./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/who-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_f991b430-d2bb-4884-8a30-3c02b8a640ba/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f991b430-d2bb-4884-8a30-3c02b8a640ba/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_f991b430-d2bb-4884-8a30-3c02b8a640ba/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f991b430-d2bb-4884-8a30-3c02b8a640ba/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/who-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f991b430-d2bb-4884-8a30-3c02b8a640ba/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_f991b430-d2bb-4884-8a30-3c02b8a640ba/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 e45b327306a6562d6a4620d8aeeeb1c80e5a817c1ba8b28a2c494470fe4c5348 --- 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 00:11:46,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:11:46,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:11:46,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:11:46,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:11:46,761 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:11:46,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:11:46,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:11:46,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:11:46,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:11:46,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:11:46,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:11:46,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:11:46,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:11:46,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:11:46,781 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:11:46,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:11:46,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:11:46,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:11:46,785 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:11:46,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:11:46,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:11:46,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:11:46,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:11:46,810 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:11:46,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:11:46,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:11:46,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:11:46,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:11:46,812 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:11:46,813 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:11:46,813 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:11:46,814 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:11:46,815 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:11:46,816 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:11:46,816 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:11:46,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:11:46,817 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:11:46,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:11:46,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:11:46,822 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:11:46,824 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f991b430-d2bb-4884-8a30-3c02b8a640ba/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-26 00:11:46,869 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:11:46,870 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:11:46,870 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:11:46,871 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:11:46,872 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:11:46,872 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:11:46,872 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:11:46,872 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:11:46,872 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:11:46,872 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:11:46,873 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:11:46,874 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:11:46,874 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:11:46,874 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:11:46,874 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:11:46,874 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:11:46,875 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:11:46,875 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:11:46,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:11:46,876 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:11:46,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:11:46,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:11:46,876 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:11:46,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:11:46,876 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:11:46,877 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:11:46,877 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:11:46,877 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:11:46,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:11:46,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:11:46,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:11:46,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:11:46,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:11:46,878 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:11:46,879 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:11:46,879 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:11:46,879 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:11:46,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:11:46,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:11:46,879 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:11:46,880 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_f991b430-d2bb-4884-8a30-3c02b8a640ba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f991b430-d2bb-4884-8a30-3c02b8a640ba/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e45b327306a6562d6a4620d8aeeeb1c80e5a817c1ba8b28a2c494470fe4c5348 [2022-11-26 00:11:47,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:11:47,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:11:47,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:11:47,180 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:11:47,180 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:11:47,182 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f991b430-d2bb-4884-8a30-3c02b8a640ba/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/who-2.i [2022-11-26 00:11:50,101 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:11:50,528 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:11:50,528 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f991b430-d2bb-4884-8a30-3c02b8a640ba/sv-benchmarks/c/busybox-1.22.0/who-2.i [2022-11-26 00:11:50,555 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f991b430-d2bb-4884-8a30-3c02b8a640ba/bin/utaipan-ByfvJB40ur/data/444800207/e816ef629c674a2f9350068b07fce718/FLAG5b1091217 [2022-11-26 00:11:50,571 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f991b430-d2bb-4884-8a30-3c02b8a640ba/bin/utaipan-ByfvJB40ur/data/444800207/e816ef629c674a2f9350068b07fce718 [2022-11-26 00:11:50,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:11:50,576 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:11:50,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:11:50,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:11:50,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:11:50,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:11:50" (1/1) ... [2022-11-26 00:11:50,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@159855c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:11:50, skipping insertion in model container [2022-11-26 00:11:50,583 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:11:50" (1/1) ... [2022-11-26 00:11:50,591 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:11:50,663 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:11:51,889 WARN L623 FunctionHandler]: Unknown extern function putchar [2022-11-26 00:11:51,891 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-11-26 00:11:51,893 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-11-26 00:11:51,903 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-11-26 00:11:51,905 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-11-26 00:11:51,933 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2022-11-26 00:11:51,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3e9051c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:11:51, skipping insertion in model container [2022-11-26 00:11:51,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:11:51,934 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 00:11:51,936 INFO L158 Benchmark]: Toolchain (without parser) took 1359.14ms. Allocated memory is still 148.9MB. Free memory was 113.2MB in the beginning and 100.4MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-26 00:11:51,936 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 117.4MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:11:51,937 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1356.59ms. Allocated memory is still 148.9MB. Free memory was 113.2MB in the beginning and 100.4MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-26 00:11:51,938 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 117.4MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1356.59ms. Allocated memory is still 148.9MB. Free memory was 113.2MB in the beginning and 100.4MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2775]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f991b430-d2bb-4884-8a30-3c02b8a640ba/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f991b430-d2bb-4884-8a30-3c02b8a640ba/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_f991b430-d2bb-4884-8a30-3c02b8a640ba/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f991b430-d2bb-4884-8a30-3c02b8a640ba/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/who-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f991b430-d2bb-4884-8a30-3c02b8a640ba/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_f991b430-d2bb-4884-8a30-3c02b8a640ba/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 e45b327306a6562d6a4620d8aeeeb1c80e5a817c1ba8b28a2c494470fe4c5348 --- 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 00:11:54,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:11:54,179 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:11:54,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:11:54,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:11:54,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:11:54,242 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:11:54,243 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:11:54,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:11:54,246 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:11:54,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:11:54,248 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:11:54,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:11:54,249 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:11:54,250 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:11:54,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:11:54,258 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:11:54,259 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:11:54,261 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:11:54,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:11:54,265 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:11:54,266 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:11:54,267 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:11:54,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:11:54,272 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:11:54,272 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:11:54,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:11:54,274 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:11:54,274 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:11:54,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:11:54,276 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:11:54,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:11:54,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:11:54,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:11:54,279 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:11:54,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:11:54,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:11:54,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:11:54,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:11:54,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:11:54,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:11:54,284 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f991b430-d2bb-4884-8a30-3c02b8a640ba/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-26 00:11:54,306 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:11:54,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:11:54,307 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:11:54,307 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:11:54,308 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:11:54,308 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:11:54,308 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:11:54,309 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:11:54,309 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:11:54,309 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:11:54,309 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:11:54,310 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:11:54,311 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:11:54,311 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:11:54,311 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:11:54,311 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:11:54,312 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:11:54,312 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:11:54,312 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:11:54,312 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 00:11:54,313 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:11:54,313 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 00:11:54,313 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:11:54,314 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:11:54,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:11:54,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:11:54,314 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 00:11:54,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:11:54,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:11:54,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:11:54,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:11:54,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:11:54,316 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 00:11:54,316 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 00:11:54,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:11:54,317 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:11:54,317 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 00:11:54,318 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_f991b430-d2bb-4884-8a30-3c02b8a640ba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f991b430-d2bb-4884-8a30-3c02b8a640ba/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e45b327306a6562d6a4620d8aeeeb1c80e5a817c1ba8b28a2c494470fe4c5348 [2022-11-26 00:11:54,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:11:54,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:11:54,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:11:54,703 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:11:54,703 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:11:54,705 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f991b430-d2bb-4884-8a30-3c02b8a640ba/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/who-2.i [2022-11-26 00:11:57,738 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:11:58,226 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:11:58,227 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f991b430-d2bb-4884-8a30-3c02b8a640ba/sv-benchmarks/c/busybox-1.22.0/who-2.i [2022-11-26 00:11:58,255 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f991b430-d2bb-4884-8a30-3c02b8a640ba/bin/utaipan-ByfvJB40ur/data/3101d03ac/1e637e80514b4a2193fa0512f0e84ad8/FLAGc8e08aa47 [2022-11-26 00:11:58,271 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f991b430-d2bb-4884-8a30-3c02b8a640ba/bin/utaipan-ByfvJB40ur/data/3101d03ac/1e637e80514b4a2193fa0512f0e84ad8 [2022-11-26 00:11:58,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:11:58,275 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:11:58,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:11:58,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:11:58,280 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:11:58,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:11:58" (1/1) ... [2022-11-26 00:11:58,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@661b778c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:11:58, skipping insertion in model container [2022-11-26 00:11:58,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:11:58" (1/1) ... [2022-11-26 00:11:58,290 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:11:58,357 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:11:59,612 WARN L623 FunctionHandler]: Unknown extern function putchar [2022-11-26 00:11:59,613 WARN L623 FunctionHandler]: Unknown extern function strtoul [2022-11-26 00:11:59,616 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-11-26 00:11:59,626 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-11-26 00:11:59,629 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-11-26 00:11:59,659 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2022-11-26 00:11:59,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@43f092b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:11:59, skipping insertion in model container [2022-11-26 00:11:59,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:11:59,660 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 00:11:59,662 INFO L158 Benchmark]: Toolchain (without parser) took 1386.31ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 45.5MB in the beginning and 54.1MB in the end (delta: -8.6MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2022-11-26 00:11:59,663 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 73.4MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:11:59,664 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1383.88ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 45.2MB in the beginning and 54.1MB in the end (delta: -8.9MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2022-11-26 00:11:59,665 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 73.4MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1383.88ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 45.2MB in the beginning and 54.1MB in the end (delta: -8.9MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2775]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN