./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0910b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0910b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8 --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 14d22f17681e24ff9bf077eb5f196519a9b5019c8fb9285b97a7644c12cebe77 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:39:01,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:39:01,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:39:01,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:39:01,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:39:01,603 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:39:01,606 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:39:01,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:39:01,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:39:01,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:39:01,627 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:39:01,629 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:39:01,630 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:39:01,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:39:01,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:39:01,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:39:01,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:39:01,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:39:01,651 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:39:01,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:39:01,663 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:39:01,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:39:01,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:39:01,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:39:01,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:39:01,677 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:39:01,678 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:39:01,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:39:01,680 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:39:01,681 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:39:01,682 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:39:01,683 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:39:01,684 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:39:01,686 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:39:01,687 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:39:01,687 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:39:01,688 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:39:01,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:39:01,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:39:01,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:39:01,691 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:39:01,692 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:39:01,721 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:39:01,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:39:01,722 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:39:01,722 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:39:01,723 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:39:01,723 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:39:01,723 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:39:01,723 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:39:01,724 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:39:01,724 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:39:01,724 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:39:01,725 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:39:01,725 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:39:01,725 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:39:01,725 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:39:01,726 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:39:01,726 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:39:01,727 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:39:01,727 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:39:01,727 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:39:01,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:39:01,728 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:39:01,728 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:39:01,728 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:39:01,728 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:39:01,729 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:39:01,729 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:39:01,729 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:39:01,730 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:39:01,730 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:39:01,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:39:01,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:39:01,731 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:39:01,735 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:39:01,735 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:39:01,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:39:01,736 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:39:01,736 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:39:01,736 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:39:01,736 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14d22f17681e24ff9bf077eb5f196519a9b5019c8fb9285b97a7644c12cebe77 [2021-11-07 01:39:02,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:39:02,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:39:02,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:39:02,061 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:39:02,062 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:39:02,063 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/float-newlib/double_req_bl_0910b.c [2021-11-07 01:39:02,130 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/data/d22cc6ffe/44dee252db5b44e49e75eb8c19ea98ef/FLAG5f507bac4 [2021-11-07 01:39:02,653 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:39:02,654 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/sv-benchmarks/c/float-newlib/double_req_bl_0910b.c [2021-11-07 01:39:02,661 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/data/d22cc6ffe/44dee252db5b44e49e75eb8c19ea98ef/FLAG5f507bac4 [2021-11-07 01:39:03,019 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/data/d22cc6ffe/44dee252db5b44e49e75eb8c19ea98ef [2021-11-07 01:39:03,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:39:03,024 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:39:03,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:39:03,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:39:03,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:39:03,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:39:03" (1/1) ... [2021-11-07 01:39:03,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@548db661 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:03, skipping insertion in model container [2021-11-07 01:39:03,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:39:03" (1/1) ... [2021-11-07 01:39:03,052 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:39:03,081 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:39:03,301 WARN L228 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_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/sv-benchmarks/c/float-newlib/double_req_bl_0910b.c[3599,3612] [2021-11-07 01:39:03,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:39:03,314 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:39:03,358 WARN L228 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_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/sv-benchmarks/c/float-newlib/double_req_bl_0910b.c[3599,3612] [2021-11-07 01:39:03,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:39:03,376 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:39:03,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:03 WrapperNode [2021-11-07 01:39:03,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:39:03,378 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:39:03,378 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:39:03,378 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:39:03,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:03" (1/1) ... [2021-11-07 01:39:03,398 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:03" (1/1) ... [2021-11-07 01:39:03,432 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:39:03,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:39:03,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:39:03,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:39:03,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:03" (1/1) ... [2021-11-07 01:39:03,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:03" (1/1) ... [2021-11-07 01:39:03,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:03" (1/1) ... [2021-11-07 01:39:03,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:03" (1/1) ... [2021-11-07 01:39:03,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:03" (1/1) ... [2021-11-07 01:39:03,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:03" (1/1) ... [2021-11-07 01:39:03,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:03" (1/1) ... [2021-11-07 01:39:03,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:39:03,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:39:03,473 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:39:03,473 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:39:03,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:03" (1/1) ... [2021-11-07 01:39:03,483 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:39:03,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:39:03,525 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:39:03,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:39:03,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 01:39:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:39:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-07 01:39:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 01:39:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-07 01:39:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:39:03,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:39:03,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 01:39:03,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:39:04,189 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:39:04,189 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-11-07 01:39:04,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:39:04 BoogieIcfgContainer [2021-11-07 01:39:04,193 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:39:04,195 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:39:04,195 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:39:04,203 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:39:04,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:39:03" (1/3) ... [2021-11-07 01:39:04,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a2bf0a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:39:04, skipping insertion in model container [2021-11-07 01:39:04,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:03" (2/3) ... [2021-11-07 01:39:04,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a2bf0a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:39:04, skipping insertion in model container [2021-11-07 01:39:04,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:39:04" (3/3) ... [2021-11-07 01:39:04,207 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0910b.c [2021-11-07 01:39:04,213 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:39:04,213 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 01:39:04,306 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:39:04,318 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:39:04,319 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 01:39:04,340 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 20 states have (on average 1.7) internal successors, (34), 21 states have internal predecessors, (34), 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) [2021-11-07 01:39:04,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-07 01:39:04,368 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:39:04,369 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:39:04,369 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:39:04,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:39:04,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1544195697, now seen corresponding path program 1 times [2021-11-07 01:39:04,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:39:04,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305847482] [2021-11-07 01:39:04,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:39:04,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:39:04,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:39:04,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:39:04,678 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:39:04,678 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305847482] [2021-11-07 01:39:04,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305847482] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:39:04,680 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:39:04,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 01:39:04,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788541419] [2021-11-07 01:39:04,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:39:04,692 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:39:04,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:39:04,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:39:04,719 INFO L87 Difference]: Start difference. First operand has 22 states, 20 states have (on average 1.7) internal successors, (34), 21 states have internal predecessors, (34), 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 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-11-07 01:39:04,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:39:04,746 INFO L93 Difference]: Finished difference Result 43 states and 67 transitions. [2021-11-07 01:39:04,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:39:04,749 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2021-11-07 01:39:04,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:39:04,762 INFO L225 Difference]: With dead ends: 43 [2021-11-07 01:39:04,763 INFO L226 Difference]: Without dead ends: 20 [2021-11-07 01:39:04,767 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:39:04,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-11-07 01:39:04,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-11-07 01:39:04,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 19 states have internal predecessors, (23), 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) [2021-11-07 01:39:04,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2021-11-07 01:39:04,812 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 10 [2021-11-07 01:39:04,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:39:04,813 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-11-07 01:39:04,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-11-07 01:39:04,813 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2021-11-07 01:39:04,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-07 01:39:04,815 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:39:04,815 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:39:04,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 01:39:04,816 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:39:04,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:39:04,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1170194359, now seen corresponding path program 1 times [2021-11-07 01:39:04,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:39:04,822 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889397690] [2021-11-07 01:39:04,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:39:04,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:39:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:39:05,017 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 01:39:05,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:39:05,119 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-07 01:39:05,119 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 01:39:05,121 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:39:05,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 01:39:05,127 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-07 01:39:05,131 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:39:05,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:39:05 BoogieIcfgContainer [2021-11-07 01:39:05,169 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:39:05,170 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:39:05,170 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:39:05,171 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:39:05,171 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:39:04" (3/4) ... [2021-11-07 01:39:05,175 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-07 01:39:05,175 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:39:05,177 INFO L168 Benchmark]: Toolchain (without parser) took 2152.36 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 73.5 MB in the beginning and 79.1 MB in the end (delta: -5.6 MB). Peak memory consumption was 17.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:39:05,178 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 107.0 MB. Free memory is still 59.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:39:05,179 INFO L168 Benchmark]: CACSL2BoogieTranslator took 341.30 ms. Allocated memory is still 107.0 MB. Free memory was 73.3 MB in the beginning and 78.1 MB in the end (delta: -4.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:39:05,180 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.40 ms. Allocated memory is still 107.0 MB. Free memory was 78.1 MB in the beginning and 76.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:39:05,180 INFO L168 Benchmark]: Boogie Preprocessor took 38.73 ms. Allocated memory is still 107.0 MB. Free memory was 76.0 MB in the beginning and 74.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:39:05,181 INFO L168 Benchmark]: RCFGBuilder took 720.53 ms. Allocated memory is still 107.0 MB. Free memory was 74.3 MB in the beginning and 55.4 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-11-07 01:39:05,182 INFO L168 Benchmark]: TraceAbstraction took 974.85 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 54.6 MB in the beginning and 79.8 MB in the end (delta: -25.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:39:05,184 INFO L168 Benchmark]: Witness Printer took 4.95 ms. Allocated memory is still 130.0 MB. Free memory was 79.8 MB in the beginning and 79.1 MB in the end (delta: 726.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:39:05,194 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 107.0 MB. Free memory is still 59.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 341.30 ms. Allocated memory is still 107.0 MB. Free memory was 73.3 MB in the beginning and 78.1 MB in the end (delta: -4.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 54.40 ms. Allocated memory is still 107.0 MB. Free memory was 78.1 MB in the beginning and 76.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.73 ms. Allocated memory is still 107.0 MB. Free memory was 76.0 MB in the beginning and 74.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 720.53 ms. Allocated memory is still 107.0 MB. Free memory was 74.3 MB in the beginning and 55.4 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 974.85 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 54.6 MB in the beginning and 79.8 MB in the end (delta: -25.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.95 ms. Allocated memory is still 130.0 MB. Free memory was 79.8 MB in the beginning and 79.1 MB in the end (delta: 726.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * 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: 139]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 29, overapproximation of someUnaryDOUBLEoperation at line 134, overapproximation of someBinaryArithmeticDOUBLEoperation at line 62, overapproximation of bitwiseAnd at line 28. Possible FailurePath: [L34-L43] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L45] static const double zero = 0.0; [L134] double x = -0.0; [L48] double hfsq, f, s, z, R, w, t1, t2, dk; [L49] __int32_t k, hx, i, j; [L50] __uint32_t lx; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L53] ieee_double_shape_type ew_u; [L54] ew_u.value = (x) [L55] EXPR ew_u.parts.msw [L55] (hx) = ew_u.parts.msw [L56] EXPR ew_u.parts.lsw [L56] (lx) = ew_u.parts.lsw [L59] k = 0 VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L60] COND TRUE hx < 0x00100000 VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L61] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L62] return -two54_log / zero; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L135] double res = __ieee754_log(x); [L21] __int32_t hx, lx; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (hx) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (lx) = ew_u.parts.lsw [L28] hx &= 0x7fffffff [L29] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L30] hx = 0x7ff00000 - hx [L31] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L138] COND TRUE !isinf_double(res) [L139] reach_error() VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 25 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 2, 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: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-07 01:39:05,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0910b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8 --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 14d22f17681e24ff9bf077eb5f196519a9b5019c8fb9285b97a7644c12cebe77 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:39:08,114 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:39:08,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:39:08,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:39:08,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:39:08,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:39:08,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:39:08,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:39:08,163 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:39:08,165 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:39:08,166 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:39:08,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:39:08,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:39:08,170 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:39:08,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:39:08,175 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:39:08,176 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:39:08,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:39:08,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:39:08,184 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:39:08,186 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:39:08,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:39:08,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:39:08,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:39:08,197 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:39:08,197 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:39:08,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:39:08,199 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:39:08,200 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:39:08,202 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:39:08,202 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:39:08,203 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:39:08,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:39:08,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:39:08,207 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:39:08,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:39:08,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:39:08,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:39:08,209 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:39:08,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:39:08,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:39:08,213 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:39:08,252 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:39:08,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:39:08,253 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:39:08,253 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:39:08,253 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:39:08,253 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:39:08,254 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:39:08,254 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:39:08,254 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:39:08,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:39:08,255 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:39:08,256 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:39:08,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:39:08,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:39:08,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:39:08,256 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:39:08,257 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:39:08,257 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:39:08,257 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:39:08,257 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:39:08,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:39:08,258 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:39:08,258 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:39:08,258 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:39:08,258 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:39:08,259 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:39:08,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:39:08,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:39:08,262 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:39:08,262 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:39:08,262 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:39:08,263 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:39:08,263 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:39:08,263 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:39:08,263 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:39:08,264 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_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14d22f17681e24ff9bf077eb5f196519a9b5019c8fb9285b97a7644c12cebe77 [2021-11-07 01:39:08,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:39:08,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:39:08,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:39:08,711 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:39:08,712 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:39:08,713 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/float-newlib/double_req_bl_0910b.c [2021-11-07 01:39:08,788 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/data/a7feb0106/40440709b75945549b78c2586f64b87c/FLAG1734e2639 [2021-11-07 01:39:09,388 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:39:09,389 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/sv-benchmarks/c/float-newlib/double_req_bl_0910b.c [2021-11-07 01:39:09,398 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/data/a7feb0106/40440709b75945549b78c2586f64b87c/FLAG1734e2639 [2021-11-07 01:39:09,738 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/data/a7feb0106/40440709b75945549b78c2586f64b87c [2021-11-07 01:39:09,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:39:09,755 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:39:09,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:39:09,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:39:09,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:39:09,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:39:09" (1/1) ... [2021-11-07 01:39:09,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4561d4d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:09, skipping insertion in model container [2021-11-07 01:39:09,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:39:09" (1/1) ... [2021-11-07 01:39:09,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:39:09,798 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:39:09,993 WARN L228 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_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/sv-benchmarks/c/float-newlib/double_req_bl_0910b.c[3599,3612] [2021-11-07 01:39:09,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:39:10,010 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:39:10,053 WARN L228 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_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/sv-benchmarks/c/float-newlib/double_req_bl_0910b.c[3599,3612] [2021-11-07 01:39:10,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:39:10,085 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:39:10,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:10 WrapperNode [2021-11-07 01:39:10,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:39:10,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:39:10,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:39:10,087 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:39:10,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:10" (1/1) ... [2021-11-07 01:39:10,107 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:10" (1/1) ... [2021-11-07 01:39:10,133 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:39:10,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:39:10,135 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:39:10,135 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:39:10,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:10" (1/1) ... [2021-11-07 01:39:10,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:10" (1/1) ... [2021-11-07 01:39:10,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:10" (1/1) ... [2021-11-07 01:39:10,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:10" (1/1) ... [2021-11-07 01:39:10,185 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:10" (1/1) ... [2021-11-07 01:39:10,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:10" (1/1) ... [2021-11-07 01:39:10,208 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:10" (1/1) ... [2021-11-07 01:39:10,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:39:10,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:39:10,213 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:39:10,213 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:39:10,214 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:10" (1/1) ... [2021-11-07 01:39:10,228 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:39:10,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:39:10,261 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:39:10,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:39:10,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-07 01:39:10,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-11-07 01:39:10,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:39:10,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:39:10,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 01:39:10,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:39:10,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:39:10,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 01:39:10,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:39:35,959 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:39:35,961 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-11-07 01:39:35,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:39:35 BoogieIcfgContainer [2021-11-07 01:39:35,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:39:35,966 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:39:35,966 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:39:35,970 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:39:35,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:39:09" (1/3) ... [2021-11-07 01:39:35,973 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eaf5ab7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:39:35, skipping insertion in model container [2021-11-07 01:39:35,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:39:10" (2/3) ... [2021-11-07 01:39:35,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eaf5ab7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:39:35, skipping insertion in model container [2021-11-07 01:39:35,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:39:35" (3/3) ... [2021-11-07 01:39:35,978 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0910b.c [2021-11-07 01:39:35,985 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:39:35,985 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 01:39:36,070 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:39:36,085 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:39:36,086 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 01:39:36,123 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 30 states have (on average 1.7) internal successors, (51), 31 states have internal predecessors, (51), 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) [2021-11-07 01:39:36,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-07 01:39:36,137 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:39:36,138 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:39:36,139 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:39:36,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:39:36,148 INFO L85 PathProgramCache]: Analyzing trace with hash -2110731690, now seen corresponding path program 1 times [2021-11-07 01:39:36,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:39:36,162 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1749278197] [2021-11-07 01:39:36,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:39:36,164 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:39:36,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:39:36,168 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:39:36,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:39:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:39:37,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-07 01:39:37,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:39:37,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:39:37,694 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:39:37,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:39:37,911 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:39:37,912 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1749278197] [2021-11-07 01:39:37,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1749278197] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:39:37,913 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:39:37,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-07 01:39:37,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631158110] [2021-11-07 01:39:37,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 01:39:37,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:39:37,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 01:39:37,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:39:37,948 INFO L87 Difference]: Start difference. First operand has 32 states, 30 states have (on average 1.7) internal successors, (51), 31 states have internal predecessors, (51), 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 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2021-11-07 01:39:37,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:39:37,965 INFO L93 Difference]: Finished difference Result 62 states and 100 transitions. [2021-11-07 01:39:37,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 01:39:37,967 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 12 [2021-11-07 01:39:37,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:39:37,978 INFO L225 Difference]: With dead ends: 62 [2021-11-07 01:39:37,979 INFO L226 Difference]: Without dead ends: 29 [2021-11-07 01:39:37,982 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 01:39:38,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-11-07 01:39:38,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-11-07 01:39:38,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.3928571428571428) internal successors, (39), 28 states have internal predecessors, (39), 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) [2021-11-07 01:39:38,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2021-11-07 01:39:38,022 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 12 [2021-11-07 01:39:38,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:39:38,022 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2021-11-07 01:39:38,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2021-11-07 01:39:38,023 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2021-11-07 01:39:38,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-07 01:39:38,024 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:39:38,024 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:39:38,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:39:38,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:39:38,244 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:39:38,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:39:38,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1825265086, now seen corresponding path program 1 times [2021-11-07 01:39:38,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:39:38,247 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1574617626] [2021-11-07 01:39:38,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:39:38,247 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:39:38,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:39:38,248 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:39:38,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:39:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:39:39,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-07 01:39:39,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:39:40,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 33 [2021-11-07 01:39:42,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:39:42,242 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:39:43,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 89 [2021-11-07 01:39:56,437 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (or (not (= (fp.div c_currentRoundingMode (fp.neg c_~two54_log~0) c_~zero~0) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|)))) (not (= (bvadd (bvneg (bvlshr (let ((.cse0 (bvadd (_ bv2146435072 32) (bvneg (bvor (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) (bvlshr (let ((.cse1 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_9|))) (bvor .cse1 (bvneg .cse1))) (_ bv31 32))))))) (bvor .cse0 (bvneg .cse0))) (_ bv31 32))) (_ bv1 32)) (_ bv0 32))))) is different from false [2021-11-07 01:39:58,657 WARN L860 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (or (not (= (fp.div c_currentRoundingMode (fp.neg c_~two54_log~0) c_~zero~0) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|)))) (not (= (bvadd (bvneg (bvlshr (let ((.cse0 (bvadd (_ bv2146435072 32) (bvneg (bvor (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) (bvlshr (let ((.cse1 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_9|))) (bvor .cse1 (bvneg .cse1))) (_ bv31 32))))))) (bvor .cse0 (bvneg .cse0))) (_ bv31 32))) (_ bv1 32)) (_ bv0 32))))) is different from true [2021-11-07 01:40:41,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:41,896 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:40:41,896 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1574617626] [2021-11-07 01:40:41,896 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1574617626] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:40:41,896 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:40:41,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2021-11-07 01:40:41,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261095535] [2021-11-07 01:40:41,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-07 01:40:41,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:40:41,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-07 01:40:41,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=128, Unknown=2, NotChecked=22, Total=182 [2021-11-07 01:40:41,901 INFO L87 Difference]: Start difference. First operand 29 states and 39 transitions. Second operand has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 13 states have internal predecessors, (27), 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) [2021-11-07 01:40:44,806 WARN L860 $PredicateComparison]: unable to prove that (and (= ((_ to_fp 11 53) c_currentRoundingMode 18014398509481984.0) c_~two54_log~0) (forall ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (or (not (= (fp.div c_currentRoundingMode (fp.neg c_~two54_log~0) c_~zero~0) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|)))) (not (= (bvadd (bvneg (bvlshr (let ((.cse0 (bvadd (_ bv2146435072 32) (bvneg (bvor (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) (bvlshr (let ((.cse1 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_9|))) (bvor .cse1 (bvneg .cse1))) (_ bv31 32))))))) (bvor .cse0 (bvneg .cse0))) (_ bv31 32))) (_ bv1 32)) (_ bv0 32))))) (= (_ +zero 11 53) c_~zero~0) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2021-11-07 01:41:29,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:41:29,088 INFO L93 Difference]: Finished difference Result 37 states and 46 transitions. [2021-11-07 01:41:29,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 01:41:29,089 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 13 states have internal predecessors, (27), 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 14 [2021-11-07 01:41:29,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:41:29,090 INFO L225 Difference]: With dead ends: 37 [2021-11-07 01:41:29,090 INFO L226 Difference]: Without dead ends: 29 [2021-11-07 01:41:29,092 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 11.6s TimeCoverageRelationStatistics Valid=68, Invalid=209, Unknown=3, NotChecked=62, Total=342 [2021-11-07 01:41:29,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-11-07 01:41:29,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-11-07 01:41:29,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.3571428571428572) internal successors, (38), 28 states have internal predecessors, (38), 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) [2021-11-07 01:41:29,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 38 transitions. [2021-11-07 01:41:29,099 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 38 transitions. Word has length 14 [2021-11-07 01:41:29,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:41:29,099 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 38 transitions. [2021-11-07 01:41:29,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 13 states have internal predecessors, (27), 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) [2021-11-07 01:41:29,100 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2021-11-07 01:41:29,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-07 01:41:29,100 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:41:29,101 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:41:29,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:41:29,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:41:29,302 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:41:29,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:41:29,302 INFO L85 PathProgramCache]: Analyzing trace with hash 2016616349, now seen corresponding path program 1 times [2021-11-07 01:41:29,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:41:29,303 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [565942901] [2021-11-07 01:41:29,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:41:29,304 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:41:29,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:41:29,305 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:41:29,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:41:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:41:29,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:41:29,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:41:30,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:41:30,232 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:41:30,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:41:30,912 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:41:30,912 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [565942901] [2021-11-07 01:41:30,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [565942901] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:41:30,912 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:41:30,912 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 01:41:30,912 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714275603] [2021-11-07 01:41:30,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:41:30,913 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:41:30,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:41:30,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:41:30,915 INFO L87 Difference]: Start difference. First operand 29 states and 38 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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) [2021-11-07 01:41:34,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:41:34,026 INFO L93 Difference]: Finished difference Result 37 states and 45 transitions. [2021-11-07 01:41:34,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:41:34,053 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 14 [2021-11-07 01:41:34,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:41:34,053 INFO L225 Difference]: With dead ends: 37 [2021-11-07 01:41:34,053 INFO L226 Difference]: Without dead ends: 16 [2021-11-07 01:41:34,054 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:41:34,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-11-07 01:41:34,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-11-07 01:41:34,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.0) internal successors, (15), 15 states have internal predecessors, (15), 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) [2021-11-07 01:41:34,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2021-11-07 01:41:34,057 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 14 [2021-11-07 01:41:34,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:41:34,058 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2021-11-07 01:41:34,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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) [2021-11-07 01:41:34,058 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2021-11-07 01:41:34,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-07 01:41:34,059 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:41:34,059 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:41:34,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-11-07 01:41:34,270 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:41:34,271 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:41:34,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:41:34,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1126164636, now seen corresponding path program 1 times [2021-11-07 01:41:34,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:41:34,272 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [634948549] [2021-11-07 01:41:34,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:41:34,272 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:41:34,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:41:34,273 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:41:34,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:41:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:41:35,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 01:41:35,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:41:35,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 28 [2021-11-07 01:41:36,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:41:36,274 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:41:36,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2021-11-07 01:41:37,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:41:37,037 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:41:37,038 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [634948549] [2021-11-07 01:41:37,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [634948549] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:41:37,038 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:41:37,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-07 01:41:37,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592226878] [2021-11-07 01:41:37,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:41:37,039 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:41:37,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:41:37,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:41:37,040 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 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) [2021-11-07 01:41:37,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:41:37,239 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2021-11-07 01:41:37,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:41:37,240 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 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 15 [2021-11-07 01:41:37,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:41:37,240 INFO L225 Difference]: With dead ends: 16 [2021-11-07 01:41:37,240 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 01:41:37,241 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-07 01:41:37,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 01:41:37,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 01:41:37,241 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) [2021-11-07 01:41:37,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 01:41:37,242 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2021-11-07 01:41:37,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:41:37,242 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 01:41:37,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 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) [2021-11-07 01:41:37,242 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 01:41:37,242 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 01:41:37,245 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:41:37,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:41:37,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:41:37,449 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 01:41:37,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:37,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:37,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:37,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:37,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:37,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:37,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:40,375 INFO L857 garLoopResultBuilder]: For program point L60(lines 60 72) no Hoare annotation was computed. [2021-11-07 01:41:40,375 INFO L857 garLoopResultBuilder]: For program point L60-1(lines 47 126) no Hoare annotation was computed. [2021-11-07 01:41:40,375 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 52 57) no Hoare annotation was computed. [2021-11-07 01:41:40,376 INFO L853 garLoopResultBuilder]: At program point L52-2(lines 52 57) the Hoare annotation is: (and (= ((_ to_fp 11 53) currentRoundingMode 18014398509481984.0) ~two54_log~0) (= ULTIMATE.start___ieee754_log_~x (fp.neg (_ +zero 11 53))) (= (_ +zero 11 53) ~zero~0) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-07 01:41:40,377 INFO L857 garLoopResultBuilder]: For program point L52-3(lines 52 57) no Hoare annotation was computed. [2021-11-07 01:41:40,377 INFO L860 garLoopResultBuilder]: At program point L143(lines 128 144) the Hoare annotation is: true [2021-11-07 01:41:40,377 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 01:41:40,378 INFO L857 garLoopResultBuilder]: For program point L61(lines 61 62) no Hoare annotation was computed. [2021-11-07 01:41:40,378 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 01:41:40,378 INFO L857 garLoopResultBuilder]: For program point L86(lines 86 102) no Hoare annotation was computed. [2021-11-07 01:41:40,378 INFO L857 garLoopResultBuilder]: For program point L78-1(lines 78 83) no Hoare annotation was computed. [2021-11-07 01:41:40,378 INFO L853 garLoopResultBuilder]: At program point L78-2(lines 78 83) the Hoare annotation is: false [2021-11-07 01:41:40,379 INFO L857 garLoopResultBuilder]: For program point L78-3(lines 78 83) no Hoare annotation was computed. [2021-11-07 01:41:40,379 INFO L857 garLoopResultBuilder]: For program point L87(lines 87 94) no Hoare annotation was computed. [2021-11-07 01:41:40,379 INFO L857 garLoopResultBuilder]: For program point L96(lines 96 101) no Hoare annotation was computed. [2021-11-07 01:41:40,379 INFO L857 garLoopResultBuilder]: For program point L63(lines 63 64) no Hoare annotation was computed. [2021-11-07 01:41:40,380 INFO L857 garLoopResultBuilder]: For program point L121(lines 121 124) no Hoare annotation was computed. [2021-11-07 01:41:40,380 INFO L857 garLoopResultBuilder]: For program point L88(lines 88 93) no Hoare annotation was computed. [2021-11-07 01:41:40,380 INFO L857 garLoopResultBuilder]: For program point L22-1(lines 22 27) no Hoare annotation was computed. [2021-11-07 01:41:40,380 INFO L853 garLoopResultBuilder]: At program point L22-2(lines 22 27) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0)) (_ +zero 11 53)))) (and (= .cse0 |ULTIMATE.start___ieee754_log_#res|) (= .cse0 ULTIMATE.start_isinf_double_~x))) [2021-11-07 01:41:40,381 INFO L857 garLoopResultBuilder]: For program point L22-3(lines 22 27) no Hoare annotation was computed. [2021-11-07 01:41:40,381 INFO L857 garLoopResultBuilder]: For program point L113(lines 113 125) no Hoare annotation was computed. [2021-11-07 01:41:40,381 INFO L857 garLoopResultBuilder]: For program point L138(lines 138 141) no Hoare annotation was computed. [2021-11-07 01:41:40,382 INFO L853 garLoopResultBuilder]: At program point L31(lines 20 32) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0)) (_ +zero 11 53)))) (and (= .cse0 |ULTIMATE.start___ieee754_log_#res|) (= .cse0 ULTIMATE.start_isinf_double_~x) (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0)) (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= (bvadd (bvneg (bvlshr (let ((.cse1 (bvadd (_ bv2146435072 32) (bvneg (bvor (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) (bvlshr (let ((.cse2 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_9|))) (bvor .cse2 (bvneg .cse2))) (_ bv31 32))))))) (bvor .cse1 (bvneg .cse1))) (_ bv31 32))) (_ bv1 32)) |ULTIMATE.start_isinf_double_#res|))))) [2021-11-07 01:41:40,382 INFO L857 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-11-07 01:41:40,382 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 01:41:40,382 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 139) no Hoare annotation was computed. [2021-11-07 01:41:40,383 INFO L857 garLoopResultBuilder]: For program point L115(lines 115 119) no Hoare annotation was computed. [2021-11-07 01:41:40,383 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 01:41:40,383 INFO L853 garLoopResultBuilder]: At program point L124(lines 47 126) the Hoare annotation is: (= (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0)) (_ +zero 11 53)) |ULTIMATE.start___ieee754_log_#res|) [2021-11-07 01:41:40,384 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 67 71) no Hoare annotation was computed. [2021-11-07 01:41:40,384 INFO L853 garLoopResultBuilder]: At program point L67-2(lines 67 71) the Hoare annotation is: false [2021-11-07 01:41:40,388 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-07 01:41:40,389 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:41:40,398 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,402 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,403 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,404 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,404 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,405 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,406 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,406 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,407 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,407 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,407 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,407 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,408 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-07 01:41:40,408 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-07 01:41:40,408 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-07 01:41:40,408 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-07 01:41:40,408 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-07 01:41:40,409 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-07 01:41:40,409 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-07 01:41:40,409 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-07 01:41:40,415 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-07 01:41:40,416 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,416 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,416 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,417 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,417 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,417 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,417 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-07 01:41:40,417 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-07 01:41:40,418 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-07 01:41:40,418 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-07 01:41:40,418 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-07 01:41:40,418 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-07 01:41:40,419 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-07 01:41:40,419 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-07 01:41:40,419 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-07 01:41:40,420 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,420 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,421 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,421 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,421 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,421 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,422 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,422 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:41:40 BoogieIcfgContainer [2021-11-07 01:41:40,423 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:41:40,423 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:41:40,423 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:41:40,424 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:41:40,424 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:39:35" (3/4) ... [2021-11-07 01:41:40,427 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:41:40,439 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2021-11-07 01:41:40,439 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-07 01:41:40,440 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:41:40,440 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:41:40,472 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == \result [2021-11-07 01:41:40,473 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == \result && ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == x [2021-11-07 01:41:40,475 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == \result && ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == x) && (\exists v_skolemized_q#valueAsBitvector_9 : bv64 :: ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) && ~bvadd64(~bvneg32(~bvlshr32(~bvor32(~bvadd64(2146435072bv32, ~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_9[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_9[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_9[31:0])), 31bv32)))), ~bvneg32(~bvadd64(2146435072bv32, ~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_9[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_9[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_9[31:0])), 31bv32)))))), 31bv32)), 1bv32) == \result) [2021-11-07 01:41:40,563 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:41:40,563 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:41:40,565 INFO L168 Benchmark]: Toolchain (without parser) took 150808.39 ms. Allocated memory is still 62.9 MB. Free memory was 46.2 MB in the beginning and 39.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:41:40,565 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 48.2 MB. Free memory was 29.5 MB in the beginning and 29.5 MB in the end (delta: 33.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:41:40,566 INFO L168 Benchmark]: CACSL2BoogieTranslator took 328.68 ms. Allocated memory is still 62.9 MB. Free memory was 46.1 MB in the beginning and 33.2 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:41:40,566 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.02 ms. Allocated memory is still 62.9 MB. Free memory was 33.2 MB in the beginning and 31.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:41:40,567 INFO L168 Benchmark]: Boogie Preprocessor took 77.90 ms. Allocated memory is still 62.9 MB. Free memory was 31.1 MB in the beginning and 44.7 MB in the end (delta: -13.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:41:40,567 INFO L168 Benchmark]: RCFGBuilder took 25750.98 ms. Allocated memory is still 62.9 MB. Free memory was 44.7 MB in the beginning and 43.9 MB in the end (delta: 746.8 kB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. [2021-11-07 01:41:40,568 INFO L168 Benchmark]: TraceAbstraction took 124456.91 ms. Allocated memory is still 62.9 MB. Free memory was 43.4 MB in the beginning and 41.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 22.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:41:40,568 INFO L168 Benchmark]: Witness Printer took 139.75 ms. Allocated memory is still 62.9 MB. Free memory was 41.7 MB in the beginning and 39.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:41:40,570 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 48.2 MB. Free memory was 29.5 MB in the beginning and 29.5 MB in the end (delta: 33.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 328.68 ms. Allocated memory is still 62.9 MB. Free memory was 46.1 MB in the beginning and 33.2 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.02 ms. Allocated memory is still 62.9 MB. Free memory was 33.2 MB in the beginning and 31.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 77.90 ms. Allocated memory is still 62.9 MB. Free memory was 31.1 MB in the beginning and 44.7 MB in the end (delta: -13.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 25750.98 ms. Allocated memory is still 62.9 MB. Free memory was 44.7 MB in the beginning and 43.9 MB in the end (delta: 746.8 kB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 124456.91 ms. Allocated memory is still 62.9 MB. Free memory was 43.4 MB in the beginning and 41.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 22.1 MB. Max. memory is 16.1 GB. * Witness Printer took 139.75 ms. Allocated memory is still 62.9 MB. Free memory was 41.7 MB in the beginning and 39.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * 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: 139]: 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, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 124.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 50.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.9s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 91 SDtfs, 33 SDslu, 238 SDs, 0 SdLazy, 52 SolverSat, 5 SolverUnsat, 19 SolverUnknown, 0 SolverNotchecked, 44.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 109 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 12.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 18, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 12 NumberOfFragments, 124 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 58 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 66.1s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 102 ConstructedInterpolants, 21 QuantifiedInterpolants, 1062 SizeOfPredicates, 24 NumberOfNonLiveVariables, 255 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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: 52]: Loop Invariant [2021-11-07 01:41:40,588 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,590 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.8014398509481984E16) == two54_log && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~Pluszero~LONGDOUBLE() == zero) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 47]: Loop Invariant [2021-11-07 01:41:40,593 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,594 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,594 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,594 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == \result - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant [2021-11-07 01:41:40,595 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,595 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,595 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,595 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,596 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,596 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,596 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-07 01:41:40,596 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-07 01:41:40,596 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-07 01:41:40,596 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-07 01:41:40,597 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-07 01:41:40,598 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-07 01:41:40,598 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-07 01:41:40,599 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-07 01:41:40,599 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-07 01:41:40,607 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,607 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,608 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,608 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,608 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,608 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,608 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-07 01:41:40,608 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-07 01:41:40,609 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-07 01:41:40,609 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-07 01:41:40,609 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-07 01:41:40,609 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-07 01:41:40,610 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-07 01:41:40,610 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] [2021-11-07 01:41:40,611 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_9,QUANTIFIED] Derived loop invariant: (~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == \result && ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == x) && (\exists v_skolemized_q#valueAsBitvector_9 : bv64 :: ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_9[63:63], v_skolemized_q#valueAsBitvector_9[62:52], v_skolemized_q#valueAsBitvector_9[51:0]) && ~bvadd64(~bvneg32(~bvlshr32(~bvor32(~bvadd64(2146435072bv32, ~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_9[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_9[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_9[31:0])), 31bv32)))), ~bvneg32(~bvadd64(2146435072bv32, ~bvneg32(~bvor32(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_9[63:32]), ~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_9[31:0], ~bvneg32(v_skolemized_q#valueAsBitvector_9[31:0])), 31bv32)))))), 31bv32)), 1bv32) == \result) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant [2021-11-07 01:41:40,619 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,620 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,620 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,620 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,620 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,621 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,626 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-07 01:41:40,627 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == \result && ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == x RESULT: Ultimate proved your program to be correct! [2021-11-07 01:41:40,830 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-07 01:41:40,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f910db-0ba4-4c1e-acc1-96ff57957ab4/bin/utaipan-UUZaoUuFF8/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