./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/echo-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_4eccdb3b-4b22-4d8c-a833-8b78a5b94e1b/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eccdb3b-4b22-4d8c-a833-8b78a5b94e1b/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_4eccdb3b-4b22-4d8c-a833-8b78a5b94e1b/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eccdb3b-4b22-4d8c-a833-8b78a5b94e1b/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/echo-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eccdb3b-4b22-4d8c-a833-8b78a5b94e1b/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_4eccdb3b-4b22-4d8c-a833-8b78a5b94e1b/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 ec8c1840711640ca888d089fb025731988313351c78c18fc65f57765a4fcfb44 --- 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 23:34:57,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:34:57,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:34:57,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:34:57,217 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:34:57,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:34:57,220 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:34:57,222 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:34:57,224 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:34:57,225 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:34:57,226 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:34:57,227 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:34:57,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:34:57,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:34:57,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:34:57,231 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:34:57,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:34:57,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:34:57,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:34:57,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:34:57,239 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:34:57,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:34:57,242 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:34:57,243 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:34:57,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:34:57,248 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:34:57,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:34:57,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:34:57,250 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:34:57,251 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:34:57,252 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:34:57,252 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:34:57,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:34:57,254 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:34:57,255 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:34:57,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:34:57,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:34:57,257 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:34:57,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:34:57,258 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:34:57,259 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:34:57,260 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eccdb3b-4b22-4d8c-a833-8b78a5b94e1b/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-25 23:34:57,284 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:34:57,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:34:57,285 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:34:57,285 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:34:57,286 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:34:57,287 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:34:57,287 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:34:57,287 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:34:57,287 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:34:57,288 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:34:57,288 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:34:57,288 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:34:57,289 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:34:57,289 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:34:57,289 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:34:57,289 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:34:57,290 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:34:57,290 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:34:57,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:34:57,291 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:34:57,292 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:34:57,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:34:57,292 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:34:57,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:34:57,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:34:57,293 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:34:57,293 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:34:57,293 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:34:57,293 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:34:57,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:34:57,294 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:34:57,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:34:57,295 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:34:57,295 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:34:57,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:34:57,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:34:57,295 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:34:57,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:34:57,296 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:34:57,296 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:34:57,296 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_4eccdb3b-4b22-4d8c-a833-8b78a5b94e1b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eccdb3b-4b22-4d8c-a833-8b78a5b94e1b/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec8c1840711640ca888d089fb025731988313351c78c18fc65f57765a4fcfb44 [2022-11-25 23:34:57,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:34:57,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:34:57,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:34:57,579 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:34:57,580 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:34:57,581 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eccdb3b-4b22-4d8c-a833-8b78a5b94e1b/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/echo-2.i [2022-11-25 23:35:00,610 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:35:01,049 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:35:01,051 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eccdb3b-4b22-4d8c-a833-8b78a5b94e1b/sv-benchmarks/c/busybox-1.22.0/echo-2.i [2022-11-25 23:35:01,087 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eccdb3b-4b22-4d8c-a833-8b78a5b94e1b/bin/utaipan-ByfvJB40ur/data/b7b644515/544a2cf7d11b41cd9272e566dba19a51/FLAGfe96d8ca5 [2022-11-25 23:35:01,113 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eccdb3b-4b22-4d8c-a833-8b78a5b94e1b/bin/utaipan-ByfvJB40ur/data/b7b644515/544a2cf7d11b41cd9272e566dba19a51 [2022-11-25 23:35:01,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:35:01,117 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:35:01,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:35:01,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:35:01,122 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:35:01,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:35:01" (1/1) ... [2022-11-25 23:35:01,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21bb97fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:35:01, skipping insertion in model container [2022-11-25 23:35:01,125 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:35:01" (1/1) ... [2022-11-25 23:35:01,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:35:01,221 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:35:02,540 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-25 23:35:02,568 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-11-25 23:35:02,582 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-11-25 23:35:02,601 WARN L623 FunctionHandler]: Unknown extern function stpcpy [2022-11-25 23:35:02,616 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-25 23:35:02,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@155ddb12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:35:02, skipping insertion in model container [2022-11-25 23:35:02,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:35:02,619 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 23:35:02,621 INFO L158 Benchmark]: Toolchain (without parser) took 1502.78ms. Allocated memory is still 169.9MB. Free memory was 127.8MB in the beginning and 101.7MB in the end (delta: 26.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-25 23:35:02,622 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 127.9MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:35:02,623 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1499.87ms. Allocated memory is still 169.9MB. Free memory was 127.2MB in the beginning and 101.7MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-25 23:35:02,625 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 127.9MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1499.87ms. Allocated memory is still 169.9MB. Free memory was 127.2MB in the beginning and 101.7MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2530]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eccdb3b-4b22-4d8c-a833-8b78a5b94e1b/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eccdb3b-4b22-4d8c-a833-8b78a5b94e1b/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_4eccdb3b-4b22-4d8c-a833-8b78a5b94e1b/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eccdb3b-4b22-4d8c-a833-8b78a5b94e1b/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/echo-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eccdb3b-4b22-4d8c-a833-8b78a5b94e1b/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_4eccdb3b-4b22-4d8c-a833-8b78a5b94e1b/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 ec8c1840711640ca888d089fb025731988313351c78c18fc65f57765a4fcfb44 --- 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 23:35:05,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:35:05,054 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:35:05,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:35:05,108 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:35:05,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:35:05,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:35:05,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:35:05,123 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:35:05,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:35:05,127 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:35:05,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:35:05,131 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:35:05,139 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:35:05,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:35:05,142 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:35:05,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:35:05,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:35:05,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:35:05,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:35:05,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:35:05,168 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:35:05,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:35:05,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:35:05,176 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:35:05,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:35:05,179 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:35:05,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:35:05,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:35:05,184 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:35:05,184 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:35:05,186 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:35:05,188 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:35:05,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:35:05,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:35:05,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:35:05,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:35:05,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:35:05,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:35:05,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:35:05,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:35:05,196 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eccdb3b-4b22-4d8c-a833-8b78a5b94e1b/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-25 23:35:05,234 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:35:05,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:35:05,235 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:35:05,235 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:35:05,236 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:35:05,236 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:35:05,236 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:35:05,236 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:35:05,237 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:35:05,237 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:35:05,237 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:35:05,237 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:35:05,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:35:05,238 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:35:05,238 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:35:05,239 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:35:05,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:35:05,239 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:35:05,239 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 23:35:05,239 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 23:35:05,239 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:35:05,240 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 23:35:05,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:35:05,240 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:35:05,240 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:35:05,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:35:05,240 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 23:35:05,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:35:05,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:35:05,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:35:05,241 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:35:05,241 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:35:05,242 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 23:35:05,242 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 23:35:05,242 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:35:05,242 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:35:05,242 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 23:35:05,243 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_4eccdb3b-4b22-4d8c-a833-8b78a5b94e1b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eccdb3b-4b22-4d8c-a833-8b78a5b94e1b/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec8c1840711640ca888d089fb025731988313351c78c18fc65f57765a4fcfb44 [2022-11-25 23:35:05,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:35:05,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:35:05,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:35:05,646 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:35:05,648 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:35:05,649 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eccdb3b-4b22-4d8c-a833-8b78a5b94e1b/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/echo-2.i [2022-11-25 23:35:08,860 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:35:09,346 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:35:09,348 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eccdb3b-4b22-4d8c-a833-8b78a5b94e1b/sv-benchmarks/c/busybox-1.22.0/echo-2.i [2022-11-25 23:35:09,374 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eccdb3b-4b22-4d8c-a833-8b78a5b94e1b/bin/utaipan-ByfvJB40ur/data/e00d8d4dd/d1dd9d2d65c94259923376873875d4e1/FLAG899dc3c1b [2022-11-25 23:35:09,391 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4eccdb3b-4b22-4d8c-a833-8b78a5b94e1b/bin/utaipan-ByfvJB40ur/data/e00d8d4dd/d1dd9d2d65c94259923376873875d4e1 [2022-11-25 23:35:09,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:35:09,395 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:35:09,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:35:09,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:35:09,400 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:35:09,401 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:35:09" (1/1) ... [2022-11-25 23:35:09,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@316fcb68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:35:09, skipping insertion in model container [2022-11-25 23:35:09,403 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:35:09" (1/1) ... [2022-11-25 23:35:09,411 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:35:09,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:35:10,582 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-25 23:35:10,594 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-11-25 23:35:10,603 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-11-25 23:35:10,640 WARN L623 FunctionHandler]: Unknown extern function stpcpy [2022-11-25 23:35:10,651 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-25 23:35:10,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2af6cae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:35:10, skipping insertion in model container [2022-11-25 23:35:10,653 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:35:10,653 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 23:35:10,655 INFO L158 Benchmark]: Toolchain (without parser) took 1259.23ms. Allocated memory was 58.7MB in the beginning and 81.8MB in the end (delta: 23.1MB). Free memory was 25.2MB in the beginning and 57.0MB in the end (delta: -31.8MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2022-11-25 23:35:10,657 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 58.7MB. Free memory is still 36.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:35:10,658 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1256.85ms. Allocated memory was 58.7MB in the beginning and 81.8MB in the end (delta: 23.1MB). Free memory was 25.1MB in the beginning and 57.0MB in the end (delta: -31.9MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2022-11-25 23:35:10,659 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 58.7MB. Free memory is still 36.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1256.85ms. Allocated memory was 58.7MB in the beginning and 81.8MB in the end (delta: 23.1MB). Free memory was 25.1MB in the beginning and 57.0MB in the end (delta: -31.9MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2530]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN