./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/Rump_double.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_double.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/bin/utaipan-gh47qXpMRh --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 24eef60621a3eded894d905d0ae81df54cefb9ddd4a5c4a4a6a0c7f2fc93ac13 --- 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-2329fc7 [2022-12-14 05:14:59,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:14:59,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:14:59,541 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:14:59,541 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:14:59,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:14:59,542 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:14:59,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:14:59,544 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:14:59,545 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:14:59,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:14:59,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:14:59,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:14:59,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:14:59,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:14:59,549 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:14:59,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:14:59,550 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:14:59,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:14:59,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:14:59,553 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:14:59,554 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:14:59,555 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:14:59,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:14:59,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:14:59,558 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:14:59,558 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:14:59,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:14:59,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:14:59,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:14:59,559 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:14:59,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:14:59,561 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:14:59,561 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:14:59,562 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:14:59,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:14:59,562 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:14:59,563 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:14:59,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:14:59,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:14:59,564 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:14:59,564 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-12-14 05:14:59,579 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:14:59,579 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:14:59,579 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:14:59,584 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:14:59,585 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:14:59,585 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:14:59,585 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:14:59,585 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:14:59,586 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:14:59,586 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 05:14:59,586 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:14:59,586 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:14:59,586 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 05:14:59,586 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 05:14:59,587 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:14:59,587 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 05:14:59,587 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 05:14:59,587 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 05:14:59,588 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:14:59,588 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 05:14:59,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 05:14:59,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 05:14:59,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:14:59,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:14:59,589 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:14:59,589 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:14:59,589 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 05:14:59,589 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:14:59,589 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:14:59,589 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:14:59,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:14:59,590 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:14:59,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:14:59,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:14:59,590 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 05:14:59,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:14:59,590 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:14:59,591 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 05:14:59,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 05:14:59,591 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:14:59,591 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:14:59,591 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_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24eef60621a3eded894d905d0ae81df54cefb9ddd4a5c4a4a6a0c7f2fc93ac13 [2022-12-14 05:14:59,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:14:59,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:14:59,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:14:59,784 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:14:59,784 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:14:59,785 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/float-benchs/Rump_double.c [2022-12-14 05:15:02,387 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:15:02,541 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:15:02,541 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/sv-benchmarks/c/float-benchs/Rump_double.c [2022-12-14 05:15:02,547 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/bin/utaipan-gh47qXpMRh/data/dabc59ac3/0c3d0cfd74424168affc7e4eefd24988/FLAG28b6738e9 [2022-12-14 05:15:02,558 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/bin/utaipan-gh47qXpMRh/data/dabc59ac3/0c3d0cfd74424168affc7e4eefd24988 [2022-12-14 05:15:02,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:15:02,561 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:15:02,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:15:02,562 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:15:02,564 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:15:02,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:15:02" (1/1) ... [2022-12-14 05:15:02,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17485754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:15:02, skipping insertion in model container [2022-12-14 05:15:02,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:15:02" (1/1) ... [2022-12-14 05:15:02,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:15:02,581 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:15:02,683 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_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/sv-benchmarks/c/float-benchs/Rump_double.c[339,352] [2022-12-14 05:15:02,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:15:02,701 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:15:02,709 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_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/sv-benchmarks/c/float-benchs/Rump_double.c[339,352] [2022-12-14 