636497ec2bad4d247a8de3a817f71 [2022-11-22 02:18:28,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:18:28,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:18:28,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:18:28,687 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:18:28,688 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:18:28,689 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93311e81-3a77-47af-a1c2-416e29a3ffa5/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/busybox-1.22.0/tac-2.i [2022-11-22 02:18:32,002 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:18:32,410 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:18:32,410 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93311e81-3a77-47af-a1c2-416e29a3ffa5/sv-benchmarks/c/busybox-1.22.0/tac-2.i [2022-11-22 02:18:32,441 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93311e81-3a77-47af-a1c2-416e29a3ffa5/bin/utaipan-g80aRyZoba/data/5748468fb/25c2eebcb0c74745b7c897f3d44bd424/FLAGf8f55bf71 [2022-11-22 02:18:32,459 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93311e81-3a77-47af-a1c2-416e29a3ffa5/bin/utaipan-g80aRyZoba/data/5748468fb/25c2eebcb0c74745b7c897f3d44bd424 [2022-11-22 02:18:32,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:18:32,467 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:18:32,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:18:32,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:18:32,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:18:32,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:18:32" (1/1) ... [2022-11-22 02:18:32,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50c0a591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:18:32, skipping insertion in model container [2022-11-22 02:18:32,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:18:32" (1/1) ... [2022-11-22 02:18:32,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:18:32,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:18:33,882 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-22 02:18:33,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@407d1614 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:18:33, skipping insertion in model container [2022-11-22 02:18:33,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:18:33,884 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-22 02:18:33,886 INFO L158 Benchmark]: Toolchain (without parser) took 1418.22ms. Allocated memory is still 115.3MB. Free memory was 77.0MB in the beginning and 80.1MB in the end (delta: -3.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-22 02:18:33,887 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 92.3MB. Free memory was 56.3MB in the beginning and 56.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:18:33,888 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1411.61ms. Allocated memory is still 115.3MB. Free memory was 76.7MB in the beginning and 80.1MB in the end (delta: -3.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-22 02:18:33,889 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 92.3MB. Free memory was 56.3MB in the beginning and 56.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1411.61ms. Allocated memory is still 115.3MB. Free memory was 76.7MB in the beginning and 80.1MB in the end (delta: -3.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2259]: 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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93311e81-3a77-47af-a1c2-416e29a3ffa5/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93311e81-3a77-47af-a1c2-416e29a3ffa5/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93311e81-3a77-47af-a1c2-416e29a3ffa5/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93311e81-3a77-47af-a1c2-416e29a3ffa5/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/tac-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93311e81-3a77-47af-a1c2-416e29a3ffa5/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93311e81-3a77-47af-a1c2-416e29a3ffa5/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a12e8932a427a8103fce10ff51c0b5532fb636497ec2bad4d247a8de3a817f71 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 02:18:36,588 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:18:36,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:18:36,641 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:18:36,642 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:18:36,647 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:18:36,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:18:36,655 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:18:36,657 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:18:36,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:18:36,666 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:18:36,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:18:36,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:18:36,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:18:36,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:18:36,680 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:18:36,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:18:36,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:18:36,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:18:36,691 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:18:36,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:18:36,696 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:18:36,697 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:18:36,698 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:18:36,707 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:18:36,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:18:36,708 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:18:36,711 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:18:36,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:18:36,713 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:18:36,713 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:18:36,714 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:18:36,716 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:18:36,718 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:18:36,719 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:18:36,719 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:18:36,720 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:18:36,720 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:18:36,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:18:36,721 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:18:36,722 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:18:36,723 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93311e81-3a77-47af-a1c2-416e29a3ffa5/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-22 02:18:36,771 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:18:36,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:18:36,773 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:18:36,773 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:18:36,775 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:18:36,775 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:18:36,775 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:18:36,776 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:18:36,776 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:18:36,776 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:18:36,777 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:18:36,778 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:18:36,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:18:36,779 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 02:18:36,779 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:18:36,780 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:18:36,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:18:36,780 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:18:36,780 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 02:18:36,781 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-22 02:18:36,781 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 02:18:36,781 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-22 02:18:36,781 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:18:36,782 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:18:36,782 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:18:36,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:18:36,782 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-22 02:18:36,783 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:18:36,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:18:36,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:18:36,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:18:36,784 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:18:36,784 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-22 02:18:36,784 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-22 02:18:36,785 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:18:36,785 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:18:36,785 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-22 02:18:36,785 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_93311e81-3a77-47af-a1c2-416e29a3ffa5/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93311e81-3a77-47af-a1c2-416e29a3ffa5/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a12e8932a427a8103fce10ff51c0b5532fb636497ec2bad4d247a8de3a817f71 [2022-11-22 02:18:37,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:18:37,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:18:37,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:18:37,236 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:18:37,237 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:18:37,238 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93311e81-3a77-47af-a1c2-416e29a3ffa5/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/busybox-1.22.0/tac-2.i [2022-11-22 02:18:40,485 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:18:40,955 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:18:40,956 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93311e81-3a77-47af-a1c2-416e29a3ffa5/sv-benchmarks/c/busybox-1.22.0/tac-2.i [2022-11-22 02:18:40,987 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93311e81-3a77-47af-a1c2-416e29a3ffa5/bin/utaipan-g80aRyZoba/data/649dca64a/d6e401dceb844d29ae6d0e6caaaf9afe/FLAG172c916f3 [2022-11-22 02:18:41,007 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_93311e81-3a77-47af-a1c2-416e29a3ffa5/bin/utaipan-g80aRyZoba/data/649dca64a/d6e401dceb844d29ae6d0e6caaaf9afe [2022-11-22 02:18:41,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:18:41,017 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:18:41,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:18:41,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:18:41,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:18:41,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:18:41" (1/1) ... [2022-11-22 02:18:41,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a39e912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:18:41, skipping insertion in model container [2022-11-22 02:18:41,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:18:41" (1/1) ... [2022-11-22 02:18:41,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:18:41,128 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:18:42,807 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-22 02:18:42,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@682a48e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:18:42, skipping insertion in model container [2022-11-22 02:18:42,810 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:18:42,810 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-22 02:18:42,813 INFO L158 Benchmark]: Toolchain (without parser) took 1794.46ms. Allocated memory is still 71.3MB. Free memory was 36.6MB in the beginning and 31.2MB in the end (delta: 5.3MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2022-11-22 02:18:42,813 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 71.3MB. Free memory was 48.9MB in the beginning and 48.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:18:42,815 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1787.77ms. Allocated memory is still 71.3MB. Free memory was 36.3MB in the beginning and 31.2MB in the end (delta: 5.1MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2022-11-22 02:18:42,817 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 71.3MB. Free memory was 48.9MB in the beginning and 48.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1787.77ms. Allocated memory is still 71.3MB. Free memory was 36.3MB in the beginning and 31.2MB in the end (delta: 5.1MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2259]: 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