./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/busybox-1.22.0/expand-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e907177-a99a-456a-8896-f532b9dc5ff1/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e907177-a99a-456a-8896-f532b9dc5ff1/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e907177-a99a-456a-8896-f532b9dc5ff1/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e907177-a99a-456a-8896-f532b9dc5ff1/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/expand-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e907177-a99a-456a-8896-f532b9dc5ff1/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e907177-a99a-456a-8896-f532b9dc5ff1/bin/utaipan-fb15Y9Yzbl --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9046a22aa5b0d00a8f0d6882f177914fb59cf6f993a19ebc0593f371e829e9ec --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:06:22,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:06:22,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:06:22,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:06:22,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:06:22,955 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:06:22,957 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:06:22,959 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:06:22,961 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:06:22,962 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:06:22,963 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:06:22,965 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:06:22,965 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:06:22,966 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:06:22,968 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:06:22,970 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:06:22,976 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:06:22,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:06:22,980 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:06:22,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:06:22,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:06:22,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:06:23,001 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:06:23,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:06:23,014 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:06:23,014 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:06:23,015 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:06:23,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:06:23,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:06:23,021 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:06:23,022 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:06:23,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:06:23,025 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:06:23,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:06:23,028 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:06:23,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:06:23,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:06:23,029 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:06:23,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:06:23,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:06:23,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:06:23,034 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e907177-a99a-456a-8896-f532b9dc5ff1/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 17:06:23,091 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:06:23,092 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:06:23,092 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:06:23,092 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:06:23,093 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:06:23,093 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:06:23,093 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:06:23,094 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:06:23,094 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:06:23,094 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:06:23,100 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:06:23,101 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:06:23,101 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:06:23,101 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:06:23,101 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:06:23,102 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:06:23,102 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:06:23,102 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:06:23,103 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:06:23,104 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:06:23,104 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:06:23,104 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:06:23,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:06:23,105 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:06:23,105 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:06:23,105 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:06:23,108 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:06:23,108 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:06:23,108 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:06:23,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:06:23,109 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:06:23,109 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:06:23,109 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:06:23,110 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:06:23,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:06:23,110 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:06:23,110 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:06:23,110 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:06:23,111 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_3e907177-a99a-456a-8896-f532b9dc5ff1/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e907177-a99a-456a-8896-f532b9dc5ff1/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9046a22aa5b0d00a8f0d6882f177914fb59cf6f993a19ebc0593f371e829e9ec [2021-11-23 17:06:23,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:06:23,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:06:23,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:06:23,483 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:06:23,484 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:06:23,486 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e907177-a99a-456a-8896-f532b9dc5ff1/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/busybox-1.22.0/expand-2.i [2021-11-23 17:06:23,611 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e907177-a99a-456a-8896-f532b9dc5ff1/bin/utaipan-fb15Y9Yzbl/data/161d1618c/61cb308ad226450a8a71539e389e78fa/FLAGeab56cfe3 [2021-11-23 17:06:24,578 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:06:24,579 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e907177-a99a-456a-8896-f532b9dc5ff1/sv-benchmarks/c/busybox-1.22.0/expand-2.i [2021-11-23 17:06:24,628 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e907177-a99a-456a-8896-f532b9dc5ff1/bin/utaipan-fb15Y9Yzbl/data/161d1618c/61cb308ad226450a8a71539e389e78fa/FLAGeab56cfe3 [2021-11-23 17:06:25,088 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e907177-a99a-456a-8896-f532b9dc5ff1/bin/utaipan-fb15Y9Yzbl/data/161d1618c/61cb308ad226450a8a71539e389e78fa [2021-11-23 17:06:25,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:06:25,097 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:06:25,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:06:25,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:06:25,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:06:25,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:06:25" (1/1) ... [2021-11-23 17:06:25,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5819f020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:25, skipping insertion in model container [2021-11-23 17:06:25,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:06:25" (1/1) ... [2021-11-23 17:06:25,132 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:06:25,254 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:06:26,912 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-23 17:06:26,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@10b5bea0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:26, skipping insertion in model container [2021-11-23 17:06:26,914 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:06:26,914 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 17:06:26,918 INFO L158 Benchmark]: Toolchain (without parser) took 1818.70ms. Allocated memory is still 102.8MB. Free memory was 64.8MB in the beginning and 59.7MB in the end (delta: 5.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 17:06:26,920 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 102.8MB. Free memory was 57.9MB in the beginning and 57.8MB in the end (delta: 42.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:06:26,922 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1799.10ms. Allocated memory is still 102.8MB. Free memory was 64.6MB in the beginning and 59.7MB in the end (delta: 4.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 17:06:26,925 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 102.8MB. Free memory was 57.9MB in the beginning and 57.8MB in the end (delta: 42.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1799.10ms. Allocated memory is still 102.8MB. Free memory was 64.6MB in the beginning and 59.7MB in the end (delta: 4.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2334]: 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e907177-a99a-456a-8896-f532b9dc5ff1/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e907177-a99a-456a-8896-f532b9dc5ff1/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e907177-a99a-456a-8896-f532b9dc5ff1/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e907177-a99a-456a-8896-f532b9dc5ff1/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/expand-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e907177-a99a-456a-8896-f532b9dc5ff1/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e907177-a99a-456a-8896-f532b9dc5ff1/bin/utaipan-fb15Y9Yzbl --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9046a22aa5b0d00a8f0d6882f177914fb59cf6f993a19ebc0593f371e829e9ec --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:06:29,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:06:29,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:06:29,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:06:29,602 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:06:29,604 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:06:29,606 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:06:29,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:06:29,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:06:29,622 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:06:29,623 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:06:29,625 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:06:29,625 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:06:29,627 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:06:29,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:06:29,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:06:29,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:06:29,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:06:29,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:06:29,656 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:06:29,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:06:29,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:06:29,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:06:29,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:06:29,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:06:29,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:06:29,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:06:29,683 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:06:29,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:06:29,685 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:06:29,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:06:29,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:06:29,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:06:29,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:06:29,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:06:29,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:06:29,693 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:06:29,693 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:06:29,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:06:29,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:06:29,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:06:29,707 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e907177-a99a-456a-8896-f532b9dc5ff1/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-23 17:06:29,770 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:06:29,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:06:29,771 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:06:29,771 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:06:29,773 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:06:29,773 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:06:29,773 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:06:29,774 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:06:29,774 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:06:29,774 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:06:29,776 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:06:29,776 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:06:29,778 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:06:29,778 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:06:29,779 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:06:29,779 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:06:29,779 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:06:29,780 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:06:29,780 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:06:29,780 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:06:29,780 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:06:29,781 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:06:29,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:06:29,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:06:29,782 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:06:29,783 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:06:29,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:06:29,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:06:29,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:06:29,784 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:06:29,784 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:06:29,784 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:06:29,785 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:06:29,785 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:06:29,786 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:06:29,786 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_3e907177-a99a-456a-8896-f532b9dc5ff1/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e907177-a99a-456a-8896-f532b9dc5ff1/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9046a22aa5b0d00a8f0d6882f177914fb59cf6f993a19ebc0593f371e829e9ec [2021-11-23 17:06:30,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:06:30,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:06:30,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:06:30,382 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:06:30,383 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:06:30,385 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e907177-a99a-456a-8896-f532b9dc5ff1/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/busybox-1.22.0/expand-2.i [2021-11-23 17:06:30,480 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e907177-a99a-456a-8896-f532b9dc5ff1/bin/utaipan-fb15Y9Yzbl/data/aee732dfd/31195fda537a48ffb88df4ed902692cf/FLAGaadcf95c9 [2021-11-23 17:06:31,415 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:06:31,417 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e907177-a99a-456a-8896-f532b9dc5ff1/sv-benchmarks/c/busybox-1.22.0/expand-2.i [2021-11-23 17:06:31,475 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e907177-a99a-456a-8896-f532b9dc5ff1/bin/utaipan-fb15Y9Yzbl/data/aee732dfd/31195fda537a48ffb88df4ed902692cf/FLAGaadcf95c9 [2021-11-23 17:06:31,897 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e907177-a99a-456a-8896-f532b9dc5ff1/bin/utaipan-fb15Y9Yzbl/data/aee732dfd/31195fda537a48ffb88df4ed902692cf [2021-11-23 17:06:31,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:06:31,902 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:06:31,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:06:31,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:06:31,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:06:31,911 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:06:31" (1/1) ... [2021-11-23 17:06:31,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4049d9e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:31, skipping insertion in model container [2021-11-23 17:06:31,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:06:31" (1/1) ... [2021-11-23 17:06:31,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:06:32,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:06:34,119 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-23 17:06:34,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6a7af025 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:06:34, skipping insertion in model container [2021-11-23 17:06:34,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:06:34,123 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 17:06:34,125 INFO L158 Benchmark]: Toolchain (without parser) took 2221.68ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 37.0MB in the beginning and 35.0MB in the end (delta: 2.0MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2021-11-23 17:06:34,127 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 54.5MB. Free memory is still 35.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:06:34,129 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2218.48ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 36.7MB in the beginning and 35.0MB in the end (delta: 1.7MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2021-11-23 17:06:34,131 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 54.5MB. Free memory is still 35.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2218.48ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 36.7MB in the beginning and 35.0MB in the end (delta: 1.7MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2334]: 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