./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/rm-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_8805a2df-defb-4f7f-a629-24eb1f125931/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8805a2df-defb-4f7f-a629-24eb1f125931/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_8805a2df-defb-4f7f-a629-24eb1f125931/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8805a2df-defb-4f7f-a629-24eb1f125931/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/rm-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8805a2df-defb-4f7f-a629-24eb1f125931/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_8805a2df-defb-4f7f-a629-24eb1f125931/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 8cb2d2b3d33ac46922dd9ed48f365295f34240e5655283ca6c18d9e6487aa5ac --- 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 23:57:09,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:57:09,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:57:09,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:57:09,263 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:57:09,264 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:57:09,265 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:57:09,267 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:57:09,269 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:57:09,270 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:57:09,271 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:57:09,272 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:57:09,273 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:57:09,274 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:57:09,275 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:57:09,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:57:09,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:57:09,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:57:09,281 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:57:09,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:57:09,284 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:57:09,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:57:09,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:57:09,288 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:57:09,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:57:09,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:57:09,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:57:09,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:57:09,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:57:09,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:57:09,296 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:57:09,297 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:57:09,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:57:09,299 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:57:09,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:57:09,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:57:09,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:57:09,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:57:09,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:57:09,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:57:09,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:57:09,315 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8805a2df-defb-4f7f-a629-24eb1f125931/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-25 23:57:09,362 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:57:09,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:57:09,364 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:57:09,364 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:57:09,365 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:57:09,365 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:57:09,365 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:57:09,366 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:57:09,366 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:57:09,366 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:57:09,367 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:57:09,367 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:57:09,368 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:57:09,368 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:57:09,368 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:57:09,368 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:57:09,369 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:57:09,369 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:57:09,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:57:09,371 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:57:09,371 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:57:09,371 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:57:09,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:57:09,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:57:09,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:57:09,372 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:57:09,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:57:09,373 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:57:09,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:57:09,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:57:09,374 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:57:09,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:57:09,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:57:09,375 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:57:09,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:57:09,375 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:57:09,375 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:57:09,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:57:09,376 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:57:09,376 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:57:09,376 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_8805a2df-defb-4f7f-a629-24eb1f125931/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8805a2df-defb-4f7f-a629-24eb1f125931/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8cb2d2b3d33ac46922dd9ed48f365295f34240e5655283ca6c18d9e6487aa5ac [2022-11-25 23:57:09,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:57:09,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:57:09,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:57:09,754 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:57:09,754 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:57:09,756 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8805a2df-defb-4f7f-a629-24eb1f125931/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/rm-2.i [2022-11-25 23:57:12,942 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:57:13,499 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:57:13,500 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8805a2df-defb-4f7f-a629-24eb1f125931/sv-benchmarks/c/busybox-1.22.0/rm-2.i [2022-11-25 23:57:13,535 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8805a2df-defb-4f7f-a629-24eb1f125931/bin/utaipan-ByfvJB40ur/data/001798127/d5853ee5cf884e60a3bb1ace9f7d278c/FLAGa06ca8f15 [2022-11-25 23:57:13,554 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8805a2df-defb-4f7f-a629-24eb1f125931/bin/utaipan-ByfvJB40ur/data/001798127/d5853ee5cf884e60a3bb1ace9f7d278c [2022-11-25 23:57:13,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:57:13,561 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:57:13,568 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:57:13,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:57:13,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:57:13,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:57:13" (1/1) ... [2022-11-25 23:57:13,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f752200 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:57:13, skipping insertion in model container [2022-11-25 23:57:13,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:57:13" (1/1) ... [2022-11-25 23:57:13,588 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:57:13,693 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:57:15,712 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-11-25 23:57:15,729 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-25 23:57:15,735 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-11-25 23:57:15,743 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-11-25 23:57:15,767 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-11-25 23:57:15,780 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2022-11-25 23:57:15,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@37603b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:57:15, skipping insertion in model container [2022-11-25 23:57:15,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:57:15,787 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 23:57:15,790 INFO L158 Benchmark]: Toolchain (without parser) took 2227.37ms. Allocated memory is still 159.4MB. Free memory was 105.8MB in the beginning and 73.7MB in the end (delta: 32.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-25 23:57:15,791 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 102.8MB. Free memory was 51.4MB in the beginning and 51.4MB in the end (delta: 45.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:57:15,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2218.97ms. Allocated memory is still 159.4MB. Free memory was 105.8MB in the beginning and 74.4MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-25 23:57:15,794 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 102.8MB. Free memory was 51.4MB in the beginning and 51.4MB in the end (delta: 45.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2218.97ms. Allocated memory is still 159.4MB. Free memory was 105.8MB in the beginning and 74.4MB in the end (delta: 31.5MB). 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8805a2df-defb-4f7f-a629-24eb1f125931/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8805a2df-defb-4f7f-a629-24eb1f125931/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_8805a2df-defb-4f7f-a629-24eb1f125931/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8805a2df-defb-4f7f-a629-24eb1f125931/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/rm-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8805a2df-defb-4f7f-a629-24eb1f125931/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_8805a2df-defb-4f7f-a629-24eb1f125931/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 8cb2d2b3d33ac46922dd9ed48f365295f34240e5655283ca6c18d9e6487aa5ac --- 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 23:57:18,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:57:18,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:57:18,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:57:18,422 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:57:18,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:57:18,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:57:18,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:57:18,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:57:18,431 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:57:18,432 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:57:18,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:57:18,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:57:18,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:57:18,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:57:18,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:57:18,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:57:18,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:57:18,445 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:57:18,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:57:18,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:57:18,459 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:57:18,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:57:18,462 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:57:18,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:57:18,475 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:57:18,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:57:18,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:57:18,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:57:18,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:57:18,480 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:57:18,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:57:18,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:57:18,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:57:18,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:57:18,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:57:18,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:57:18,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:57:18,497 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:57:18,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:57:18,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:57:18,500 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8805a2df-defb-4f7f-a629-24eb1f125931/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-25 23:57:18,549 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:57:18,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:57:18,551 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:57:18,552 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:57:18,553 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:57:18,553 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:57:18,554 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:57:18,554 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:57:18,554 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:57:18,555 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:57:18,556 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:57:18,557 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:57:18,558 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:57:18,558 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:57:18,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:57:18,559 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:57:18,559 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:57:18,559 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:57:18,560 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 23:57:18,560 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 23:57:18,560 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:57:18,561 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 23:57:18,561 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:57:18,561 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:57:18,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:57:18,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:57:18,563 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 23:57:18,563 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:57:18,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:57:18,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:57:18,564 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:57:18,564 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:57:18,565 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 23:57:18,565 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 23:57:18,566 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:57:18,566 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:57:18,567 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 23:57:18,567 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_8805a2df-defb-4f7f-a629-24eb1f125931/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8805a2df-defb-4f7f-a629-24eb1f125931/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8cb2d2b3d33ac46922dd9ed48f365295f34240e5655283ca6c18d9e6487aa5ac [2022-11-25 23:57:19,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:57:19,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:57:19,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:57:19,051 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:57:19,052 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:57:19,053 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8805a2df-defb-4f7f-a629-24eb1f125931/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/rm-2.i [2022-11-25 23:57:22,904 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:57:23,390 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:57:23,391 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8805a2df-defb-4f7f-a629-24eb1f125931/sv-benchmarks/c/busybox-1.22.0/rm-2.i [2022-11-25 23:57:23,432 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8805a2df-defb-4f7f-a629-24eb1f125931/bin/utaipan-ByfvJB40ur/data/0e50e76af/b68fff7da0ee4ab5af861fb24194fce9/FLAG1a335c64f [2022-11-25 23:57:23,459 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8805a2df-defb-4f7f-a629-24eb1f125931/bin/utaipan-ByfvJB40ur/data/0e50e76af/b68fff7da0ee4ab5af861fb24194fce9 [2022-11-25 23:57:23,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:57:23,464 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:57:23,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:57:23,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:57:23,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:57:23,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:57:23" (1/1) ... [2022-11-25 23:57:23,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e72e483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:57:23, skipping insertion in model container [2022-11-25 23:57:23,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:57:23" (1/1) ... [2022-11-25 23:57:23,492 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:57:23,600 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:57:25,213 WARN L623 FunctionHandler]: Unknown extern function strrchr [2022-11-25 23:57:25,231 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-25 23:57:25,233 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-11-25 23:57:25,239 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-11-25 23:57:25,267 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-11-25 23:57:25,277 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2022-11-25 23:57:25,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@178987d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:57:25, skipping insertion in model container [2022-11-25 23:57:25,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:57:25,280 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 23:57:25,283 INFO L158 Benchmark]: Toolchain (without parser) took 1816.91ms. Allocated memory is still 77.6MB. Free memory was 48.7MB in the beginning and 33.0MB in the end (delta: 15.7MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2022-11-25 23:57:25,284 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 56.6MB. Free memory was 34.5MB in the beginning and 34.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:57:25,284 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1804.53ms. Allocated memory is still 77.6MB. Free memory was 48.5MB in the beginning and 33.0MB in the end (delta: 15.5MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2022-11-25 23:57:25,286 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 56.6MB. Free memory was 34.5MB in the beginning and 34.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1804.53ms. Allocated memory is still 77.6MB. Free memory was 48.5MB in the beginning and 33.0MB in the end (delta: 15.5MB). Peak memory consumption was 15.2MB. 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