./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/seq-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_6809fb4b-9e40-49e8-a7af-48c2c8265e1b/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6809fb4b-9e40-49e8-a7af-48c2c8265e1b/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_6809fb4b-9e40-49e8-a7af-48c2c8265e1b/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6809fb4b-9e40-49e8-a7af-48c2c8265e1b/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/seq-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6809fb4b-9e40-49e8-a7af-48c2c8265e1b/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_6809fb4b-9e40-49e8-a7af-48c2c8265e1b/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 a2d313545e3ff640d0e31c08cfe964a588d855085838acddd73791016cac8046 --- 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 07:11:39,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:11:39,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:11:39,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:11:39,181 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:11:39,182 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:11:39,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:11:39,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:11:39,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:11:39,185 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:11:39,186 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:11:39,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:11:39,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:11:39,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:11:39,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:11:39,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:11:39,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:11:39,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:11:39,191 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:11:39,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:11:39,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:11:39,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:11:39,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:11:39,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:11:39,199 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:11:39,199 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:11:39,200 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:11:39,201 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:11:39,201 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:11:39,202 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:11:39,202 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:11:39,203 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:11:39,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:11:39,204 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:11:39,205 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:11:39,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:11:39,206 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:11:39,206 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:11:39,207 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:11:39,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:11:39,208 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:11:39,209 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6809fb4b-9e40-49e8-a7af-48c2c8265e1b/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 07:11:39,229 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:11:39,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:11:39,230 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:11:39,230 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:11:39,231 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:11:39,231 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:11:39,231 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:11:39,231 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:11:39,231 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:11:39,231 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 07:11:39,232 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:11:39,232 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:11:39,232 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 07:11:39,232 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 07:11:39,232 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:11:39,232 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 07:11:39,233 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 07:11:39,233 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 07:11:39,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:11:39,233 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 07:11:39,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 07:11:39,234 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:11:39,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:11:39,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:11:39,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:11:39,235 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 07:11:39,235 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:11:39,235 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:11:39,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:11:39,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:11:39,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:11:39,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:11:39,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:11:39,236 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 07:11:39,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:11:39,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:11:39,237 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 07:11:39,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 07:11:39,237 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:11:39,237 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:11:39,237 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_6809fb4b-9e40-49e8-a7af-48c2c8265e1b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6809fb4b-9e40-49e8-a7af-48c2c8265e1b/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2d313545e3ff640d0e31c08cfe964a588d855085838acddd73791016cac8046 [2022-12-14 07:11:39,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:11:39,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:11:39,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:11:39,444 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:11:39,444 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:11:39,445 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6809fb4b-9e40-49e8-a7af-48c2c8265e1b/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/seq-2.i [2022-12-14 07:11:42,107 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:11:42,387 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:11:42,388 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6809fb4b-9e40-49e8-a7af-48c2c8265e1b/sv-benchmarks/c/busybox-1.22.0/seq-2.i [2022-12-14 07:11:42,403 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6809fb4b-9e40-49e8-a7af-48c2c8265e1b/bin/utaipan-gh47qXpMRh/data/c95408fdb/7afcd65a0166440d8a330fc697ad7ab9/FLAGc119bf1e8 [2022-12-14 07:11:42,413 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6809fb4b-9e40-49e8-a7af-48c2c8265e1b/bin/utaipan-gh47qXpMRh/data/c95408fdb/7afcd65a0166440d8a330fc697ad7ab9 [2022-12-14 07:11:42,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:11:42,417 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:11:42,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:11:42,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:11:42,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:11:42,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:11:42" (1/1) ... [2022-12-14 07:11:42,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@123dfcff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:11:42, skipping insertion in model container [2022-12-14 07:11:42,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:11:42" (1/1) ... [2022-12-14 07:11:42,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:11:42,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:11:43,203 WARN L623 FunctionHandler]: Unknown extern function putchar [2022-12-14 07:11:43,204 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-12-14 07:11:43,205 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-12-14 07:11:43,213 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-12-14 07:11:43,215 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-12-14 07:11:43,241 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2022-12-14 07:11:43,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5aa61de3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:11:43, skipping insertion in model container [2022-12-14 07:11:43,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:11:43,242 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 07:11:43,244 INFO L158 Benchmark]: Toolchain (without parser) took 826.62ms. Allocated memory is still 182.5MB. Free memory was 146.9MB in the beginning and 118.2MB in the end (delta: 28.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-14 07:11:43,245 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 123.7MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 07:11:43,245 INFO L158 Benchmark]: CACSL2BoogieTranslator took 824.88ms. Allocated memory is still 182.5MB. Free memory was 146.9MB in the beginning and 118.2MB in the end (delta: 28.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-14 07:11:43,247 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 123.7MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 824.88ms. Allocated memory is still 182.5MB. Free memory was 146.9MB in the beginning and 118.2MB in the end (delta: 28.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2536]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6809fb4b-9e40-49e8-a7af-48c2c8265e1b/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6809fb4b-9e40-49e8-a7af-48c2c8265e1b/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_6809fb4b-9e40-49e8-a7af-48c2c8265e1b/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6809fb4b-9e40-49e8-a7af-48c2c8265e1b/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/seq-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6809fb4b-9e40-49e8-a7af-48c2c8265e1b/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_6809fb4b-9e40-49e8-a7af-48c2c8265e1b/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 a2d313545e3ff640d0e31c08cfe964a588d855085838acddd73791016cac8046 --- 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 07:11:44,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:11:44,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:11:44,831 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:11:44,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:11:44,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:11:44,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:11:44,838 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:11:44,841 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:11:44,842 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:11:44,843 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:11:44,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:11:44,846 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:11:44,847 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:11:44,849 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:11:44,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:11:44,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:11:44,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:11:44,859 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:11:44,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:11:44,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:11:44,866 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:11:44,867 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:11:44,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:11:44,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:11:44,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:11:44,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:11:44,870 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:11:44,871 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:11:44,871 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:11:44,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:11:44,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:11:44,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:11:44,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:11:44,873 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:11:44,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:11:44,874 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:11:44,874 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:11:44,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:11:44,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:11:44,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:11:44,876 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6809fb4b-9e40-49e8-a7af-48c2c8265e1b/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 07:11:44,892 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:11:44,892 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:11:44,892 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:11:44,892 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:11:44,892 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:11:44,893 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:11:44,893 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:11:44,893 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:11:44,893 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:11:44,893 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:11:44,893 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:11:44,893 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:11:44,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:11:44,894 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 07:11:44,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:11:44,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:11:44,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:11:44,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:11:44,894 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 07:11:44,894 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 07:11:44,894 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 07:11:44,894 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 07:11:44,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:11:44,895 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:11:44,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:11:44,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:11:44,895 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 07:11:44,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:11:44,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:11:44,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:11:44,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:11:44,896 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:11:44,896 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 07:11:44,896 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 07:11:44,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:11:44,896 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:11:44,896 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 07:11:44,896 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_6809fb4b-9e40-49e8-a7af-48c2c8265e1b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6809fb4b-9e40-49e8-a7af-48c2c8265e1b/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2d313545e3ff640d0e31c08cfe964a588d855085838acddd73791016cac8046 [2022-12-14 07:11:45,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:11:45,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:11:45,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:11:45,131 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:11:45,132 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:11:45,133 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6809fb4b-9e40-49e8-a7af-48c2c8265e1b/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/seq-2.i [2022-12-14 07:11:47,785 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:11:48,082 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:11:48,083 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6809fb4b-9e40-49e8-a7af-48c2c8265e1b/sv-benchmarks/c/busybox-1.22.0/seq-2.i [2022-12-14 07:11:48,104 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6809fb4b-9e40-49e8-a7af-48c2c8265e1b/bin/utaipan-gh47qXpMRh/data/e7ab2aea2/637ac4656abf4593ac81709c12262a8a/FLAGcbb530e31 [2022-12-14 07:11:48,119 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6809fb4b-9e40-49e8-a7af-48c2c8265e1b/bin/utaipan-gh47qXpMRh/data/e7ab2aea2/637ac4656abf4593ac81709c12262a8a [2022-12-14 07:11:48,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:11:48,123 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:11:48,124 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:11:48,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:11:48,128 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:11:48,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:11:48" (1/1) ... [2022-12-14 07:11:48,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1198b6fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:11:48, skipping insertion in model container [2022-12-14 07:11:48,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:11:48" (1/1) ... [2022-12-14 07:11:48,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:11:48,185 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:11:48,886 WARN L623 FunctionHandler]: Unknown extern function putchar [2022-12-14 07:11:48,887 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-12-14 07:11:48,890 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-12-14 07:11:48,901 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-12-14 07:11:48,903 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-12-14 07:11:48,934 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2022-12-14 07:11:48,934 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@284dd3c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:11:48, skipping insertion in model container [2022-12-14 07:11:48,934 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:11:48,935 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 07:11:48,936 INFO L158 Benchmark]: Toolchain (without parser) took 812.53ms. Allocated memory is still 81.8MB. Free memory was 56.0MB in the beginning and 47.0MB in the end (delta: 9.0MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2022-12-14 07:11:48,937 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 67.1MB. Free memory is still 46.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 07:11:48,937 INFO L158 Benchmark]: CACSL2BoogieTranslator took 810.22ms. Allocated memory is still 81.8MB. Free memory was 55.7MB in the beginning and 47.0MB in the end (delta: 8.8MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2022-12-14 07:11:48,938 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 67.1MB. Free memory is still 46.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 810.22ms. Allocated memory is still 81.8MB. Free memory was 55.7MB in the beginning and 47.0MB in the end (delta: 8.8MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2536]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN