./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/sync-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_29d850a0-447c-4977-a52c-309f955f2c3f/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d850a0-447c-4977-a52c-309f955f2c3f/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d850a0-447c-4977-a52c-309f955f2c3f/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d850a0-447c-4977-a52c-309f955f2c3f/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/sync-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d850a0-447c-4977-a52c-309f955f2c3f/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d850a0-447c-4977-a52c-309f955f2c3f/bin/utaipan-ByfvJB40ur --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 727341e103cd8bce499d9ef3aeff00ef12cc47b8d9139b3e1b87abd8c9cbf8f9 --- 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-38b53e6 [2022-11-25 23:33:26,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:33:26,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:33:26,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:33:26,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:33:26,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:33:26,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:33:26,131 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:33:26,133 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:33:26,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:33:26,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:33:26,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:33:26,137 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:33:26,138 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:33:26,139 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:33:26,140 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:33:26,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:33:26,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:33:26,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:33:26,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:33:26,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:33:26,155 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:33:26,157 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:33:26,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:33:26,189 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:33:26,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:33:26,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:33:26,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:33:26,190 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:33:26,195 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:33:26,197 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:33:26,198 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:33:26,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:33:26,200 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:33:26,201 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:33:26,202 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:33:26,203 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:33:26,204 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:33:26,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:33:26,206 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:33:26,208 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:33:26,209 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d850a0-447c-4977-a52c-309f955f2c3f/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-25 23:33:26,251 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:33:26,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:33:26,252 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:33:26,253 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:33:26,253 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:33:26,254 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:33:26,254 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:33:26,254 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:33:26,254 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:33:26,255 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:33:26,256 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:33:26,256 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:33:26,256 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:33:26,256 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:33:26,256 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:33:26,257 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:33:26,257 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:33:26,257 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:33:26,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:33:26,258 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:33:26,258 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:33:26,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:33:26,259 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:33:26,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:33:26,259 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:33:26,259 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:33:26,260 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:33:26,260 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:33:26,260 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:33:26,261 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:33:26,261 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:33:26,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:33:26,262 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:33:26,262 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:33:26,262 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:33:26,262 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:33:26,262 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:33:26,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:33:26,263 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:33:26,263 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:33:26,263 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_29d850a0-447c-4977-a52c-309f955f2c3f/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d850a0-447c-4977-a52c-309f955f2c3f/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 727341e103cd8bce499d9ef3aeff00ef12cc47b8d9139b3e1b87abd8c9cbf8f9 [2022-11-25 23:33:26,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:33:26,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:33:26,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:33:26,575 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:33:26,575 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:33:26,577 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d850a0-447c-4977-a52c-309f955f2c3f/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/sync-2.i [2022-11-25 23:33:29,623 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:33:30,079 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:33:30,080 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d850a0-447c-4977-a52c-309f955f2c3f/sv-benchmarks/c/busybox-1.22.0/sync-2.i [2022-11-25 23:33:30,113 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d850a0-447c-4977-a52c-309f955f2c3f/bin/utaipan-ByfvJB40ur/data/ee7e58c33/d9ced04aeab040af8c7a65c4f8b0b441/FLAGf3391ffa7 [2022-11-25 23:33:30,134 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d850a0-447c-4977-a52c-309f955f2c3f/bin/utaipan-ByfvJB40ur/data/ee7e58c33/d9ced04aeab040af8c7a65c4f8b0b441 [2022-11-25 23:33:30,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:33:30,141 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:33:30,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:33:30,148 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:33:30,151 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:33:30,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:33:30" (1/1) ... [2022-11-25 23:33:30,153 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e9d31f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:30, skipping insertion in model container [2022-11-25 23:33:30,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:33:30" (1/1) ... [2022-11-25 23:33:30,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:33:30,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:33:31,189 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-11-25 23:33:31,201 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-11-25 23:33:31,205 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg [2022-11-25 23:33:31,205 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4c4f678c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:31, skipping insertion in model container [2022-11-25 23:33:31,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:33:31,206 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 23:33:31,208 INFO L158 Benchmark]: Toolchain (without parser) took 1066.06ms. Allocated memory is still 180.4MB. Free memory was 148.3MB in the beginning and 135.6MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 23:33:31,209 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 130.0MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:33:31,209 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1059.34ms. Allocated memory is still 180.4MB. Free memory was 147.5MB in the beginning and 135.6MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 23:33:31,211 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 130.0MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1059.34ms. Allocated memory is still 180.4MB. Free memory was 147.5MB in the beginning and 