./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/sleep-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_648d35ce-aa23-428e-a55b-d43fd025652c/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648d35ce-aa23-428e-a55b-d43fd025652c/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_648d35ce-aa23-428e-a55b-d43fd025652c/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648d35ce-aa23-428e-a55b-d43fd025652c/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/sleep-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648d35ce-aa23-428e-a55b-d43fd025652c/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_648d35ce-aa23-428e-a55b-d43fd025652c/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 496324cb8d29a3e115d83f000ffcec466dd6a0cc5d6eb520d4255683be0b7652 --- 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 23:55:50,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:55:50,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:55:50,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:55:50,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:55:50,663 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:55:50,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:55:50,666 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:55:50,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:55:50,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:55:50,675 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:55:50,676 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:55:50,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:55:50,678 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:55:50,679 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:55:50,680 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:55:50,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:55:50,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:55:50,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:55:50,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:55:50,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:55:50,693 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:55:50,695 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:55:50,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:55:50,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:55:50,715 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:55:50,715 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:55:50,716 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:55:50,717 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:55:50,721 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:55:50,721 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:55:50,722 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:55:50,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:55:50,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:55:50,726 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:55:50,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:55:50,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:55:50,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:55:50,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:55:50,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:55:50,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:55:50,731 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648d35ce-aa23-428e-a55b-d43fd025652c/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-25 23:55:50,772 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:55:50,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:55:50,773 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:55:50,774 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:55:50,775 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:55:50,775 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:55:50,775 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:55:50,775 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:55:50,776 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:55:50,776 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:55:50,777 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:55:50,777 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:55:50,777 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:55:50,778 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:55:50,778 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:55:50,778 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:55:50,778 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:55:50,779 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:55:50,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:55:50,780 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:55:50,780 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:55:50,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:55:50,780 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:55:50,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:55:50,781 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:55:50,781 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:55:50,781 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:55:50,781 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:55:50,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:55:50,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:55:50,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:55:50,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:55:50,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:55:50,783 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:55:50,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:55:50,783 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:55:50,783 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:55:50,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:55:50,784 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:55:50,784 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:55:50,784 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_648d35ce-aa23-428e-a55b-d43fd025652c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648d35ce-aa23-428e-a55b-d43fd025652c/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 496324cb8d29a3e115d83f000ffcec466dd6a0cc5d6eb520d4255683be0b7652 [2022-11-25 23:55:51,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:55:51,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:55:51,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:55:51,116 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:55:51,116 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:55:51,118 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648d35ce-aa23-428e-a55b-d43fd025652c/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/sleep-2.i [2022-11-25 23:55:54,198 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:55:54,665 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:55:54,670 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648d35ce-aa23-428e-a55b-d43fd025652c/sv-benchmarks/c/busybox-1.22.0/sleep-2.i [2022-11-25 23:55:54,709 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648d35ce-aa23-428e-a55b-d43fd025652c/bin/utaipan-ByfvJB40ur/data/b2cd6cf0c/22f3b160284c42e68515fe5aa2903f19/FLAG4c1ee7fe8 [2022-11-25 23:55:54,810 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648d35ce-aa23-428e-a55b-d43fd025652c/bin/utaipan-ByfvJB40ur/data/b2cd6cf0c/22f3b160284c42e68515fe5aa2903f19 [2022-11-25 23:55:54,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:55:54,815 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:55:54,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:55:54,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:55:54,823 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:55:54,824 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:55:54" (1/1) ... [2022-11-25 23:55:54,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@615d225e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:54, skipping insertion in model container [2022-11-25 23:55:54,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:55:54" (1/1) ... [2022-11-25 23:55:54,835 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:55:54,933 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:55:56,271 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-11-25 23:55:56,294 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-11-25 23:55:56,303 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-11-25 23:55:56,308 WARN L623 FunctionHandler]: Unknown extern function write [2022-11-25 23:55:56,315 WARN L623 FunctionHandler]: Unknown extern function strspn [2022-11-25 23:55:56,323 WARN L623 FunctionHandler]: Unknown extern function nanosleep [2022-11-25 23:55:56,326 WARN L623 FunctionHandler]: Unknown extern function longjmp [2022-11-25 23:55:56,327 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-11-25 23:55:56,330 WARN L623 FunctionHandler]: Unknown extern function strtoull [2022-11-25 23:55:56,336 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2022-11-25 23:55:56,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7ce7198d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:55:56, skipping insertion in model container [2022-11-25 23:55:56,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:55:56,338 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 23:55:56,339 INFO L158 Benchmark]: Toolchain (without parser) took 1523.71ms. Allocated memory is still 161.5MB. Free memory was 123.1MB in the beginning and 95.8MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-25 23:55:56,340 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 113.2MB. Free memory is still 65.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:55:56,341 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1518.98ms. Allocated memory is still 161.5MB. Free memory was 123.1MB in the beginning and 95.8MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-25 23:55:56,342 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 113.2MB. Free memory is still 65.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1518.98ms. Allocated memory is still 161.5MB. Free memory was 123.1MB in the beginning and 95.8MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2673]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648d35ce-aa23-428e-a55b-d43fd025652c/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648d35ce-aa23-428e-a55b-d43fd025652c/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_648d35ce-aa23-428e-a55b-d43fd025652c/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648d35ce-aa23-428e-a55b-d43fd025652c/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/sleep-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648d35ce-aa23-428e-a55b-d43fd025652c/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_648d35ce-aa23-428e-a55b-d43fd025652c/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 496324cb8d29a3e115d83f000ffcec466dd6a0cc5d6eb520d4255683be0b7652 --- 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 23:55:58,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:55:58,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:55:58,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:55:58,576 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:55:58,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:55:58,583 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:55:58,586 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:55:58,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:55:58,594 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:55:58,596 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:55:58,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:55:58,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:55:58,601 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:55:58,603 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:55:58,610 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:55:58,611 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:55:58,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:55:58,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:55:58,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:55:58,622 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:55:58,625 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:55:58,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:55:58,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:55:58,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:55:58,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:55:58,637 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:55:58,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:55:58,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:55:58,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:55:58,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:55:58,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:55:58,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:55:58,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:55:58,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:55:58,660 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:55:58,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:55:58,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:55:58,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:55:58,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:55:58,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:55:58,665 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648d35ce-aa23-428e-a55b-d43fd025652c/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-25 23:55:58,707 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:55:58,708 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:55:58,709 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:55:58,709 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:55:58,710 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:55:58,710 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:55:58,711 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:55:58,711 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:55:58,711 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:55:58,711 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:55:58,712 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:55:58,713 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:55:58,714 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:55:58,714 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:55:58,714 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:55:58,714 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:55:58,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:55:58,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:55:58,715 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 23:55:58,715 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 23:55:58,716 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:55:58,716 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 23:55:58,716 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:55:58,716 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:55:58,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:55:58,717 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:55:58,717 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 23:55:58,717 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:55:58,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:55:58,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:55:58,718 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:55:58,718 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:55:58,719 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 23:55:58,719 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 23:55:58,719 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:55:58,719 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:55:58,720 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 23:55:58,720 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_648d35ce-aa23-428e-a55b-d43fd025652c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648d35ce-aa23-428e-a55b-d43fd025652c/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 496324cb8d29a3e115d83f000ffcec466dd6a0cc5d6eb520d4255683be0b7652 [2022-11-25 23:55:59,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:55:59,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:55:59,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:55:59,134 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:55:59,135 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:55:59,136 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648d35ce-aa23-428e-a55b-d43fd025652c/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/sleep-2.i [2022-11-25 23:56:02,192 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:56:02,673 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:56:02,677 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648d35ce-aa23-428e-a55b-d43fd025652c/sv-benchmarks/c/busybox-1.22.0/sleep-2.i [2022-11-25 23:56:02,717 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648d35ce-aa23-428e-a55b-d43fd025652c/bin/utaipan-ByfvJB40ur/data/f2fadda66/f9d972381ef74f7e819263d8c3c58837/FLAGb1268ea7d [2022-11-25 23:56:02,738 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_648d35ce-aa23-428e-a55b-d43fd025652c/bin/utaipan-ByfvJB40ur/data/f2fadda66/f9d972381ef74f7e819263d8c3c58837 [2022-11-25 23:56:02,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:56:02,743 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:56:02,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:56:02,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:56:02,751 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:56:02,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:56:02" (1/1) ... [2022-11-25 23:56:02,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27bb6dd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:56:02, skipping insertion in model container [2022-11-25 23:56:02,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:56:02" (1/1) ... [2022-11-25 23:56:02,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:56:02,860 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:56:03,996 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2022-11-25 23:56:04,030 WARN L623 FunctionHandler]: Unknown extern function syslog [2022-11-25 23:56:04,032 WARN L623 FunctionHandler]: Unknown extern function fflush [2022-11-25 23:56:04,037 WARN L623 FunctionHandler]: Unknown extern function write [2022-11-25 23:56:04,048 WARN L623 FunctionHandler]: Unknown extern function strspn [2022-11-25 23:56:04,078 WARN L623 FunctionHandler]: Unknown extern function nanosleep [2022-11-25 23:56:04,083 WARN L623 FunctionHandler]: Unknown extern function longjmp [2022-11-25 23:56:04,085 WARN L623 FunctionHandler]: Unknown extern function sleep [2022-11-25 23:56:04,089 WARN L623 FunctionHandler]: Unknown extern function strtoull [2022-11-25 23:56:04,101 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2022-11-25 23:56:04,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4767bf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:56:04, skipping insertion in model container [2022-11-25 23:56:04,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:56:04,102 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-25 23:56:04,104 INFO L158 Benchmark]: Toolchain (without parser) took 1360.39ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 31.6MB in the beginning and 57.2MB in the end (delta: -25.5MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2022-11-25 23:56:04,105 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 65.0MB. Free memory was 43.5MB in the beginning and 43.5MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:56:04,107 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1355.48ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 31.5MB in the beginning and 57.2MB in the end (delta: -25.7MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2022-11-25 23:56:04,109 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 65.0MB. Free memory was 43.5MB in the beginning and 43.5MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1355.48ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 31.5MB in the beginning and 57.2MB in the end (delta: -25.7MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2673]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN