./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/rm-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b0bbad-5cf0-413a-b665-adda87011f17/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b0bbad-5cf0-413a-b665-adda87011f17/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_85b0bbad-5cf0-413a-b665-adda87011f17/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b0bbad-5cf0-413a-b665-adda87011f17/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/rm-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b0bbad-5cf0-413a-b665-adda87011f17/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_85b0bbad-5cf0-413a-b665-adda87011f17/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 19eb8d8de30961dea99f1a23c58cfcdeda6ffbc5b9044422b635711938f56b03 --- 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 [2022-11-26 00:15:45,091 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:15:45,093 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:15:45,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:15:45,137 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:15:45,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:15:45,143 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:15:45,147 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:15:45,151 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:15:45,157 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:15:45,158 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:15:45,159 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:15:45,160 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:15:45,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:15:45,162 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:15:45,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:15:45,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:15:45,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:15:45,170 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:15:45,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:15:45,180 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:15:45,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:15:45,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:15:45,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:15:45,195 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:15:45,195 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:15:45,196 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:15:45,198 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:15:45,198 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:15:45,199 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:15:45,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:15:45,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:15:45,203 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:15:45,204 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:15:45,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:15:45,207 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:15:45,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:15:45,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:15:45,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:15:45,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:15:45,210 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:15:45,211 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b0bbad-5cf0-413a-b665-adda87011f17/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-26 00:15:45,249 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:15:45,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:15:45,250 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:15:45,251 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:15:45,252 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:15:45,252 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:15:45,252 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:15:45,253 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:15:45,253 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:15:45,253 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:15:45,255 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:15:45,255 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:15:45,255 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:15:45,256 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:15:45,256 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:15:45,256 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:15:45,257 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:15:45,257 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:15:45,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:15:45,258 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:15:45,258 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:15:45,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:15:45,259 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:15:45,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:15:45,260 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:15:45,260 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:15:45,261 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:15:45,261 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:15:45,261 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:15:45,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:15:45,262 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:15:45,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:15:45,263 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:15:45,263 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:15:45,263 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:15:45,263 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:15:45,264 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:15:45,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:15:45,264 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:15:45,264 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:15:45,265 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_85b0bbad-5cf0-413a-b665-adda87011f17/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b0bbad-5cf0-413a-b665-adda87011f17/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19eb8d8de30961dea99f1a23c58cfcdeda6ffbc5b9044422b635711938f56b03 [2022-11-26 00:15:45,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:15:45,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:15:45,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:15:45,557 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:15:45,558 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:15:45,559 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b0bbad-5cf0-413a-b665-adda87011f17/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/rm-1.i [2022-11-26 00:15:48,733 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:15:49,190 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:15:49,193 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b0bbad-5cf0-413a-b665-adda87011f17/sv-benchmarks/c/busybox-1.22.0/rm-1.i [2022-11-26 00:15:49,240 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b0bbad-5cf0-413a-b665-adda87011f17/bin/utaipan-ByfvJB40ur/data/e88537466/5022ad6f12644c879ea321dae2b4ac72/FLAG98c148679 [2022-11-26 00:15:49,255 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b0bbad-5cf0-413a-b665-adda87011f17/bin/utaipan-ByfvJB40ur/data/e88537466/5022ad6f12644c879ea321dae2b4ac72 [2022-11-26 00:15:49,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:15:49,259 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:15:49,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:15:49,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:15:49,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:15:49,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:15:49" (1/1) ... [2022-11-26 00:15:49,266 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7715a6bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:15:49, skipping insertion in model container [2022-11-26 00:15:49,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:15:49" (1/1) ... [2022-11-26 00:15:49,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:15:49,372 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:15:51,044 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-11-26 00:15:51,062 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 00:15:51,064 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-11-26 00:15:51,073 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-11-26 00:15:51,092 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-11-26 00:15:51,104 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2022-11-26 00:15:51,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3b22be6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:15:51, skipping insertion in model container [2022-11-26 00:15:51,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:15:51,106 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 00:15:51,108 INFO L158 Benchmark]: Toolchain (without parser) took 1848.20ms. Allocated memory is still 186.6MB. Free memory was 138.8MB in the beginning and 106.8MB in the end (delta: 32.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-26 00:15:51,109 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 138.4MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:15:51,109 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1845.74ms. Allocated memory is still 186.6MB. Free memory was 138.8MB in the beginning and 106.8MB in the end (delta: 32.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-26 00:15:51,111 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 138.4MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1845.74ms. Allocated memory is still 186.6MB. Free memory was 138.8MB in the beginning and 106.8MB in the end (delta: 32.