05:15:02,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:15:02,721 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:15:02,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:15:02 WrapperNode [2022-12-14 05:15:02,722 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:15:02,723 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:15:02,723 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:15:02,723 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:15:02,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:15:02" (1/1) ... [2022-12-14 05:15:02,733 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:15:02" (1/1) ... [2022-12-14 05:15:02,745 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 25 [2022-12-14 05:15:02,745 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:15:02,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:15:02,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:15:02,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:15:02,752 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:15:02" (1/1) ... [2022-12-14 05:15:02,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:15:02" (1/1) ... [2022-12-14 05:15:02,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:15:02" (1/1) ... [2022-12-14 05:15:02,753 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:15:02" (1/1) ... [2022-12-14 05:15:02,756 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:15:02" (1/1) ... [2022-12-14 05:15:02,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:15:02" (1/1) ... [2022-12-14 05:15:02,758 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:15:02" (1/1) ... [2022-12-14 05:15:02,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:15:02" (1/1) ... [2022-12-14 05:15:02,759 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:15:02,760 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:15:02,760 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:15:02,760 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:15:02,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:15:02" (1/1) ... [2022-12-14 05:15:02,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:15:02,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:15:02,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:15:02,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:15:02,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:15:02,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:15:02,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:15:02,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 05:15:02,872 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:15:02,873 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:15:02,930 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:15:02,943 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:15:02,943 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 05:15:02,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:15:02 BoogieIcfgContainer [2022-12-14 05:15:02,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:15:02,948 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:15:02,948 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:15:02,951 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:15:02,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:15:02" (1/3) ... [2022-12-14 05:15:02,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fc0713e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:15:02, skipping insertion in model container [2022-12-14 05:15:02,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:15:02" (2/3) ... [2022-12-14 05:15:02,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fc0713e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:15:02, skipping insertion in model container [2022-12-14 05:15:02,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:15:02" (3/3) ... [2022-12-14 05:15:02,954 INFO L112 eAbstractionObserver]: Analyzing ICFG Rump_double.c [2022-12-14 05:15:02,972 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:15:02,972 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 05:15:03,017 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:15:03,024 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;@42ed4bf0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:15:03,024 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 05:15:03,028 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) [2022-12-14 05:15:03,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 05:15:03,033 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:15:03,033 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-12-14 05:15:03,034 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:15:03,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:15:03,039 INFO L85 PathProgramCache]: Analyzing trace with hash 47251, now seen corresponding path program 1 times [2022-12-14 05:15:03,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:15:03,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568564261] [2022-12-14 05:15:03,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:15:03,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:15:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:15:03,128 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 05:15:03,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 05:15:03,147 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 05:15:03,149 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 05:15:03,150 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 05:15:03,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 05:15:03,155 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-14 05:15:03,159 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 05:15:03,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 05:15:03 BoogieIcfgContainer [2022-12-14 05:15:03,173 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 05:15:03,174 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 05:15:03,174 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 05:15:03,174 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 05:15:03,175 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:15:02" (3/4) ... [2022-12-14 05:15:03,178 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 05:15:03,178 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 05:15:03,179 INFO L158 Benchmark]: Toolchain (without parser) took 617.93ms. Allocated memory is still 121.6MB. Free memory was 79.6MB in the beginning and 43.7MB in the end (delta: 36.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-12-14 05:15:03,179 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 121.6MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:15:03,180 INFO L158 Benchmark]: CACSL2BoogieTranslator took 160.67ms. Allocated memory is still 121.6MB. Free memory was 79.6MB in the beginning and 69.6MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 05:15:03,181 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.71ms. Allocated memory is still 121.6MB. Free memory was 69.6MB in the beginning and 68.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:15:03,181 INFO L158 Benchmark]: Boogie Preprocessor took 13.47ms. Allocated memory is still 121.6MB. Free memory was 67.9MB in the beginning and 67.1MB in the end (delta: 836.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:15:03,182 INFO L158 Benchmark]: RCFGBuilder took 185.47ms. Allocated memory is still 121.6MB. Free memory was 67.1MB in the beginning and 57.5MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 05:15:03,182 INFO L158 Benchmark]: TraceAbstraction took 225.60ms. Allocated memory is still 121.6MB. Free memory was 57.0MB in the beginning and 44.1MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 05:15:03,183 INFO L158 Benchmark]: Witness Printer took 3.79ms. Allocated memory is still 121.6MB. Free memory was 44.1MB in the beginning and 43.7MB in the end (delta: 392.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:15:03,186 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 121.6MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 160.67ms. Allocated memory is still 121.6MB. Free memory was 79.6MB in the beginning and 69.6MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.71ms. Allocated memory is still 121.6MB. Free memory was 69.6MB in the beginning and 68.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.47ms. Allocated memory is still 121.6MB. Free memory was 67.9MB in the beginning and 67.1MB in the end (delta: 836.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 185.47ms. Allocated memory is still 121.6MB. Free memory was 67.1MB in the beginning and 57.5MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 225.60ms. Allocated memory is still 121.6MB. Free memory was 57.0MB in the beginning and 44.1MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 3.79ms. Allocated memory is still 121.6MB. Free memory was 44.1MB in the beginning and 43.7MB in the end (delta: 392.5kB). 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: 6]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 15, overapproximation of someBinaryArithmeticDOUBLEoperation at line 13. Possible FailurePath: [L10] double x,y,r; [L11] x = 77617. [L12] y = 33096. [L13] r = 333.75 * y*y*y*y*y*y + x*x * (11.0 * x*x*y*y - y*y*y*y*y*y - 121.0 * y*y*y*y - 2.0) + 5.5 * y*y*y*y*y*y*y*y + x / (2. * y) [L15] CALL __VERIFIER_assert((r >= 0)) [L6] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L6] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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 [2022-12-14 05:15:03,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/bin/utaipan-gh47qXpMRh/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_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/Rump_double.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/bin/utaipan-gh47qXpMRh --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 24eef60621a3eded894d905d0ae81df54cefb9ddd4a5c4a4a6a0c7f2fc93ac13 --- 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-2329fc7 [2022-12-14 05:15:04,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:15:04,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:15:04,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:15:04,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:15:04,891 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:15:04,892 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:15:04,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:15:04,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:15:04,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:15:04,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:15:04,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:15:04,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:15:04,900 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:15:04,901 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:15:04,902 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:15:04,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:15:04,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:15:04,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:15:04,907 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:15:04,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:15:04,910 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:15:04,911 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:15:04,912 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:15:04,915 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:15:04,916 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:15:04,916 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:15:04,917 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:15:04,917 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:15:04,918 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:15:04,919 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:15:04,919 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:15:04,920 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:15:04,921 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:15:04,922 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:15:04,922 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:15:04,923 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:15:04,923 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:15:04,923 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:15:04,924 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:15:04,925 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:15:04,925 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-12-14 05:15:04,945 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:15:04,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:15:04,946 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:15:04,946 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:15:04,946 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:15:04,947 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:15:04,947 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:15:04,947 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:15:04,947 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:15:04,947 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:15:04,948 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:15:04,948 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:15:04,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:15:04,949 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 05:15:04,949 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 05:15:04,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:15:04,949 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:15:04,949 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:15:04,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:15:04,950 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 05:15:04,950 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 05:15:04,950 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 05:15:04,950 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 05:15:04,951 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:15:04,951 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:15:04,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:15:04,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:15:04,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 05:15:04,952 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:15:04,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:15:04,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:15:04,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:15:04,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:15:04,953 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 05:15:04,953 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 05:15:04,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:15:04,953 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:15:04,953 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 05:15:04,953 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_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24eef60621a3eded894d905d0ae81df54cefb9ddd4a5c4a4a6a0c7f2fc93ac13 [2022-12-14 05:15:05,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:15:05,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:15:05,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:15:05,215 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:15:05,215 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:15:05,216 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/float-benchs/Rump_double.c [2022-12-14 05:15:07,795 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:15:07,965 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:15:07,965 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/sv-benchmarks/c/float-benchs/Rump_double.c [2022-12-14 05:15:07,972 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/bin/utaipan-gh47qXpMRh/data/cc7c281a3/b06ec839b3544332a191fdedfd819d38/FLAG37f55634e [2022-12-14 05:15:07,987 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/bin/utaipan-gh47qXpMRh/data/cc7c281a3/b06ec839b3544332a191fdedfd819d38 [2022-12-14 05:15:07,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:15:07,991 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:15:07,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:15:07,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:15:07,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:15:07,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:15:07" (1/1) ... [2022-12-14 05:15:07,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fdb443a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:15:07, skipping insertion in model container [2022-12-14 05:15:07,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:15:07" (1/1) ... [2022-12-14 05:15:08,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:15:08,017 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:15:08,161 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_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/sv-benchmarks/c/float-benchs/Rump_double.c[339,352] [2022-12-14 05:15:08,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:15:08,188 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:15:08,200 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_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/sv-benchmarks/c/float-benchs/Rump_double.c[339,352] [2022-12-14 05:15:08,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:15:08,219 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:15:08,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:15:08 WrapperNode [2022-12-14 05:15:08,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:15:08,221 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:15:08,221 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:15:08,221 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:15:08,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:15:08" (1/1) ... [2022-12-14 05:15:08,237 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:15:08" (1/1) ... [2022-12-14 05:15:08,254 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 26 [2022-12-14 05:15:08,254 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:15:08,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:15:08,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:15:08,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:15:08,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:15:08" (1/1) ... [2022-12-14 05:15:08,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:15:08" (1/1) ... [2022-12-14 05:15:08,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:15:08" (1/1) ... [2022-12-14 05:15:08,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:15:08" (1/1) ... [2022-12-14 05:15:08,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:15:08" (1/1) ... [2022-12-14 05:15:08,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:15:08" (1/1) ... [2022-12-14 05:15:08,276 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:15:08" (1/1) ... [2022-12-14 05:15:08,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:15:08" (1/1) ... [2022-12-14 05:15:08,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:15:08,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:15:08,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:15:08,280 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:15:08,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:15:08" (1/1) ... [2022-12-14 05:15:08,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:15:08,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:15:08,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:15:08,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:15:08,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:15:08,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:15:08,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:15:08,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 05:15:08,412 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:15:08,414 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:15:15,656 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:15:15,665 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:15:15,665 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 05:15:15,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:15:15 BoogieIcfgContainer [2022-12-14 05:15:15,667 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:15:15,671 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:15:15,671 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:15:15,675 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:15:15,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:15:07" (1/3) ... [2022-12-14 05:15:15,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19e98b27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:15:15, skipping insertion in model container [2022-12-14 05:15:15,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:15:08" (2/3) ... [2022-12-14 05:15:15,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19e98b27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:15:15, skipping insertion in model container [2022-12-14 05:15:15,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:15:15" (3/3) ... [2022-12-14 05:15:15,679 INFO L112 eAbstractionObserver]: Analyzing ICFG Rump_double.c [2022-12-14 05:15:15,700 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:15:15,700 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 05:15:15,754 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:15:15,761 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;@7657784a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:15:15,761 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 05:15:15,769 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 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) [2022-12-14 05:15:15,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 05:15:15,773 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:15:15,773 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 05:15:15,774 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 05:15:15,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:15:15,778 INFO L85 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2022-12-14 05:15:15,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 05:15:15,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [152724113] [2022-12-14 05:15:15,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:15:15,789 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 [2022-12-14 05:15:15,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 05:15:15,790 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/bin/utaipan-gh47qXpMRh/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) [2022-12-14 05:15:15,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/bin/utaipan-gh47qXpMRh/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 [2022-12-14 05:15:22,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:15:22,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 05:15:22,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:15:22,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:15:22,929 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:15:22,930 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 05:15:22,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [152724113] [2022-12-14 05:15:22,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [152724113] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:15:22,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:15:22,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:15:22,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769792394] [2022-12-14 05:15:22,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:15:22,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:15:22,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 05:15:22,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:15:22,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:15:22,970 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 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) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-12-14 05:15:29,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.89s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 05:15:31,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 05:15:31,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:15:31,120 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2022-12-14 05:15:31,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:15:31,123 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) Word has length 4 [2022-12-14 05:15:31,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:15:31,130 INFO L225 Difference]: With dead ends: 13 [2022-12-14 05:15:31,130 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 05:15:31,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:15:31,138 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:15:31,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 8 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 8.1s Time] [2022-12-14 05:15:31,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 05:15:31,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 05:15:31,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-12-14 05:15:31,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 05:15:31,163 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2022-12-14 05:15:31,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:15:31,163 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 05:15:31,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-12-14 05:15:31,164 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 05:15:31,164 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 05:15:31,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 05:15:31,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/bin/utaipan-gh47qXpMRh/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 [2022-12-14 05:15:31,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/bin/utaipan-gh47qXpMRh/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 [2022-12-14 05:15:31,373 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 05:15:31,543 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 05:15:31,544 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-14 05:15:31,544 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-14 05:15:31,544 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2022-12-14 05:15:31,544 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 05:15:31,545 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 8 17) the Hoare annotation is: (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) [2022-12-14 05:15:31,545 INFO L899 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2022-12-14 05:15:31,545 INFO L899 garLoopResultBuilder]: For program point L6-1(line 6) no Hoare annotation was computed. [2022-12-14 05:15:31,545 INFO L895 garLoopResultBuilder]: At program point L6-3(line 6) the Hoare annotation is: (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) [2022-12-14 05:15:31,549 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-14 05:15:31,552 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 05:15:31,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 05:15:31 BoogieIcfgContainer [2022-12-14 05:15:31,563 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 05:15:31,564 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 05:15:31,564 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 05:15:31,564 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 05:15:31,565 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:15:15" (3/4) ... [2022-12-14 05:15:31,567 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 05:15:31,575 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-12-14 05:15:31,575 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-14 05:15:31,575 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 05:15:31,575 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 05:15:31,598 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 05:15:31,598 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 05:15:31,598 INFO L158 Benchmark]: Toolchain (without parser) took 23607.66ms. Allocated memory is still 111.1MB. Free memory was 90.0MB in the beginning and 68.1MB in the end (delta: 21.9MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2022-12-14 05:15:31,598 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 58.7MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:15:31,599 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.21ms. Allocated memory is still 111.1MB. Free memory was 89.7MB in the beginning and 79.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 05:15:31,599 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.06ms. Allocated memory is still 111.1MB. Free memory was 79.3MB in the beginning and 77.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:15:31,599 INFO L158 Benchmark]: Boogie Preprocessor took 24.56ms. Allocated memory is still 111.1MB. Free memory was 77.5MB in the beginning and 76.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:15:31,600 INFO L158 Benchmark]: RCFGBuilder took 7387.72ms. Allocated memory is still 111.1MB. Free memory was 76.1MB in the beginning and 66.8MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-14 05:15:31,600 INFO L158 Benchmark]: TraceAbstraction took 15892.33ms. Allocated memory is still 111.1MB. Free memory was 66.3MB in the beginning and 70.2MB in the end (delta: -4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 05:15:31,600 INFO L158 Benchmark]: Witness Printer took 33.80ms. Allocated memory is still 111.1MB. Free memory was 70.2MB in the beginning and 68.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 05:15:31,602 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 58.7MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 228.21ms. Allocated memory is still 111.1MB. Free memory was 89.7MB in the beginning and 79.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.06ms. Allocated memory is still 111.1MB. Free memory was 79.3MB in the beginning and 77.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.56ms. Allocated memory is still 111.1MB. Free memory was 77.5MB in the beginning and 76.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 7387.72ms. Allocated memory is still 111.1MB. Free memory was 76.1MB in the beginning and 66.8MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 15892.33ms. Allocated memory is still 111.1MB. Free memory was 66.3MB in the beginning and 70.2MB in the end (delta: -4.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 33.80ms. Allocated memory is still 111.1MB. Free memory was 70.2MB in the beginning and 68.1MB in the end (delta: 2.1MB). 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 - PositiveResult [Line: 6]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.8s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 8.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 7.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 6 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 6.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 5 NumberOfNonLiveVariables, 22 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: cond == 1bv32 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: cond == 1bv32 RESULT: Ultimate proved your program to be correct! [2022-12-14 05:15:31,809 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-12-14 05:15:31,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff54bdb0-ca5c-4988-acfa-2bad029b50cc/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE