./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_f93f393e-4039-4926-bc39-a86ed5cbd291/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93f393e-4039-4926-bc39-a86ed5cbd291/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93f393e-4039-4926-bc39-a86ed5cbd291/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93f393e-4039-4926-bc39-a86ed5cbd291/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93f393e-4039-4926-bc39-a86ed5cbd291/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93f393e-4039-4926-bc39-a86ed5cbd291/bin/utaipan-g80aRyZoba --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 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e --- 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-b5237d8 [2022-11-22 02:28:58,071 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:28:58,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:28:58,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:28:58,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:28:58,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:28:58,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:28:58,115 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:28:58,117 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:28:58,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:28:58,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:28:58,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:28:58,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:28:58,128 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:28:58,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:28:58,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:28:58,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:28:58,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:28:58,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:28:58,141 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:28:58,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:28:58,148 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:28:58,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:28:58,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:28:58,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:28:58,162 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:28:58,162 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:28:58,164 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:28:58,165 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:28:58,166 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:28:58,167 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:28:58,167 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:28:58,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:28:58,171 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:28:58,172 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:28:58,172 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:28:58,173 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:28:58,173 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:28:58,174 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:28:58,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:28:58,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:28:58,177 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93f393e-4039-4926-bc39-a86ed5cbd291/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-22 02:28:58,220 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:28:58,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:28:58,220 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:28:58,221 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:28:58,221 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:28:58,221 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:28:58,222 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:28:58,222 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:28:58,222 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:28:58,222 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:28:58,222 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:28:58,222 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:28:58,225 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:28:58,226 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:28:58,226 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:28:58,226 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:28:58,226 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:28:58,226 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:28:58,227 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:28:58,227 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 02:28:58,228 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:28:58,228 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:28:58,228 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:28:58,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:28:58,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:28:58,229 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 02:28:58,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:28:58,229 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:28:58,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:28:58,231 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:28:58,231 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:28:58,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:28:58,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:28:58,232 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:28:58,232 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:28:58,232 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:28:58,233 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:28:58,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:28:58,233 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:28:58,234 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:28:58,234 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_f93f393e-4039-4926-bc39-a86ed5cbd291/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93f393e-4039-4926-bc39-a86ed5cbd291/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2022-11-22 02:28:58,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:28:58,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:28:58,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:28:58,560 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:28:58,561 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:28:58,562 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93f393e-4039-4926-bc39-a86ed5cbd291/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-11-22 02:29:01,615 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:29:02,060 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:29:02,061 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93f393e-4039-4926-bc39-a86ed5cbd291/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-11-22 02:29:02,102 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93f393e-4039-4926-bc39-a86ed5cbd291/bin/utaipan-g80aRyZoba/data/4c34d7a60/aea3fa8fdc0d4e118c16621efb9702a4/FLAG421b60619 [2022-11-22 02:29:02,123 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93f393e-4039-4926-bc39-a86ed5cbd291/bin/utaipan-g80aRyZoba/data/4c34d7a60/aea3fa8fdc0d4e118c16621efb9702a4 [2022-11-22 02:29:02,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:29:02,129 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:29:02,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:29:02,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:29:02,137 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:29:02,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:29:02" (1/1) ... [2022-11-22 02:29:02,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ecd5cda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:02, skipping insertion in model container [2022-11-22 02:29:02,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:29:02" (1/1) ... [2022-11-22 02:29:02,148 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:29:02,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:29:03,378 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2022-11-22 02:29:03,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@682820c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:03, skipping insertion in model container [2022-11-22 02:29:03,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:29:03,380 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-22 02:29:03,381 INFO L158 Benchmark]: Toolchain (without parser) took 1251.40ms. Allocated memory is still 140.5MB. Free memory was 97.8MB in the beginning and 98.7MB in the end (delta: -960.5kB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-22 02:29:03,382 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:29:03,383 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1246.22ms. Allocated memory is still 140.5MB. Free memory was 97.8MB in the beginning and 99.1MB in the end (delta: -1.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-22 02:29:03,384 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1246.22ms. Allocated memory is still 140.5MB. Free memory was 97.8MB in the beginning and 99.1MB in the end (delta: -1.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93f393e-4039-4926-bc39-a86ed5cbd291/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93f393e-4039-4926-bc39-a86ed5cbd291/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93f393e-4039-4926-bc39-a86ed5cbd291/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93f393e-4039-4926-bc39-a86ed5cbd291/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93f393e-4039-4926-bc39-a86ed5cbd291/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93f393e-4039-4926-bc39-a86ed5cbd291/bin/utaipan-g80aRyZoba --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 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e --- 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-b5237d8 [2022-11-22 02:29:05,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:29:05,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:29:05,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:29:05,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:29:05,788 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:29:05,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:29:05,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:29:05,797 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:29:05,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:29:05,804 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:29:05,806 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:29:05,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:29:05,809 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:29:05,810 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:29:05,817 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:29:05,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:29:05,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:29:05,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:29:05,825 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:29:05,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:29:05,829 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:29:05,831 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:29:05,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:29:05,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:29:05,842 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:29:05,842 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:29:05,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:29:05,845 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:29:05,846 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:29:05,846 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:29:05,847 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:29:05,849 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:29:05,850 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:29:05,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:29:05,851 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:29:05,852 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:29:05,852 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:29:05,852 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:29:05,853 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:29:05,856 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:29:05,861 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93f393e-4039-4926-bc39-a86ed5cbd291/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-22 02:29:05,899 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:29:05,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:29:05,901 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:29:05,901 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:29:05,902 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:29:05,902 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:29:05,902 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:29:05,903 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:29:05,903 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:29:05,903 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:29:05,904 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:29:05,905 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:29:05,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:29:05,906 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 02:29:05,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:29:05,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:29:05,907 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:29:05,907 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:29:05,907 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 02:29:05,907 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-22 02:29:05,908 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 02:29:05,908 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-22 02:29:05,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:29:05,908 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:29:05,909 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:29:05,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:29:05,909 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-22 02:29:05,910 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:29:05,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:29:05,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:29:05,911 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:29:05,911 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:29:05,911 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-22 02:29:05,912 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-22 02:29:05,912 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:29:05,912 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:29:05,912 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-22 02:29:05,913 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_f93f393e-4039-4926-bc39-a86ed5cbd291/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93f393e-4039-4926-bc39-a86ed5cbd291/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2022-11-22 02:29:06,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:29:06,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:29:06,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:29:06,354 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:29:06,354 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:29:06,356 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93f393e-4039-4926-bc39-a86ed5cbd291/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-11-22 02:29:09,468 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:29:09,884 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:29:09,885 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93f393e-4039-4926-bc39-a86ed5cbd291/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-11-22 02:29:09,915 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93f393e-4039-4926-bc39-a86ed5cbd291/bin/utaipan-g80aRyZoba/data/9b36c8a0a/78e595bd3cb44a38966dab892825f59e/FLAG5e1caef0f [2022-11-22 02:29:09,933 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f93f393e-4039-4926-bc39-a86ed5cbd291/bin/utaipan-g80aRyZoba/data/9b36c8a0a/78e595bd3cb44a38966dab892825f59e [2022-11-22 02:29:09,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:29:09,937 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:29:09,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:29:09,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:29:09,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:29:09,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:29:09" (1/1) ... [2022-11-22 02:29:09,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@572faf86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:09, skipping insertion in model container [2022-11-22 02:29:09,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:29:09" (1/1) ... [2022-11-22 02:29:09,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:29:10,034 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:29:11,200 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2022-11-22 02:29:11,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@469db0bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:29:11, skipping insertion in model container [2022-11-22 02:29:11,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:29:11,201 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-22 02:29:11,203 INFO L158 Benchmark]: Toolchain (without parser) took 1265.55ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 32.1MB in the beginning and 49.5MB in the end (delta: -17.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-22 02:29:11,204 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 62.9MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:29:11,205 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1260.77ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 31.9MB in the beginning and 49.5MB in the end (delta: -17.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-22 02:29:11,206 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 62.9MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1260.77ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 31.9MB in the beginning and 49.5MB in the end (delta: -17.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_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