./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/num_conversion_1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_4bcefe53-35ae-4d43-9d91-7872ae077052/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcefe53-35ae-4d43-9d91-7872ae077052/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcefe53-35ae-4d43-9d91-7872ae077052/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcefe53-35ae-4d43-9d91-7872ae077052/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/num_conversion_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcefe53-35ae-4d43-9d91-7872ae077052/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcefe53-35ae-4d43-9d91-7872ae077052/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bdb7543d1c240ce49edc036e26416805e34b577c5ba56fd044d3b26828ca42a8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 02:45:14,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:45:14,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:45:14,668 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:45:14,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:45:14,672 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:45:14,674 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:45:14,677 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:45:14,682 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:45:14,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:45:14,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:45:14,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:45:14,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:45:14,694 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:45:14,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:45:14,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:45:14,700 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:45:14,701 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:45:14,702 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:45:14,709 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:45:14,711 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:45:14,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:45:14,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:45:14,716 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:45:14,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:45:14,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:45:14,727 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:45:14,729 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:45:14,730 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:45:14,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:45:14,731 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:45:14,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:45:14,734 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:45:14,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:45:14,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:45:14,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:45:14,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:45:14,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:45:14,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:45:14,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:45:14,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:45:14,744 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcefe53-35ae-4d43-9d91-7872ae077052/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-22 02:45:14,783 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:45:14,784 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:45:14,784 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:45:14,785 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:45:14,786 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:45:14,786 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:45:14,786 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:45:14,787 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:45:14,787 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:45:14,787 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:45:14,788 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:45:14,789 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:45:14,789 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:45:14,789 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:45:14,789 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:45:14,790 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:45:14,790 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:45:14,790 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:45:14,791 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:45:14,791 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 02:45:14,792 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 02:45:14,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:45:14,792 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 02:45:14,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:45:14,793 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:45:14,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:45:14,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:45:14,793 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 02:45:14,793 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 02:45:14,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:45:14,794 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:45:14,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:45:14,796 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:45:14,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:45:14,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:45:14,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:45:14,797 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:45:14,797 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:45:14,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:45:14,798 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:45:14,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:45:14,798 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:45:14,798 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:45:14,799 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_4bcefe53-35ae-4d43-9d91-7872ae077052/bin/utaipan-g80aRyZoba/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcefe53-35ae-4d43-9d91-7872ae077052/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdb7543d1c240ce49edc036e26416805e34b577c5ba56fd044d3b26828ca42a8 [2022-11-22 02:45:15,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:45:15,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:45:15,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:45:15,176 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:45:15,176 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:45:15,177 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcefe53-35ae-4d43-9d91-7872ae077052/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/bitvector/num_conversion_1.c [2022-11-22 02:45:18,285 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:45:18,458 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:45:18,459 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcefe53-35ae-4d43-9d91-7872ae077052/sv-benchmarks/c/bitvector/num_conversion_1.c [2022-11-22 02:45:18,463 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcefe53-35ae-4d43-9d91-7872ae077052/bin/utaipan-g80aRyZoba/data/5b1c0db47/ee514cacc3bf4850bbfd2d3721719c46/FLAGb580fad5a [2022-11-22 02:45:18,479 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcefe53-35ae-4d43-9d91-7872ae077052/bin/utaipan-g80aRyZoba/data/5b1c0db47/ee514cacc3bf4850bbfd2d3721719c46 [2022-11-22 02:45:18,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:45:18,484 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:45:18,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:45:18,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:45:18,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:45:18,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:45:18" (1/1) ... [2022-11-22 02:45:18,499 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@538e7af6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:18, skipping insertion in model container [2022-11-22 02:45:18,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:45:18" (1/1) ... [2022-11-22 02:45:18,507 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:45:18,521 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:45:18,662 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcefe53-35ae-4d43-9d91-7872ae077052/sv-benchmarks/c/bitvector/num_conversion_1.c[673,686] [2022-11-22 02:45:18,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:45:18,699 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:45:18,713 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcefe53-35ae-4d43-9d91-7872ae077052/sv-benchmarks/c/bitvector/num_conversion_1.c[673,686] [2022-11-22 02:45:18,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:45:18,744 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:45:18,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:18 WrapperNode [2022-11-22 02:45:18,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:45:18,746 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:45:18,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:45:18,747 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:45:18,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:18" (1/1) ... [2022-11-22 02:45:18,760 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:18" (1/1) ... [2022-11-22 02:45:18,778 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 40 [2022-11-22 02:45:18,778 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:45:18,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:45:18,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:45:18,779 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:45:18,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:18" (1/1) ... [2022-11-22 02:45:18,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:18" (1/1) ... [2022-11-22 02:45:18,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:18" (1/1) ... [2022-11-22 02:45:18,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:18" (1/1) ... [2022-11-22 02:45:18,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:18" (1/1) ... [2022-11-22 02:45:18,799 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:18" (1/1) ... [2022-11-22 02:45:18,800 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:18" (1/1) ... [2022-11-22 02:45:18,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:18" (1/1) ... [2022-11-22 02:45:18,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:45:18,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:45:18,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:45:18,803 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:45:18,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:18" (1/1) ... [2022-11-22 02:45:18,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:45:18,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcefe53-35ae-4d43-9d91-7872ae077052/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:45:18,853 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcefe53-35ae-4d43-9d91-7872ae077052/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:45:18,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcefe53-35ae-4d43-9d91-7872ae077052/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:45:18,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:45:18,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:45:18,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:45:18,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:45:18,972 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:45:18,975 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:45:19,236 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:45:19,283 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:45:19,298 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-22 02:45:19,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:45:19 BoogieIcfgContainer [2022-11-22 02:45:19,302 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:45:19,304 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:45:19,305 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:45:19,308 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:45:19,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:45:18" (1/3) ... [2022-11-22 02:45:19,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13744704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:45:19, skipping insertion in model container [2022-11-22 02:45:19,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:18" (2/3) ... [2022-11-22 02:45:19,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13744704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:45:19, skipping insertion in model container [2022-11-22 02:45:19,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:45:19" (3/3) ... [2022-11-22 02:45:19,326 INFO L112 eAbstractionObserver]: Analyzing ICFG num_conversion_1.c [2022-11-22 02:45:19,365 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:45:19,365 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-22 02:45:19,437 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:45:19,445 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@27cd734b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:45:19,445 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-22 02:45:19,450 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 15 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 02:45:19,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-22 02:45:19,458 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:45:19,459 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-22 02:45:19,460 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-22 02:45:19,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:45:19,467 INFO L85 PathProgramCache]: Analyzing trace with hash 77233, now seen corresponding path program 1 times [2022-11-22 02:45:19,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:45:19,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412715746] [2022-11-22 02:45:19,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:45:19,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:45:19,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 02:45:19,617 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 02:45:19,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 02:45:19,649 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-22 02:45:19,651 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 02:45:19,652 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-11-22 02:45:19,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-11-22 02:45:19,663 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-11-22 02:45:19,664 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-11-22 02:45:19,665 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-11-22 02:45:19,666 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-11-22 02:45:19,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 02:45:19,673 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-22 02:45:19,677 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 02:45:19,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 02:45:19 BoogieIcfgContainer [2022-11-22 02:45:19,702 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 02:45:19,705 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 02:45:19,706 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 02:45:19,706 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 02:45:19,706 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:45:19" (3/4) ... [2022-11-22 02:45:19,712 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-22 02:45:19,712 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 02:45:19,714 INFO L158 Benchmark]: Toolchain (without parser) took 1230.01ms. Allocated memory is still 192.9MB. Free memory was 147.8MB in the beginning and 109.2MB in the end (delta: 38.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-22 02:45:19,715 INFO L158 Benchmark]: CDTParser took 0.80ms. Allocated memory is still 142.6MB. Free memory was 84.1MB in the beginning and 84.0MB in the end (delta: 136.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:45:19,717 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.55ms. Allocated memory is still 192.9MB. Free memory was 147.8MB in the beginning and 137.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-22 02:45:19,724 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.25ms. Allocated memory is still 192.9MB. Free memory was 137.3MB in the beginning and 135.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:45:19,729 INFO L158 Benchmark]: Boogie Preprocessor took 23.23ms. Allocated memory is still 192.9MB. Free memory was 135.8MB in the beginning and 134.9MB in the end (delta: 906.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:45:19,731 INFO L158 Benchmark]: RCFGBuilder took 498.88ms. Allocated memory is still 192.9MB. Free memory was 134.9MB in the beginning and 123.3MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-22 02:45:19,733 INFO L158 Benchmark]: TraceAbstraction took 398.07ms. Allocated memory is still 192.9MB. Free memory was 122.7MB in the beginning and 109.8MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-22 02:45:19,734 INFO L158 Benchmark]: Witness Printer took 7.30ms. Allocated memory is still 192.9MB. Free memory was 109.8MB in the beginning and 109.2MB in the end (delta: 594.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:45:19,737 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80ms. Allocated memory is still 142.6MB. Free memory was 84.1MB in the beginning and 84.0MB in the end (delta: 136.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 260.55ms. Allocated memory is still 192.9MB. Free memory was 147.8MB in the beginning and 137.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.25ms. Allocated memory is still 192.9MB. Free memory was 137.3MB in the beginning and 135.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.23ms. Allocated memory is still 192.9MB. Free memory was 135.8MB in the beginning and 134.9MB in the end (delta: 906.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 498.88ms. Allocated memory is still 192.9MB. Free memory was 134.9MB in the beginning and 123.3MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 398.07ms. Allocated memory is still 192.9MB. Free memory was 122.7MB in the beginning and 109.8MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 7.30ms. Allocated memory is still 192.9MB. Free memory was 109.8MB in the beginning and 109.2MB in the end (delta: 594.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 32]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of shiftLeft at line 32. Possible FailurePath: [L24] unsigned char x; [L25] unsigned char y; [L26] unsigned char c; [L28] x = 37 [L29] y = 0 [L30] c = 0 VAL [c=0, x=37, y=0] [L31] COND TRUE c < (unsigned char)8 VAL [c=0, x=37, y=0] [L32] ((unsigned char)1) << c VAL [c=0, x=37, y=0] - UnprovableResult [Line: 32]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 37]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 37]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-22 02:45:19,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcefe53-35ae-4d43-9d91-7872ae077052/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 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_4bcefe53-35ae-4d43-9d91-7872ae077052/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcefe53-35ae-4d43-9d91-7872ae077052/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcefe53-35ae-4d43-9d91-7872ae077052/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcefe53-35ae-4d43-9d91-7872ae077052/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/num_conversion_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcefe53-35ae-4d43-9d91-7872ae077052/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcefe53-35ae-4d43-9d91-7872ae077052/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bdb7543d1c240ce49edc036e26416805e34b577c5ba56fd044d3b26828ca42a8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 02:45:22,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:45:22,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:45:22,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:45:22,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:45:22,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:45:22,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:45:22,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:45:22,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:45:22,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:45:22,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:45:22,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:45:22,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:45:22,433 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:45:22,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:45:22,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:45:22,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:45:22,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:45:22,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:45:22,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:45:22,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:45:22,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:45:22,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:45:22,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:45:22,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:45:22,467 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:45:22,468 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:45:22,470 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:45:22,471 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:45:22,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:45:22,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:45:22,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:45:22,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:45:22,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:45:22,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:45:22,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:45:22,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:45:22,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:45:22,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:45:22,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:45:22,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:45:22,501 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcefe53-35ae-4d43-9d91-7872ae077052/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf [2022-11-22 02:45:22,539 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:45:22,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:45:22,541 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:45:22,542 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:45:22,543 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:45:22,543 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:45:22,544 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:45:22,544 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:45:22,544 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:45:22,545 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:45:22,546 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:45:22,546 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:45:22,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:45:22,548 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 02:45:22,548 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 02:45:22,548 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 02:45:22,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:45:22,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:45:22,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:45:22,550 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:45:22,550 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 02:45:22,550 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-22 02:45:22,551 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 02:45:22,551 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-22 02:45:22,551 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 02:45:22,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:45:22,552 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:45:22,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:45:22,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:45:22,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-22 02:45:22,554 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:45:22,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:45:22,555 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:45:22,555 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:45:22,555 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:45:22,556 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-22 02:45:22,556 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-22 02:45:22,556 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:45:22,557 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:45:22,557 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-22 02:45:22,557 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_4bcefe53-35ae-4d43-9d91-7872ae077052/bin/utaipan-g80aRyZoba/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcefe53-35ae-4d43-9d91-7872ae077052/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdb7543d1c240ce49edc036e26416805e34b577c5ba56fd044d3b26828ca42a8 [2022-11-22 02:45:22,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:45:23,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:45:23,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:45:23,049 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:45:23,049 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:45:23,051 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcefe53-35ae-4d43-9d91-7872ae077052/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/bitvector/num_conversion_1.c [2022-11-22 02:45:26,547 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:45:26,720 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:45:26,720 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcefe53-35ae-4d43-9d91-7872ae077052/sv-benchmarks/c/bitvector/num_conversion_1.c [2022-11-22 02:45:26,726 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcefe53-35ae-4d43-9d91-7872ae077052/bin/utaipan-g80aRyZoba/data/4ce44afef/888e014f1c6a4c1181d9780294abf254/FLAGea91dede5 [2022-11-22 02:45:26,738 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcefe53-35ae-4d43-9d91-7872ae077052/bin/utaipan-g80aRyZoba/data/4ce44afef/888e014f1c6a4c1181d9780294abf254 [2022-11-22 02:45:26,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:45:26,742 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:45:26,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:45:26,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:45:26,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:45:26,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:45:26" (1/1) ... [2022-11-22 02:45:26,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a02a84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:45:26, skipping insertion in model container [2022-11-22 02:45:26,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:45:26" (1/1) ... [2022-11-22 02:45:26,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:45:26,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:45:26,933 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bcefe53-35ae-4d43-9d91-7872ae077052/sv-benchmarks/c/bitvector/num_conversion_1.c[673,686] [2022-11-22 02:45:26,940 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.addIntegerBoundsCheck(CExpressionTranslator.java:1060) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1400) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:249) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:3016) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2858) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2165) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2492) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:199) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-22 02:45:26,945 INFO L158 Benchmark]: Toolchain (without parser) took 201.36ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 28.0MB in the beginning and 56.3MB in the end (delta: -28.4MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2022-11-22 02:45:26,946 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 58.7MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:45:26,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 199.10ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 27.7MB in the beginning and 56.3MB in the end (delta: -28.7MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2022-11-22 02:45:26,948 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 58.7MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 199.10ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 27.7MB in the beginning and 56.3MB in the end (delta: -28.7MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) 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: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.