135.6MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1871]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_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_29d850a0-447c-4977-a52c-309f955f2c3f/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d850a0-447c-4977-a52c-309f955f2c3f/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d850a0-447c-4977-a52c-309f955f2c3f/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d850a0-447c-4977-a52c-309f955f2c3f/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/sync-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d850a0-447c-4977-a52c-309f955f2c3f/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d850a0-447c-4977-a52c-309f955f2c3f/bin/utaipan-ByfvJB40ur --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 727341e103cd8bce499d9ef3aeff00ef12cc47b8d9139b3e1b87abd8c9cbf8f9 --- 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-38b53e6 [2022-11-25 23:33:33,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:33:33,472 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:33:33,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:33:33,525 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:33:33,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:33:33,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:33:33,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:33:33,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:33:33,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:33:33,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:33:33,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:33:33,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:33:33,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:33:33,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:33:33,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:33:33,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:33:33,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:33:33,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:33:33,571 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:33:33,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:33:33,580 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:33:33,581 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:33:33,582 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:33:33,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:33:33,589 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:33:33,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:33:33,591 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:33:33,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:33:33,596 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:33:33,597 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:33:33,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:33:33,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:33:33,601 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:33:33,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:33:33,603 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:33:33,604 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:33:33,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:33:33,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:33:33,606 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:33:33,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:33:33,610 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d850a0-447c-4977-a52c-309f955f2c3f/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-25 23:33:33,649 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:33:33,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:33:33,651 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:33:33,651 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:33:33,652 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:33:33,652 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:33:33,652 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:33:33,652 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:33:33,653 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:33:33,653 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:33:33,653 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:33:33,653 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:33:33,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:33:33,654 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:33:33,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:33:33,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:33:33,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:33:33,655 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:33:33,655 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 23:33:33,655 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 23:33:33,655 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:33:33,655 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 23:33:33,655 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:33:33,655 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:33:33,656 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:33:33,656 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:33:33,656 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 23:33:33,656 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:33:33,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:33:33,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:33:33,657 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:33:33,657 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:33:33,657 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 23:33:33,657 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 23:33:33,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:33:33,657 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:33:33,658 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 23:33:33,658 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_29d850a0-447c-4977-a52c-309f955f2c3f/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d850a0-447c-4977-a52c-309f955f2c3f/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 727341e103cd8bce499d9ef3aeff00ef12cc47b8d9139b3e1b87abd8c9cbf8f9 [2022-11-25 23:33:34,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:33:34,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:33:34,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:33:34,116 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:33:34,116 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:33:34,118 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d850a0-447c-4977-a52c-309f955f2c3f/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/sync-2.i [2022-11-25 23:33:37,258 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:33:37,722 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:33:37,732 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d850a0-447c-4977-a52c-309f955f2c3f/sv-benchmarks/c/busybox-1.22.0/sync-2.i [2022-11-25 23:33:37,762 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d850a0-447c-4977-a52c-309f955f2c3f/bin/utaipan-ByfvJB40ur/data/87fb6bc35/cc732f195f9b4f288db6b617f09be03b/FLAG1c7222e4e [2022-11-25 23:33:37,782 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29d850a0-447c-4977-a52c-309f955f2c3f/bin/utaipan-ByfvJB40ur/data/87fb6bc35/cc732f195f9b4f288db6b617f09be03b [2022-11-25 23:33:37,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:33:37,792 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:33:37,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:33:37,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:33:37,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:33:37,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:33:37" (1/1) ... [2022-11-25 23:33:37,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a54745a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:37, skipping insertion in model container [2022-11-25 23:33:37,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:33:37" (1/1) ... [2022-11-25 23:33:37,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:33:37,887 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:33:38,848 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-11-25 23:33:38,859 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-11-25 23:33:38,863 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg [2022-11-25 23:33:38,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@473a5bb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:38, skipping insertion in model container [2022-11-25 23:33:38,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:33:38,865 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 23:33:38,866 INFO L158 Benchmark]: Toolchain (without parser) took 1073.63ms. Allocated memory is still 90.2MB. Free memory was 63.7MB in the beginning and 64.8MB in the end (delta: -1.0MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2022-11-25 23:33:38,867 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 69.2MB. Free memory was 47.5MB in the beginning and 47.4MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:33:38,868 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1068.88ms. Allocated memory is still 90.2MB. Free memory was 63.7MB in the beginning and 64.8MB in the end (delta: -1.0MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2022-11-25 23:33:38,869 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 69.2MB. Free memory was 47.5MB in the beginning and 47.4MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1068.88ms. Allocated memory is still 90.2MB. Free memory was 63.7MB in the beginning and 64.8MB in the end (delta: -1.0MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1871]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_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