./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/echo-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_9df709e1-5d02-494d-ac23-9e5baab92f5c/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df709e1-5d02-494d-ac23-9e5baab92f5c/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df709e1-5d02-494d-ac23-9e5baab92f5c/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df709e1-5d02-494d-ac23-9e5baab92f5c/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/echo-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df709e1-5d02-494d-ac23-9e5baab92f5c/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df709e1-5d02-494d-ac23-9e5baab92f5c/bin/utaipan-gh47qXpMRh --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 ec8c1840711640ca888d089fb025731988313351c78c18fc65f57765a4fcfb44 --- 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-2329fc7 [2022-12-14 06:53:04,139 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:53:04,140 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:53:04,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:53:04,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:53:04,160 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:53:04,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:53:04,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:53:04,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:53:04,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:53:04,165 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:53:04,166 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:53:04,167 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:53:04,167 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:53:04,168 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:53:04,169 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:53:04,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:53:04,171 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:53:04,172 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:53:04,174 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:53:04,175 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:53:04,176 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:53:04,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:53:04,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:53:04,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:53:04,181 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:53:04,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:53:04,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:53:04,183 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:53:04,184 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:53:04,184 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:53:04,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:53:04,185 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:53:04,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:53:04,186 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:53:04,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:53:04,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:53:04,187 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:53:04,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:53:04,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:53:04,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:53:04,190 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df709e1-5d02-494d-ac23-9e5baab92f5c/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 06:53:04,209 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:53:04,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:53:04,209 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:53:04,210 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:53:04,210 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:53:04,210 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:53:04,211 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:53:04,211 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:53:04,211 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:53:04,211 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 06:53:04,211 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:53:04,211 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:53:04,212 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 06:53:04,212 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 06:53:04,212 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:53:04,212 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 06:53:04,212 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 06:53:04,212 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 06:53:04,213 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:53:04,213 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 06:53:04,213 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 06:53:04,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:53:04,214 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 06:53:04,214 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:53:04,214 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 06:53:04,214 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 06:53:04,214 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 06:53:04,214 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:53:04,215 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 06:53:04,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:53:04,215 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:53:04,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:53:04,215 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:53:04,215 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 06:53:04,216 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:53:04,216 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 06:53:04,216 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 06:53:04,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 06:53:04,216 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 06:53:04,216 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:53:04,216 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_9df709e1-5d02-494d-ac23-9e5baab92f5c/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df709e1-5d02-494d-ac23-9e5baab92f5c/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec8c1840711640ca888d089fb025731988313351c78c18fc65f57765a4fcfb44 [2022-12-14 06:53:04,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:53:04,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:53:04,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:53:04,401 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:53:04,402 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:53:04,403 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df709e1-5d02-494d-ac23-9e5baab92f5c/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/echo-2.i [2022-12-14 06:53:07,005 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:53:07,249 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:53:07,250 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df709e1-5d02-494d-ac23-9e5baab92f5c/sv-benchmarks/c/busybox-1.22.0/echo-2.i [2022-12-14 06:53:07,262 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df709e1-5d02-494d-ac23-9e5baab92f5c/bin/utaipan-gh47qXpMRh/data/a074b35a4/a5f2cf38e8b948fda03f86b196b141c0/FLAG5e79bbc0c [2022-12-14 06:53:07,579 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df709e1-5d02-494d-ac23-9e5baab92f5c/bin/utaipan-gh47qXpMRh/data/a074b35a4/a5f2cf38e8b948fda03f86b196b141c0 [2022-12-14 06:53:07,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:53:07,582 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:53:07,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:53:07,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:53:07,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:53:07,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:53:07" (1/1) ... [2022-12-14 06:53:07,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b9ea52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:53:07, skipping insertion in model container [2022-12-14 06:53:07,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:53:07" (1/1) ... [2022-12-14 06:53:07,592 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:53:07,636 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:53:08,378 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 06:53:08,387 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-12-14 06:53:08,394 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-12-14 06:53:08,402 WARN L623 FunctionHandler]: Unknown extern function stpcpy [2022-12-14 06:53:08,406 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-12-14 06:53:08,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@15572d9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:53:08, skipping insertion in model container [2022-12-14 06:53:08,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:53:08,407 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 06:53:08,409 INFO L158 Benchmark]: Toolchain (without parser) took 826.02ms. Allocated memory is still 153.1MB. Free memory was 112.2MB in the beginning and 86.5MB in the end (delta: 25.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-14 06:53:08,409 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 153.1MB. Free memory is still 123.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 06:53:08,409 INFO L158 Benchmark]: CACSL2BoogieTranslator took 824.45ms. Allocated memory is still 153.1MB. Free memory was 112.2MB in the beginning and 86.5MB in the end (delta: 25.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-14 06:53:08,410 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 153.1MB. Free memory is still 123.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 824.45ms. Allocated memory is still 153.1MB. Free memory was 112.2MB in the beginning and 86.5MB in the end (delta: 25.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2530]: 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_9df709e1-5d02-494d-ac23-9e5baab92f5c/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df709e1-5d02-494d-ac23-9e5baab92f5c/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df709e1-5d02-494d-ac23-9e5baab92f5c/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df709e1-5d02-494d-ac23-9e5baab92f5c/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/echo-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df709e1-5d02-494d-ac23-9e5baab92f5c/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df709e1-5d02-494d-ac23-9e5baab92f5c/bin/utaipan-gh47qXpMRh --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 ec8c1840711640ca888d089fb025731988313351c78c18fc65f57765a4fcfb44 --- 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-2329fc7 [2022-12-14 06:53:09,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:53:09,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:53:09,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:53:09,752 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:53:09,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:53:09,754 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:53:09,756 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:53:09,758 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:53:09,759 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:53:09,760 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:53:09,761 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:53:09,762 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:53:09,762 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:53:09,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:53:09,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:53:09,765 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:53:09,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:53:09,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:53:09,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:53:09,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:53:09,773 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:53:09,774 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:53:09,775 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:53:09,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:53:09,778 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:53:09,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:53:09,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:53:09,779 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:53:09,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:53:09,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:53:09,781 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:53:09,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:53:09,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:53:09,782 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:53:09,783 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:53:09,783 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:53:09,783 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:53:09,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:53:09,784 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:53:09,785 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:53:09,785 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df709e1-5d02-494d-ac23-9e5baab92f5c/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 06:53:09,802 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:53:09,802 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:53:09,802 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:53:09,802 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:53:09,803 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:53:09,803 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:53:09,803 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:53:09,803 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:53:09,803 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:53:09,803 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:53:09,804 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:53:09,804 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:53:09,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:53:09,804 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 06:53:09,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:53:09,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 06:53:09,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:53:09,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 06:53:09,805 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 06:53:09,805 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 06:53:09,805 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 06:53:09,805 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 06:53:09,805 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 06:53:09,805 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:53:09,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 06:53:09,806 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:53:09,806 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 06:53:09,806 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:53:09,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:53:09,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:53:09,806 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:53:09,811 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 06:53:09,811 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 06:53:09,812 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 06:53:09,812 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 06:53:09,812 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:53:09,812 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 06:53:09,812 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_9df709e1-5d02-494d-ac23-9e5baab92f5c/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df709e1-5d02-494d-ac23-9e5baab92f5c/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec8c1840711640ca888d089fb025731988313351c78c18fc65f57765a4fcfb44 [2022-12-14 06:53:10,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:53:10,027 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:53:10,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:53:10,030 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:53:10,030 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:53:10,031 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df709e1-5d02-494d-ac23-9e5baab92f5c/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/echo-2.i [2022-12-14 06:53:12,653 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:53:12,892 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:53:12,892 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df709e1-5d02-494d-ac23-9e5baab92f5c/sv-benchmarks/c/busybox-1.22.0/echo-2.i [2022-12-14 06:53:12,906 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df709e1-5d02-494d-ac23-9e5baab92f5c/bin/utaipan-gh47qXpMRh/data/860fdbe30/8ccdb1fb79624b77bb43d168d1e0e4ae/FLAGe952c6e39 [2022-12-14 06:53:12,917 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9df709e1-5d02-494d-ac23-9e5baab92f5c/bin/utaipan-gh47qXpMRh/data/860fdbe30/8ccdb1fb79624b77bb43d168d1e0e4ae [2022-12-14 06:53:12,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:53:12,920 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:53:12,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:53:12,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:53:12,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:53:12,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:53:12" (1/1) ... [2022-12-14 06:53:12,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75f12eb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:53:12, skipping insertion in model container [2022-12-14 06:53:12,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:53:12" (1/1) ... [2022-12-14 06:53:12,929 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:53:12,978 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:53:13,643 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 06:53:13,654 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-12-14 06:53:13,662 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-12-14 06:53:13,670 WARN L623 FunctionHandler]: Unknown extern function stpcpy [2022-12-14 06:53:13,675 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-12-14 06:53:13,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@115ee793 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:53:13, skipping insertion in model container [2022-12-14 06:53:13,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:53:13,676 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 06:53:13,677 INFO L158 Benchmark]: Toolchain (without parser) took 756.87ms. Allocated memory is still 75.5MB. Free memory was 49.0MB in the beginning and 39.3MB in the end (delta: 9.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 06:53:13,677 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 56.6MB. Free memory is still 35.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 06:53:13,678 INFO L158 Benchmark]: CACSL2BoogieTranslator took 755.31ms. Allocated memory is still 75.5MB. Free memory was 48.8MB in the beginning and 39.3MB in the end (delta: 9.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 06:53:13,679 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 56.6MB. Free memory is still 35.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 755.31ms. Allocated memory is still 75.5MB. Free memory was 48.8MB in the beginning and 39.3MB in the end (delta: 9.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2530]: 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