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2721]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: xasprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b0bbad-5cf0-413a-b665-adda87011f17/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b0bbad-5cf0-413a-b665-adda87011f17/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_85b0bbad-5cf0-413a-b665-adda87011f17/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b0bbad-5cf0-413a-b665-adda87011f17/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/rm-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b0bbad-5cf0-413a-b665-adda87011f17/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_85b0bbad-5cf0-413a-b665-adda87011f17/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 19eb8d8de30961dea99f1a23c58cfcdeda6ffbc5b9044422b635711938f56b03 --- 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 [2022-11-26 00:15:53,416 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:15:53,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:15:53,460 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:15:53,461 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:15:53,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:15:53,467 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:15:53,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:15:53,472 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:15:53,478 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:15:53,479 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:15:53,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:15:53,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:15:53,484 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:15:53,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:15:53,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:15:53,493 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:15:53,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:15:53,496 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:15:53,503 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:15:53,505 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:15:53,508 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:15:53,509 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:15:53,510 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:15:53,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:15:53,518 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:15:53,519 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:15:53,523 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:15:53,524 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:15:53,525 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:15:53,526 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:15:53,527 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:15:53,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:15:53,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:15:53,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:15:53,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:15:53,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:15:53,547 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:15:53,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:15:53,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:15:53,549 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:15:53,554 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b0bbad-5cf0-413a-b665-adda87011f17/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-26 00:15:53,596 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:15:53,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:15:53,598 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:15:53,598 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:15:53,599 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:15:53,600 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:15:53,600 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:15:53,600 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:15:53,600 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:15:53,601 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:15:53,602 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:15:53,602 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:15:53,603 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:15:53,603 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:15:53,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:15:53,604 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:15:53,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:15:53,604 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:15:53,604 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:15:53,605 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 00:15:53,605 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:15:53,605 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 00:15:53,605 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:15:53,606 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:15:53,606 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:15:53,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:15:53,607 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 00:15:53,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:15:53,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:15:53,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:15:53,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:15:53,608 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:15:53,608 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 00:15:53,609 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 00:15:53,609 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:15:53,609 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:15:53,609 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 00:15:53,610 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_85b0bbad-5cf0-413a-b665-adda87011f17/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b0bbad-5cf0-413a-b665-adda87011f17/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19eb8d8de30961dea99f1a23c58cfcdeda6ffbc5b9044422b635711938f56b03 [2022-11-26 00:15:54,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:15:54,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:15:54,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:15:54,062 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:15:54,062 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:15:54,064 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b0bbad-5cf0-413a-b665-adda87011f17/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/rm-1.i [2022-11-26 00:15:56,970 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:15:57,577 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:15:57,578 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b0bbad-5cf0-413a-b665-adda87011f17/sv-benchmarks/c/busybox-1.22.0/rm-1.i [2022-11-26 00:15:57,619 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b0bbad-5cf0-413a-b665-adda87011f17/bin/utaipan-ByfvJB40ur/data/5f04040aa/0d4abc2dd4fe4a179fb42d6ade2bae59/FLAGb165f3918 [2022-11-26 00:15:57,643 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85b0bbad-5cf0-413a-b665-adda87011f17/bin/utaipan-ByfvJB40ur/data/5f04040aa/0d4abc2dd4fe4a179fb42d6ade2bae59 [2022-11-26 00:15:57,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:15:57,647 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:15:57,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:15:57,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:15:57,659 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:15:57,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:15:57" (1/1) ... [2022-11-26 00:15:57,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c3d239a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:15:57, skipping insertion in model container [2022-11-26 00:15:57,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:15:57" (1/1) ... [2022-11-26 00:15:57,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:15:57,803 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:15:59,598 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-11-26 00:15:59,614 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 00:15:59,618 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-11-26 00:15:59,623 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-11-26 00:15:59,646 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-11-26 00:15:59,653 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2022-11-26 00:15:59,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6985d38b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:15:59, skipping insertion in model container [2022-11-26 00:15:59,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:15:59,655 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 00:15:59,658 INFO L158 Benchmark]: Toolchain (without parser) took 2008.64ms. Allocated memory is still 79.7MB. Free memory was 52.7MB in the beginning and 40.5MB in the end (delta: 12.1MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2022-11-26 00:15:59,658 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 56.6MB. Free memory is still 34.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:15:59,659 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2000.89ms. Allocated memory is still 79.7MB. Free memory was 52.1MB in the beginning and 40.5MB in the end (delta: 11.5MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2022-11-26 00:15:59,660 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 56.6MB. Free memory is still 34.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2000.89ms. Allocated memory is still 79.7MB. Free memory was 52.1MB in the beginning and 40.5MB in the end (delta: 11.5MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2721]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: xasprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN