./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 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_80107d13-e42a-4a89-bc06-ebc7ae24d2fb/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80107d13-e42a-4a89-bc06-ebc7ae24d2fb/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80107d13-e42a-4a89-bc06-ebc7ae24d2fb/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80107d13-e42a-4a89-bc06-ebc7ae24d2fb/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80107d13-e42a-4a89-bc06-ebc7ae24d2fb/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80107d13-e42a-4a89-bc06-ebc7ae24d2fb/bin/utaipan-Q6hlc19bkW --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 b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e --- 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-4e7fbc6 [2022-11-23 14:53:15,212 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:53:15,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:53:15,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:53:15,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:53:15,248 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:53:15,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:53:15,252 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:53:15,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:53:15,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:53:15,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:53:15,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:53:15,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:53:15,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:53:15,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:53:15,271 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:53:15,274 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:53:15,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:53:15,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:53:15,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:53:15,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:53:15,287 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:53:15,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:53:15,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:53:15,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:53:15,294 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:53:15,294 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:53:15,295 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:53:15,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:53:15,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:53:15,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:53:15,297 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:53:15,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:53:15,299 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:53:15,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:53:15,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:53:15,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:53:15,301 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:53:15,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:53:15,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:53:15,303 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:53:15,304 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80107d13-e42a-4a89-bc06-ebc7ae24d2fb/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-23 14:53:15,325 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:53:15,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:53:15,326 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:53:15,326 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:53:15,327 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:53:15,327 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:53:15,327 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:53:15,327 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:53:15,328 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:53:15,328 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:53:15,328 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:53:15,328 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:53:15,329 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:53:15,329 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:53:15,329 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:53:15,329 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:53:15,330 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:53:15,330 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:53:15,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:53:15,331 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 14:53:15,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:53:15,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:53:15,331 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:53:15,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:53:15,332 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:53:15,332 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 14:53:15,332 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:53:15,333 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:53:15,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:53:15,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:53:15,333 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:53:15,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:53:15,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:53:15,334 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:53:15,334 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:53:15,334 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:53:15,335 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:53:15,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:53:15,335 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:53:15,335 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:53:15,336 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_80107d13-e42a-4a89-bc06-ebc7ae24d2fb/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80107d13-e42a-4a89-bc06-ebc7ae24d2fb/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e [2022-11-23 14:53:15,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:53:15,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:53:15,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:53:15,642 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:53:15,643 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:53:15,645 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80107d13-e42a-4a89-bc06-ebc7ae24d2fb/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2022-11-23 14:53:18,875 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:53:19,320 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:53:19,323 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80107d13-e42a-4a89-bc06-ebc7ae24d2fb/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2022-11-23 14:53:19,357 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80107d13-e42a-4a89-bc06-ebc7ae24d2fb/bin/utaipan-Q6hlc19bkW/data/0d8b0f964/e9338b0bb24f4df9b6ead3bb7b154898/FLAG4a58585f8 [2022-11-23 14:53:19,374 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80107d13-e42a-4a89-bc06-ebc7ae24d2fb/bin/utaipan-Q6hlc19bkW/data/0d8b0f964/e9338b0bb24f4df9b6ead3bb7b154898 [2022-11-23 14:53:19,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:53:19,380 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:53:19,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:53:19,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:53:19,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:53:19,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:53:19" (1/1) ... [2022-11-23 14:53:19,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f09a4d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:19, skipping insertion in model container [2022-11-23 14:53:19,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:53:19" (1/1) ... [2022-11-23 14:53:19,399 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:53:19,475 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:53:20,810 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2022-11-23 14:53:20,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@67a80455 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:20, skipping insertion in model container [2022-11-23 14:53:20,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:53:20,812 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-23 14:53:20,815 INFO L158 Benchmark]: Toolchain (without parser) took 1432.77ms. Allocated memory is still 180.4MB. Free memory was 145.9MB in the beginning and 122.8MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-23 14:53:20,815 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 121.6MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:53:20,816 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1427.39ms. Allocated memory is still 180.4MB. Free memory was 145.1MB in the beginning and 122.8MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-23 14:53:20,818 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 121.6MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1427.39ms. Allocated memory is still 180.4MB. Free memory was 145.1MB in the beginning and 122.8MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2344]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: xasprintf 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_80107d13-e42a-4a89-bc06-ebc7ae24d2fb/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80107d13-e42a-4a89-bc06-ebc7ae24d2fb/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80107d13-e42a-4a89-bc06-ebc7ae24d2fb/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80107d13-e42a-4a89-bc06-ebc7ae24d2fb/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80107d13-e42a-4a89-bc06-ebc7ae24d2fb/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80107d13-e42a-4a89-bc06-ebc7ae24d2fb/bin/utaipan-Q6hlc19bkW --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 b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e --- 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-4e7fbc6 [2022-11-23 14:53:23,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:53:23,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:53:23,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:53:23,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:53:23,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:53:23,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:53:23,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:53:23,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:53:23,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:53:23,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:53:23,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:53:23,218 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:53:23,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:53:23,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:53:23,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:53:23,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:53:23,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:53:23,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:53:23,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:53:23,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:53:23,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:53:23,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:53:23,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:53:23,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:53:23,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:53:23,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:53:23,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:53:23,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:53:23,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:53:23,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:53:23,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:53:23,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:53:23,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:53:23,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:53:23,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:53:23,258 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:53:23,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:53:23,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:53:23,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:53:23,266 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:53:23,271 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80107d13-e42a-4a89-bc06-ebc7ae24d2fb/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-23 14:53:23,311 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:53:23,311 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:53:23,313 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:53:23,313 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:53:23,314 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:53:23,314 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:53:23,315 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:53:23,315 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:53:23,315 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:53:23,315 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:53:23,316 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:53:23,317 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:53:23,318 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:53:23,318 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 14:53:23,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:53:23,319 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:53:23,319 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:53:23,319 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:53:23,319 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 14:53:23,320 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 14:53:23,320 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 14:53:23,320 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 14:53:23,320 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:53:23,321 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:53:23,321 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:53:23,321 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:53:23,322 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 14:53:23,322 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:53:23,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:53:23,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:53:23,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:53:23,323 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:53:23,323 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 14:53:23,323 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 14:53:23,324 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:53:23,324 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:53:23,324 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 14:53:23,324 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_80107d13-e42a-4a89-bc06-ebc7ae24d2fb/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80107d13-e42a-4a89-bc06-ebc7ae24d2fb/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e [2022-11-23 14:53:23,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:53:23,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:53:23,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:53:23,805 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:53:23,806 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:53:23,807 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80107d13-e42a-4a89-bc06-ebc7ae24d2fb/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2022-11-23 14:53:26,861 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:53:27,262 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:53:27,263 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80107d13-e42a-4a89-bc06-ebc7ae24d2fb/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2022-11-23 14:53:27,298 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80107d13-e42a-4a89-bc06-ebc7ae24d2fb/bin/utaipan-Q6hlc19bkW/data/4becc7a80/1994652cf667478fa35cbe90c7776bd8/FLAG8d19c0ab9 [2022-11-23 14:53:27,322 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80107d13-e42a-4a89-bc06-ebc7ae24d2fb/bin/utaipan-Q6hlc19bkW/data/4becc7a80/1994652cf667478fa35cbe90c7776bd8 [2022-11-23 14:53:27,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:53:27,326 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:53:27,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:53:27,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:53:27,332 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:53:27,333 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:53:27" (1/1) ... [2022-11-23 14:53:27,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ca0e85a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:27, skipping insertion in model container [2022-11-23 14:53:27,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:53:27" (1/1) ... [2022-11-23 14:53:27,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:53:27,419 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:53:28,615 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2022-11-23 14:53:28,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2249783c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:53:28, skipping insertion in model container [2022-11-23 14:53:28,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:53:28,617 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-23 14:53:28,618 INFO L158 Benchmark]: Toolchain (without parser) took 1291.35ms. Allocated memory is still 75.5MB. Free memory was 49.1MB in the beginning and 45.6MB in the end (delta: 3.5MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2022-11-23 14:53:28,619 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 75.5MB. Free memory is still 52.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 14:53:28,620 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1288.84ms. Allocated memory is still 75.5MB. Free memory was 48.9MB in the beginning and 45.8MB in the end (delta: 3.1MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2022-11-23 14:53:28,621 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 75.5MB. Free memory is still 52.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1288.84ms. Allocated memory is still 75.5MB. Free memory was 48.9MB in the beginning and 45.8MB in the end (delta: 3.1MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2344]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: xasprintf 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