./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_7f1922f9-a60c-4e99-96e0-bc01b72a5119/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1922f9-a60c-4e99-96e0-bc01b72a5119/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_7f1922f9-a60c-4e99-96e0-bc01b72a5119/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1922f9-a60c-4e99-96e0-bc01b72a5119/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1922f9-a60c-4e99-96e0-bc01b72a5119/bin/utaipan-g80aRyZoba/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1922f9-a60c-4e99-96e0-bc01b72a5119/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 --- 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 01:39:27,613 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:39:27,616 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:39:27,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:39:27,655 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:39:27,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:39:27,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:39:27,665 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:39:27,668 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:39:27,671 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:39:27,673 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:39:27,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:39:27,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:39:27,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:39:27,685 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:39:27,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:39:27,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:39:27,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:39:27,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:39:27,698 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:39:27,704 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:39:27,705 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:39:27,706 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:39:27,708 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:39:27,711 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:39:27,715 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:39:27,715 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:39:27,716 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:39:27,718 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:39:27,719 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:39:27,719 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:39:27,720 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:39:27,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:39:27,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:39:27,725 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:39:27,725 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:39:27,726 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:39:27,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:39:27,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:39:27,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:39:27,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:39:27,731 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1922f9-a60c-4e99-96e0-bc01b72a5119/bin/utaipan-g80aRyZoba/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-22 01:39:27,777 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:39:27,777 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:39:27,778 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:39:27,778 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:39:27,779 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:39:27,780 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:39:27,780 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:39:27,780 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:39:27,780 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:39:27,781 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:39:27,782 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:39:27,782 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:39:27,782 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:39:27,783 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:39:27,783 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:39:27,783 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:39:27,783 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:39:27,784 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:39:27,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:39:27,785 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:39:27,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:39:27,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:39:27,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:39:27,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:39:27,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:39:27,786 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:39:27,786 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:39:27,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:39:27,787 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:39:27,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:39:27,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:39:27,788 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:39:27,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:39:27,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:39:27,789 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:39:27,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:39:27,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:39:27,789 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:39:27,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:39:27,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:39:27,790 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:39:27,790 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_7f1922f9-a60c-4e99-96e0-bc01b72a5119/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1922f9-a60c-4e99-96e0-bc01b72a5119/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 [2022-11-22 01:39:28,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:39:28,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:39:28,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:39:28,135 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:39:28,135 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:39:28,137 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1922f9-a60c-4e99-96e0-bc01b72a5119/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2022-11-22 01:39:31,393 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:39:31,602 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:39:31,603 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1922f9-a60c-4e99-96e0-bc01b72a5119/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2022-11-22 01:39:31,609 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1922f9-a60c-4e99-96e0-bc01b72a5119/bin/utaipan-g80aRyZoba/data/1048cc8b8/1951751b61c74a2b8bf454851d536e92/FLAGc71a14be4 [2022-11-22 01:39:31,626 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1922f9-a60c-4e99-96e0-bc01b72a5119/bin/utaipan-g80aRyZoba/data/1048cc8b8/1951751b61c74a2b8bf454851d536e92 [2022-11-22 01:39:31,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:39:31,630 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:39:31,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:39:31,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:39:31,642 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:39:31,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:39:31" (1/1) ... [2022-11-22 01:39:31,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48a27ef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:31, skipping insertion in model container [2022-11-22 01:39:31,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:39:31" (1/1) ... [2022-11-22 01:39:31,653 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:39:31,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:39:31,917 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_7f1922f9-a60c-4e99-96e0-bc01b72a5119/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2022-11-22 01:39:31,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:39:31,947 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:39:31,964 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_7f1922f9-a60c-4e99-96e0-bc01b72a5119/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2022-11-22 01:39:31,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:39:31,983 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:39:31,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:31 WrapperNode [2022-11-22 01:39:31,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:39:31,986 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:39:31,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:39:31,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:39:31,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:31" (1/1) ... [2022-11-22 01:39:32,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:31" (1/1) ... [2022-11-22 01:39:32,026 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-11-22 01:39:32,026 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:39:32,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:39:32,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:39:32,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:39:32,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:31" (1/1) ... [2022-11-22 01:39:32,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:31" (1/1) ... [2022-11-22 01:39:32,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:31" (1/1) ... [2022-11-22 01:39:32,043 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:31" (1/1) ... [2022-11-22 01:39:32,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:31" (1/1) ... [2022-11-22 01:39:32,051 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:31" (1/1) ... [2022-11-22 01:39:32,054 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:31" (1/1) ... [2022-11-22 01:39:32,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:31" (1/1) ... [2022-11-22 01:39:32,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:39:32,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:39:32,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:39:32,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:39:32,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:31" (1/1) ... [2022-11-22 01:39:32,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:39:32,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1922f9-a60c-4e99-96e0-bc01b72a5119/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:39:32,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1922f9-a60c-4e99-96e0-bc01b72a5119/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:39:32,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1922f9-a60c-4e99-96e0-bc01b72a5119/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:39:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:39:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:39:32,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:39:32,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:39:32,251 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:39:32,254 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:39:32,374 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:39:32,409 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:39:32,411 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 01:39:32,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:39:32 BoogieIcfgContainer [2022-11-22 01:39:32,429 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:39:32,432 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:39:32,432 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:39:32,436 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:39:32,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:39:31" (1/3) ... [2022-11-22 01:39:32,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8108344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:39:32, skipping insertion in model container [2022-11-22 01:39:32,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:31" (2/3) ... [2022-11-22 01:39:32,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8108344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:39:32, skipping insertion in model container [2022-11-22 01:39:32,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:39:32" (3/3) ... [2022-11-22 01:39:32,443 INFO L112 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2022-11-22 01:39:32,471 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:39:32,472 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 01:39:32,542 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:39:32,551 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;@17c2d879, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:39:32,551 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 01:39:32,556 INFO L276 IsEmpty]: Start isEmpty. Operand has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 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 01:39:32,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-22 01:39:32,565 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:39:32,565 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-22 01:39:32,566 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:39:32,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:39:32,573 INFO L85 PathProgramCache]: Analyzing trace with hash 43409, now seen corresponding path program 1 times [2022-11-22 01:39:32,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:39:32,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228501661] [2022-11-22 01:39:32,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:39:32,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:39:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:39:32,711 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 01:39:32,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:39:32,762 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-22 01:39:32,765 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 01:39:32,767 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-22 01:39:32,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:39:32,777 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-22 01:39:32,782 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 01:39:32,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:39:32 BoogieIcfgContainer [2022-11-22 01:39:32,809 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 01:39:32,812 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 01:39:32,812 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 01:39:32,813 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 01:39:32,813 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:39:32" (3/4) ... [2022-11-22 01:39:32,818 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-22 01:39:32,818 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 01:39:32,820 INFO L158 Benchmark]: Toolchain (without parser) took 1189.33ms. Allocated memory is still 134.2MB. Free memory was 91.9MB in the beginning and 75.5MB in the end (delta: 16.4MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2022-11-22 01:39:32,821 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 111.1MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:39:32,822 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.26ms. Allocated memory is still 134.2MB. Free memory was 91.9MB in the beginning and 100.7MB in the end (delta: -8.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 01:39:32,824 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.57ms. Allocated memory is still 134.2MB. Free memory was 100.7MB in the beginning and 99.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:39:32,824 INFO L158 Benchmark]: Boogie Preprocessor took 34.42ms. Allocated memory is still 134.2MB. Free memory was 99.1MB in the beginning and 98.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:39:32,832 INFO L158 Benchmark]: RCFGBuilder took 366.34ms. Allocated memory is still 134.2MB. Free memory was 98.1MB in the beginning and 89.1MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-22 01:39:32,834 INFO L158 Benchmark]: TraceAbstraction took 377.17ms. Allocated memory is still 134.2MB. Free memory was 88.6MB in the beginning and 76.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-22 01:39:32,836 INFO L158 Benchmark]: Witness Printer took 6.54ms. Allocated memory is still 134.2MB. Free memory was 76.0MB in the beginning and 75.5MB in the end (delta: 509.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:39:32,845 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 111.1MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 353.26ms. Allocated memory is still 134.2MB. Free memory was 91.9MB in the beginning and 100.7MB in the end (delta: -8.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.57ms. Allocated memory is still 134.2MB. Free memory was 100.7MB in the beginning and 99.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.42ms. Allocated memory is still 134.2MB. Free memory was 99.1MB in the beginning and 98.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 366.34ms. Allocated memory is still 134.2MB. Free memory was 98.1MB in the beginning and 89.1MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 377.17ms. Allocated memory is still 134.2MB. Free memory was 88.6MB in the beginning and 76.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 6.54ms. Allocated memory is still 134.2MB. Free memory was 76.0MB in the beginning and 75.5MB in the end (delta: 509.3kB). 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: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of to_int at line 7, overapproximation of to_real at line 6. Possible FailurePath: [L6] float f = 1; [L7] int i = f; [L8] COND TRUE i == 1 VAL [i=1] [L12] reach_error() VAL [i=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 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=6occurred 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 01:39:32,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1922f9-a60c-4e99-96e0-bc01b72a5119/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, 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_7f1922f9-a60c-4e99-96e0-bc01b72a5119/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1922f9-a60c-4e99-96e0-bc01b72a5119/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_7f1922f9-a60c-4e99-96e0-bc01b72a5119/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1922f9-a60c-4e99-96e0-bc01b72a5119/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1922f9-a60c-4e99-96e0-bc01b72a5119/bin/utaipan-g80aRyZoba/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1922f9-a60c-4e99-96e0-bc01b72a5119/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 --- 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 01:39:35,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:39:35,416 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:39:35,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:39:35,441 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:39:35,442 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:39:35,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:39:35,445 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:39:35,447 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:39:35,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:39:35,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:39:35,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:39:35,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:39:35,453 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:39:35,454 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:39:35,455 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:39:35,456 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:39:35,457 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:39:35,459 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:39:35,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:39:35,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:39:35,465 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:39:35,466 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:39:35,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:39:35,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:39:35,472 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:39:35,472 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:39:35,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:39:35,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:39:35,475 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:39:35,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:39:35,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:39:35,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:39:35,478 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:39:35,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:39:35,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:39:35,500 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:39:35,501 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:39:35,501 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:39:35,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:39:35,503 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:39:35,504 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1922f9-a60c-4e99-96e0-bc01b72a5119/bin/utaipan-g80aRyZoba/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-22 01:39:35,552 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:39:35,554 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:39:35,556 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:39:35,556 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:39:35,557 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:39:35,557 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:39:35,557 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:39:35,558 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:39:35,558 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:39:35,558 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:39:35,559 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:39:35,559 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:39:35,560 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:39:35,560 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:39:35,561 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:39:35,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:39:35,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:39:35,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:39:35,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:39:35,562 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 01:39:35,562 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-22 01:39:35,562 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-22 01:39:35,562 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:39:35,562 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:39:35,563 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:39:35,563 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:39:35,563 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:39:35,563 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-22 01:39:35,564 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:39:35,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:39:35,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:39:35,564 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:39:35,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:39:35,565 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-22 01:39:35,565 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-22 01:39:35,565 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:39:35,566 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:39:35,566 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-22 01:39:35,566 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_7f1922f9-a60c-4e99-96e0-bc01b72a5119/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1922f9-a60c-4e99-96e0-bc01b72a5119/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 [2022-11-22 01:39:35,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:39:36,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:39:36,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:39:36,022 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:39:36,023 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:39:36,025 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1922f9-a60c-4e99-96e0-bc01b72a5119/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2022-11-22 01:39:39,299 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:39:39,532 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:39:39,533 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1922f9-a60c-4e99-96e0-bc01b72a5119/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2022-11-22 01:39:39,539 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1922f9-a60c-4e99-96e0-bc01b72a5119/bin/utaipan-g80aRyZoba/data/e98fe4e74/4000f1006ead441ca715e6a0a885477a/FLAGb3f981b45 [2022-11-22 01:39:39,565 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1922f9-a60c-4e99-96e0-bc01b72a5119/bin/utaipan-g80aRyZoba/data/e98fe4e74/4000f1006ead441ca715e6a0a885477a [2022-11-22 01:39:39,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:39:39,572 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:39:39,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:39:39,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:39:39,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:39:39,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:39:39" (1/1) ... [2022-11-22 01:39:39,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ec2b4ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:39, skipping insertion in model container [2022-11-22 01:39:39,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:39:39" (1/1) ... [2022-11-22 01:39:39,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:39:39,619 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:39:39,782 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_7f1922f9-a60c-4e99-96e0-bc01b72a5119/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2022-11-22 01:39:39,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:39:39,811 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:39:39,826 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_7f1922f9-a60c-4e99-96e0-bc01b72a5119/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2022-11-22 01:39:39,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:39:39,844 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:39:39,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:39 WrapperNode [2022-11-22 01:39:39,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:39:39,847 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:39:39,847 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:39:39,847 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:39:39,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:39" (1/1) ... [2022-11-22 01:39:39,864 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:39" (1/1) ... [2022-11-22 01:39:39,881 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2022-11-22 01:39:39,882 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:39:39,883 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:39:39,883 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:39:39,883 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:39:39,894 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:39" (1/1) ... [2022-11-22 01:39:39,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:39" (1/1) ... [2022-11-22 01:39:39,896 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:39" (1/1) ... [2022-11-22 01:39:39,896 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:39" (1/1) ... [2022-11-22 01:39:39,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:39" (1/1) ... [2022-11-22 