./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/fold-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_e51b70cb-2980-4ed5-a072-577e240799e4/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51b70cb-2980-4ed5-a072-577e240799e4/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_e51b70cb-2980-4ed5-a072-577e240799e4/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51b70cb-2980-4ed5-a072-577e240799e4/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/fold-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51b70cb-2980-4ed5-a072-577e240799e4/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_e51b70cb-2980-4ed5-a072-577e240799e4/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 3d9f668f76f0a1bb4db1c87621ba1f5ce63f8bfa633e977c0afbe178905aa7e9 --- 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 00:29:41,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:29:41,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:29:41,129 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:29:41,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:29:41,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:29:41,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:29:41,135 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:29:41,137 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:29:41,138 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:29:41,140 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:29:41,141 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:29:41,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:29:41,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:29:41,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:29:41,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:29:41,148 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:29:41,149 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:29:41,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:29:41,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:29:41,156 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:29:41,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:29:41,166 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:29:41,167 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:29:41,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:29:41,175 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:29:41,176 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:29:41,177 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:29:41,178 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:29:41,180 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:29:41,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:29:41,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:29:41,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:29:41,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:29:41,188 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:29:41,188 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:29:41,189 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:29:41,190 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:29:41,190 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:29:41,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:29:41,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:29:41,195 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51b70cb-2980-4ed5-a072-577e240799e4/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-26 00:29:41,248 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:29:41,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:29:41,251 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:29:41,252 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:29:41,253 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:29:41,253 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:29:41,266 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:29:41,267 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:29:41,267 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:29:41,267 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:29:41,269 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:29:41,269 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:29:41,270 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:29:41,270 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:29:41,270 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:29:41,270 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:29:41,271 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:29:41,271 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:29:41,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:29:41,273 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:29:41,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:29:41,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:29:41,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:29:41,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:29:41,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:29:41,275 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:29:41,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:29:41,276 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:29:41,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:29:41,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:29:41,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:29:41,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:29:41,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:29:41,278 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:29:41,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:29:41,279 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:29:41,279 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:29:41,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:29:41,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:29:41,280 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:29:41,280 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_e51b70cb-2980-4ed5-a072-577e240799e4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51b70cb-2980-4ed5-a072-577e240799e4/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d9f668f76f0a1bb4db1c87621ba1f5ce63f8bfa633e977c0afbe178905aa7e9 [2022-11-26 00:29:41,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:29:41,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:29:41,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:29:41,665 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:29:41,665 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:29:41,667 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51b70cb-2980-4ed5-a072-577e240799e4/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/fold-2.i [2022-11-26 00:29:45,337 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:29:45,862 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:29:45,866 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51b70cb-2980-4ed5-a072-577e240799e4/sv-benchmarks/c/busybox-1.22.0/fold-2.i [2022-11-26 00:29:45,907 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51b70cb-2980-4ed5-a072-577e240799e4/bin/utaipan-ByfvJB40ur/data/00cdcfb7d/419f00ca9d9e464796ff6e68acd87d63/FLAGf7c01832a [2022-11-26 00:29:45,937 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51b70cb-2980-4ed5-a072-577e240799e4/bin/utaipan-ByfvJB40ur/data/00cdcfb7d/419f00ca9d9e464796ff6e68acd87d63 [2022-11-26 00:29:45,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:29:45,947 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:29:45,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:29:45,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:29:45,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:29:45,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:29:45" (1/1) ... [2022-11-26 00:29:45,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1945a05a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:45, skipping insertion in model container [2022-11-26 00:29:45,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:29:45" (1/1) ... [2022-11-26 00:29:45,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:29:46,078 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:29:47,767 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 00:29:47,776 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 00:29:47,781 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-26 00:29:47,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@524803b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:47, skipping insertion in model container [2022-11-26 00:29:47,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:29:47,784 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 00:29:47,787 INFO L158 Benchmark]: Toolchain (without parser) took 1838.77ms. Allocated memory is still 172.0MB. Free memory was 133.1MB in the beginning and 105.0MB in the end (delta: 28.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-26 00:29:47,787 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 172.0MB. Free memory is still 141.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:29:47,788 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1834.27ms. Allocated memory is still 172.0MB. Free memory was 133.1MB in the beginning and 105.0MB in the end (delta: 28.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-26 00:29:47,790 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 172.0MB. Free memory is still 141.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1834.27ms. Allocated memory is still 172.0MB. Free memory was 133.1MB in the beginning and 105.0MB in the end (delta: 28.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2310]: 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_e51b70cb-2980-4ed5-a072-577e240799e4/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51b70cb-2980-4ed5-a072-577e240799e4/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_e51b70cb-2980-4ed5-a072-577e240799e4/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51b70cb-2980-4ed5-a072-577e240799e4/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/fold-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51b70cb-2980-4ed5-a072-577e240799e4/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_e51b70cb-2980-4ed5-a072-577e240799e4/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 3d9f668f76f0a1bb4db1c87621ba1f5ce63f8bfa633e977c0afbe178905aa7e9 --- 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 00:29:50,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:29:50,580 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:29:50,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:29:50,616 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:29:50,621 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:29:50,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:29:50,630 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:29:50,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:29:50,640 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:29:50,642 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:29:50,645 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:29:50,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:29:50,649 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:29:50,651 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:29:50,659 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:29:50,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:29:50,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:29:50,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:29:50,672 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:29:50,674 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:29:50,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:29:50,679 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:29:50,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:29:50,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:29:50,690 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:29:50,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:29:50,693 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:29:50,694 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:29:50,695 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:29:50,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:29:50,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:29:50,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:29:50,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:29:50,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:29:50,704 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:29:50,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:29:50,718 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:29:50,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:29:50,719 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:29:50,720 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:29:50,726 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51b70cb-2980-4ed5-a072-577e240799e4/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-26 00:29:50,771 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:29:50,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:29:50,773 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:29:50,773 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:29:50,775 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:29:50,775 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:29:50,776 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:29:50,776 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:29:50,776 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:29:50,777 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:29:50,778 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:29:50,779 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:29:50,780 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:29:50,780 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:29:50,781 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:29:50,781 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:29:50,782 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:29:50,782 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:29:50,782 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:29:50,783 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 00:29:50,783 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:29:50,784 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 00:29:50,784 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:29:50,784 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:29:50,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:29:50,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:29:50,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 00:29:50,786 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:29:50,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:29:50,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:29:50,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:29:50,788 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:29:50,788 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 00:29:50,789 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 00:29:50,789 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:29:50,789 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:29:50,790 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 00:29:50,790 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_e51b70cb-2980-4ed5-a072-577e240799e4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51b70cb-2980-4ed5-a072-577e240799e4/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d9f668f76f0a1bb4db1c87621ba1f5ce63f8bfa633e977c0afbe178905aa7e9 [2022-11-26 00:29:51,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:29:51,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:29:51,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:29:51,256 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:29:51,257 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:29:51,258 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51b70cb-2980-4ed5-a072-577e240799e4/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/fold-2.i [2022-11-26 00:29:54,825 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:29:55,355 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:29:55,356 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51b70cb-2980-4ed5-a072-577e240799e4/sv-benchmarks/c/busybox-1.22.0/fold-2.i [2022-11-26 00:29:55,384 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51b70cb-2980-4ed5-a072-577e240799e4/bin/utaipan-ByfvJB40ur/data/ed331675e/296a9d838031442e8fd6c73afe083feb/FLAG26c7b2e8c [2022-11-26 00:29:55,406 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51b70cb-2980-4ed5-a072-577e240799e4/bin/utaipan-ByfvJB40ur/data/ed331675e/296a9d838031442e8fd6c73afe083feb [2022-11-26 00:29:55,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:29:55,411 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:29:55,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:29:55,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:29:55,417 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:29:55,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:29:55" (1/1) ... [2022-11-26 00:29:55,419 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63257e51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:55, skipping insertion in model container [2022-11-26 00:29:55,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:29:55" (1/1) ... [2022-11-26 00:29:55,429 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:29:55,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:29:57,013 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 00:29:57,020 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 00:29:57,024 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-26 00:29:57,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1039fcd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:57, skipping insertion in model container [2022-11-26 00:29:57,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:29:57,025 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 00:29:57,028 INFO L158 Benchmark]: Toolchain (without parser) took 1615.96ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 31.3MB in the beginning and 64.2MB in the end (delta: -32.9MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2022-11-26 00:29:57,029 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 65.0MB. Free memory was 43.4MB in the beginning and 43.3MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:29:57,030 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1612.98ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 31.1MB in the beginning and 64.2MB in the end (delta: -33.0MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2022-11-26 00:29:57,033 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 65.0MB. Free memory was 43.4MB in the beginning and 43.3MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1612.98ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 31.1MB in the beginning and 64.2MB in the end (delta: -33.0MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2310]: 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