01:39:39,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:39" (1/1) ... [2022-11-22 01:39:39,906 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:39" (1/1) ... [2022-11-22 01:39:39,907 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:39" (1/1) ... [2022-11-22 01:39:39,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:39:39,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:39:39,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:39:39,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:39:39,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:39" (1/1) ... [2022-11-22 01:39:39,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:39:39,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1922f9-a60c-4e99-96e0-bc01b72a5119/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:39:39,951 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1922f9-a60c-4e99-96e0-bc01b72a5119/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:39:39,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1922f9-a60c-4e99-96e0-bc01b72a5119/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:39:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:39:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:39:40,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:39:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-22 01:39:40,101 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:39:40,103 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:39:40,256 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:39:40,262 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:39:40,269 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 01:39:40,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:39:40 BoogieIcfgContainer [2022-11-22 01:39:40,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:39:40,274 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:39:40,276 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:39:40,279 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:39:40,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:39:39" (1/3) ... [2022-11-22 01:39:40,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16e9efc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:39:40, skipping insertion in model container [2022-11-22 01:39:40,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:39:39" (2/3) ... [2022-11-22 01:39:40,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16e9efc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:39:40, skipping insertion in model container [2022-11-22 01:39:40,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:39:40" (3/3) ... [2022-11-22 01:39:40,285 INFO L112 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2022-11-22 01:39:40,309 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:39:40,309 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 01:39:40,366 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:39:40,372 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;@67f6f3ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:39:40,373 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 01:39:40,377 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 states have internal predecessors, (8), 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 01:39:40,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-22 01:39:40,383 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:39:40,384 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-22 01:39:40,384 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:39:40,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:39:40,389 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2022-11-22 01:39:40,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 01:39:40,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1155616298] [2022-11-22 01:39:40,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:39:40,401 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 01:39:40,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1922f9-a60c-4e99-96e0-bc01b72a5119/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 01:39:40,407 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1922f9-a60c-4e99-96e0-bc01b72a5119/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-22 01:39:40,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1922f9-a60c-4e99-96e0-bc01b72a5119/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-22 01:39:40,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:39:40,496 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 01:39:40,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:39:40,542 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-22 01:39:40,548 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 01:39:40,550 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-22 01:39:40,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1922f9-a60c-4e99-96e0-bc01b72a5119/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-22 01:39:40,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1922f9-a60c-4e99-96e0-bc01b72a5119/bin/utaipan-g80aRyZoba/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-22 01:39:40,784 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-22 01:39:40,788 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 01:39:40,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:39:40 BoogieIcfgContainer [2022-11-22 01:39:40,813 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 01:39:40,816 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 01:39:40,816 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 01:39:40,816 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 01:39:40,817 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:39:40" (3/4) ... [2022-11-22 01:39:40,819 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-22 01:39:40,875 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1922f9-a60c-4e99-96e0-bc01b72a5119/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 01:39:40,876 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 01:39:40,877 INFO L158 Benchmark]: Toolchain (without parser) took 1305.09ms. Allocated memory is still 75.5MB. Free memory was 52.0MB in the beginning and 39.0MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-22 01:39:40,878 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 75.5MB. Free memory is still 52.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:39:40,878 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.10ms. Allocated memory is still 75.5MB. Free memory was 51.8MB in the beginning and 41.7MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-22 01:39:40,881 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.63ms. Allocated memory is still 75.5MB. Free memory was 41.5MB in the beginning and 40.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:39:40,885 INFO L158 Benchmark]: Boogie Preprocessor took 26.61ms. Allocated memory is still 75.5MB. Free memory was 40.1MB in the beginning and 38.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:39:40,885 INFO L158 Benchmark]: RCFGBuilder took 362.08ms. Allocated memory is still 75.5MB. Free memory was 38.9MB in the beginning and 53.3MB in the end (delta: -14.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-22 01:39:40,886 INFO L158 Benchmark]: TraceAbstraction took 538.79ms. Allocated memory is still 75.5MB. Free memory was 52.6MB in the beginning and 40.8MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-22 01:39:40,887 INFO L158 Benchmark]: Witness Printer took 60.17ms. Allocated memory is still 75.5MB. Free memory was 40.8MB in the beginning and 39.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:39:40,893 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 75.5MB. Free memory is still 52.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.10ms. Allocated memory is still 75.5MB. Free memory was 51.8MB in the beginning and 41.7MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.63ms. Allocated memory is still 75.5MB. Free memory was 41.5MB in the beginning and 40.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.61ms. Allocated memory is still 75.5MB. Free memory was 40.1MB in the beginning and 38.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 362.08ms. Allocated memory is still 75.5MB. Free memory was 38.9MB in the beginning and 53.3MB in the end (delta: -14.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 538.79ms. Allocated memory is still 75.5MB. Free memory was 52.6MB in the beginning and 40.8MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 60.17ms. Allocated memory is still 75.5MB. Free memory was 40.8MB in the beginning and 39.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. 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 - CounterExampleResult [Line: 12]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L6] float f = 1; [L7] int i = f; VAL [f=1.0, i=1] [L8] COND TRUE i == 1 VAL [f=1.0, i=1] [L12] reach_error() VAL [f=1.0, i=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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=8occurred 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, 4 NumberOfCodeBlocks, 4 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 proved your program to be incorrect! [2022-11-22 01:39:40,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f1922f9-a60c-4e99-96e0-bc01b72a5119/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE