./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0870a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0870a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH --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 142260caf5fd1ea490afd9487f6477f957eb3da92ef33653d5fac0daa32a8ec1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:14:37,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:14:37,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:14:37,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:14:37,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:14:37,432 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:14:37,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:14:37,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:14:37,442 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:14:37,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:14:37,448 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:14:37,450 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:14:37,450 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:14:37,453 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:14:37,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:14:37,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:14:37,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:14:37,460 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:14:37,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:14:37,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:14:37,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:14:37,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:14:37,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:14:37,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:14:37,489 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:14:37,490 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:14:37,490 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:14:37,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:14:37,493 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:14:37,494 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:14:37,495 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:14:37,496 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:14:37,498 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:14:37,499 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:14:37,500 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:14:37,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:14:37,501 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:14:37,502 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:14:37,502 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:14:37,503 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:14:37,504 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:14:37,505 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 04:14:37,559 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:14:37,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:14:37,561 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:14:37,561 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:14:37,562 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:14:37,562 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:14:37,562 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 04:14:37,562 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:14:37,562 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:14:37,563 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 04:14:37,570 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 04:14:37,570 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:14:37,570 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 04:14:37,570 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 04:14:37,571 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 04:14:37,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:14:37,572 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 04:14:37,572 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 04:14:37,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 04:14:37,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:14:37,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:14:37,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:14:37,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:14:37,573 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:14:37,573 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 04:14:37,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:14:37,574 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:14:37,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:14:37,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:14:37,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:14:37,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:14:37,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:14:37,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:14:37,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:14:37,576 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 04:14:37,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 04:14:37,576 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:14:37,576 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:14:37,576 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:14:37,577 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_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 142260caf5fd1ea490afd9487f6477f957eb3da92ef33653d5fac0daa32a8ec1 [2021-11-03 04:14:37,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:14:37,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:14:37,904 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:14:37,905 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:14:37,906 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:14:37,907 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/float-newlib/double_req_bl_0870a.c [2021-11-03 04:14:37,982 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/data/bbbcac5f5/659ab7f2c6f74a25bd462fecfad62713/FLAGc5caf4706 [2021-11-03 04:14:38,524 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:14:38,525 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/sv-benchmarks/c/float-newlib/double_req_bl_0870a.c [2021-11-03 04:14:38,538 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/data/bbbcac5f5/659ab7f2c6f74a25bd462fecfad62713/FLAGc5caf4706 [2021-11-03 04:14:38,829 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/data/bbbcac5f5/659ab7f2c6f74a25bd462fecfad62713 [2021-11-03 04:14:38,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:14:38,837 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:14:38,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:14:38,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:14:38,846 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:14:38,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:14:38" (1/1) ... [2021-11-03 04:14:38,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f1c8383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:14:38, skipping insertion in model container [2021-11-03 04:14:38,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:14:38" (1/1) ... [2021-11-03 04:14:38,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:14:38,920 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:14:39,179 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1691) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$41(StandardFunctionHandler.java:365) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2000) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1068) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1606) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1068) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1452) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3247) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2321) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:594) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-03 04:14:39,183 INFO L168 Benchmark]: Toolchain (without parser) took 345.90 ms. Allocated memory is still 94.4 MB. Free memory was 71.3 MB in the beginning and 68.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-03 04:14:39,184 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 94.4 MB. Free memory is still 67.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:14:39,185 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.88 ms. Allocated memory is still 94.4 MB. Free memory was 71.1 MB in the beginning and 68.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-03 04:14:39,186 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 94.4 MB. Free memory is still 67.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 340.88 ms. Allocated memory is still 94.4 MB. Free memory was 71.1 MB in the beginning and 68.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0870a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH --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 142260caf5fd1ea490afd9487f6477f957eb3da92ef33653d5fac0daa32a8ec1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 04:14:41,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 04:14:41,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 04:14:41,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 04:14:41,369 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 04:14:41,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 04:14:41,374 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 04:14:41,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 04:14:41,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 04:14:41,390 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 04:14:41,391 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 04:14:41,393 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 04:14:41,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 04:14:41,396 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 04:14:41,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 04:14:41,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 04:14:41,404 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 04:14:41,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 04:14:41,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 04:14:41,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 04:14:41,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 04:14:41,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 04:14:41,420 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 04:14:41,423 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 04:14:41,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 04:14:41,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 04:14:41,433 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 04:14:41,435 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 04:14:41,435 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 04:14:41,436 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 04:14:41,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 04:14:41,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 04:14:41,440 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 04:14:41,441 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 04:14:41,442 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 04:14:41,442 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 04:14:41,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 04:14:41,444 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 04:14:41,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 04:14:41,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 04:14:41,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 04:14:41,447 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-03 04:14:41,489 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 04:14:41,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 04:14:41,491 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 04:14:41,491 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 04:14:41,491 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 04:14:41,492 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 04:14:41,492 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 04:14:41,492 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 04:14:41,492 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 04:14:41,494 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 04:14:41,495 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 04:14:41,495 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 04:14:41,495 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 04:14:41,495 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 04:14:41,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 04:14:41,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 04:14:41,496 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 04:14:41,496 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 04:14:41,497 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 04:14:41,497 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 04:14:41,497 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 04:14:41,497 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 04:14:41,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 04:14:41,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 04:14:41,498 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 04:14:41,498 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 04:14:41,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:14:41,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 04:14:41,499 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 04:14:41,499 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 04:14:41,499 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 04:14:41,500 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 04:14:41,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 04:14:41,500 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 04:14:41,501 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 04:14:41,501 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_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 142260caf5fd1ea490afd9487f6477f957eb3da92ef33653d5fac0daa32a8ec1 [2021-11-03 04:14:41,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 04:14:41,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 04:14:41,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 04:14:41,891 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 04:14:41,892 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 04:14:41,892 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/float-newlib/double_req_bl_0870a.c [2021-11-03 04:14:41,954 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/data/493ab881e/8f745d8ab12e406ba4c5b68e3982ff23/FLAGd51a1ccba [2021-11-03 04:14:42,477 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 04:14:42,479 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/sv-benchmarks/c/float-newlib/double_req_bl_0870a.c [2021-11-03 04:14:42,489 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/data/493ab881e/8f745d8ab12e406ba4c5b68e3982ff23/FLAGd51a1ccba [2021-11-03 04:14:42,796 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/data/493ab881e/8f745d8ab12e406ba4c5b68e3982ff23 [2021-11-03 04:14:42,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 04:14:42,799 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 04:14:42,801 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 04:14:42,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 04:14:42,804 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 04:14:42,805 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:14:42" (1/1) ... [2021-11-03 04:14:42,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18ab1f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:14:42, skipping insertion in model container [2021-11-03 04:14:42,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:14:42" (1/1) ... [2021-11-03 04:14:42,813 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 04:14:42,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 04:14:43,191 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_95017e75-4251-4858-906b-48ca182cdc93/sv-benchmarks/c/float-newlib/double_req_bl_0870a.c[14174,14187] [2021-11-03 04:14:43,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:14:43,251 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 04:14:43,384 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_95017e75-4251-4858-906b-48ca182cdc93/sv-benchmarks/c/float-newlib/double_req_bl_0870a.c[14174,14187] [2021-11-03 04:14:43,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 04:14:43,424 INFO L208 MainTranslator]: Completed translation [2021-11-03 04:14:43,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:14:43 WrapperNode [2021-11-03 04:14:43,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 04:14:43,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 04:14:43,427 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 04:14:43,427 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 04:14:43,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:14:43" (1/1) ... [2021-11-03 04:14:43,465 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:14:43" (1/1) ... [2021-11-03 04:14:43,544 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 04:14:43,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 04:14:43,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 04:14:43,547 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 04:14:43,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:14:43" (1/1) ... [2021-11-03 04:14:43,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:14:43" (1/1) ... [2021-11-03 04:14:43,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:14:43" (1/1) ... [2021-11-03 04:14:43,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:14:43" (1/1) ... [2021-11-03 04:14:43,622 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:14:43" (1/1) ... [2021-11-03 04:14:43,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:14:43" (1/1) ... [2021-11-03 04:14:43,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:14:43" (1/1) ... [2021-11-03 04:14:43,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 04:14:43,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 04:14:43,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 04:14:43,653 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 04:14:43,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:14:43" (1/1) ... [2021-11-03 04:14:43,659 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 04:14:43,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 04:14:43,680 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 04:14:43,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 04:14:43,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-03 04:14:43,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-11-03 04:14:43,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 04:14:43,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 04:14:43,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-11-03 04:14:43,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-03 04:14:43,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 04:14:43,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 04:14:43,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-03 04:14:43,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 04:15:40,854 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 04:15:40,855 INFO L299 CfgBuilder]: Removed 90 assume(true) statements. [2021-11-03 04:15:40,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:15:40 BoogieIcfgContainer [2021-11-03 04:15:40,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 04:15:40,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 04:15:40,861 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 04:15:40,864 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 04:15:40,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:14:42" (1/3) ... [2021-11-03 04:15:40,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3988172e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:15:40, skipping insertion in model container [2021-11-03 04:15:40,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:14:43" (2/3) ... [2021-11-03 04:15:40,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3988172e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:15:40, skipping insertion in model container [2021-11-03 04:15:40,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:15:40" (3/3) ... [2021-11-03 04:15:40,869 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0870a.c [2021-11-03 04:15:40,874 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 04:15:40,875 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 04:15:40,948 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 04:15:40,954 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 [2021-11-03 04:15:40,955 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 04:15:40,979 INFO L276 IsEmpty]: Start isEmpty. Operand has 213 states, 211 states have (on average 1.7203791469194314) internal successors, (363), 212 states have internal predecessors, (363), 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) [2021-11-03 04:15:40,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-03 04:15:40,985 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:15:40,985 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:15:40,986 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:15:40,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:15:40,993 INFO L85 PathProgramCache]: Analyzing trace with hash 484704243, now seen corresponding path program 1 times [2021-11-03 04:15:41,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:15:41,007 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [182151840] [2021-11-03 04:15:41,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:15:41,009 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:15:41,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:15:41,012 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:15:41,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 04:15:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:15:41,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-03 04:15:41,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:15:41,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:15:41,743 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:15:41,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:15:41,986 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:15:41,986 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [182151840] [2021-11-03 04:15:41,987 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [182151840] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:15:41,987 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:15:41,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-03 04:15:41,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868456551] [2021-11-03 04:15:41,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 04:15:41,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:15:42,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 04:15:42,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 04:15:42,032 INFO L87 Difference]: Start difference. First operand has 213 states, 211 states have (on average 1.7203791469194314) internal successors, (363), 212 states have internal predecessors, (363), 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 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-11-03 04:15:42,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:15:42,072 INFO L93 Difference]: Finished difference Result 423 states and 722 transitions. [2021-11-03 04:15:42,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 04:15:42,074 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2021-11-03 04:15:42,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:15:42,098 INFO L225 Difference]: With dead ends: 423 [2021-11-03 04:15:42,100 INFO L226 Difference]: Without dead ends: 209 [2021-11-03 04:15:42,106 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 04:15:42,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2021-11-03 04:15:42,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2021-11-03 04:15:42,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 208 states have (on average 1.3798076923076923) internal successors, (287), 208 states have internal predecessors, (287), 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) [2021-11-03 04:15:42,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 287 transitions. [2021-11-03 04:15:42,164 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 287 transitions. Word has length 11 [2021-11-03 04:15:42,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:15:42,165 INFO L470 AbstractCegarLoop]: Abstraction has 209 states and 287 transitions. [2021-11-03 04:15:42,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-11-03 04:15:42,166 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 287 transitions. [2021-11-03 04:15:42,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-03 04:15:42,167 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:15:42,167 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:15:42,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 04:15:42,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:15:42,371 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:15:42,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:15:42,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1071808080, now seen corresponding path program 1 times [2021-11-03 04:15:42,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:15:42,373 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1184155270] [2021-11-03 04:15:42,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:15:42,373 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:15:42,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:15:42,377 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:15:42,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 04:15:42,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:15:42,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-03 04:15:42,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:15:44,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:15:44,727 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 04:15:48,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:15:48,922 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:15:48,922 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1184155270] [2021-11-03 04:15:48,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1184155270] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:15:48,922 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:15:48,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-11-03 04:15:48,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099566771] [2021-11-03 04:15:48,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-03 04:15:48,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:15:48,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-03 04:15:48,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-03 04:15:48,926 INFO L87 Difference]: Start difference. First operand 209 states and 287 transitions. Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 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) [2021-11-03 04:16:09,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:16:09,363 INFO L93 Difference]: Finished difference Result 346 states and 469 transitions. [2021-11-03 04:16:09,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 04:16:09,481 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 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 13 [2021-11-03 04:16:09,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:16:09,483 INFO L225 Difference]: With dead ends: 346 [2021-11-03 04:16:09,483 INFO L226 Difference]: Without dead ends: 150 [2021-11-03 04:16:09,486 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-11-03 04:16:09,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2021-11-03 04:16:09,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 138. [2021-11-03 04:16:09,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 137 states have (on average 1.3065693430656935) internal successors, (179), 137 states have internal predecessors, (179), 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) [2021-11-03 04:16:09,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 179 transitions. [2021-11-03 04:16:09,515 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 179 transitions. Word has length 13 [2021-11-03 04:16:09,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:16:09,516 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 179 transitions. [2021-11-03 04:16:09,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 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) [2021-11-03 04:16:09,517 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 179 transitions. [2021-11-03 04:16:09,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-03 04:16:09,519 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:16:09,519 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:16:09,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-03 04:16:09,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:16:09,720 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:16:09,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:16:09,721 INFO L85 PathProgramCache]: Analyzing trace with hash 754673845, now seen corresponding path program 1 times [2021-11-03 04:16:09,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:16:09,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [740482045] [2021-11-03 04:16:09,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:16:09,722 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:16:09,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:16:09,723 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:16:09,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 04:16:10,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-03 04:16:10,255 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-03 04:16:10,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-03 04:16:10,957 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-03 04:16:10,957 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-03 04:16:10,975 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 04:16:11,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-03 04:16:11,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:16:11,190 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-03 04:16:11,192 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-03 04:16:11,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 04:16:11 BoogieIcfgContainer [2021-11-03 04:16:11,317 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-03 04:16:11,318 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-03 04:16:11,318 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-03 04:16:11,318 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-03 04:16:11,319 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:15:40" (3/4) ... [2021-11-03 04:16:11,328 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-03 04:16:11,452 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/witness.graphml [2021-11-03 04:16:11,453 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-03 04:16:11,454 INFO L168 Benchmark]: Toolchain (without parser) took 88654.20 ms. Allocated memory was 69.2 MB in the beginning and 90.2 MB in the end (delta: 21.0 MB). Free memory was 47.7 MB in the beginning and 63.5 MB in the end (delta: -15.8 MB). Peak memory consumption was 38.1 MB. Max. memory is 16.1 GB. [2021-11-03 04:16:11,455 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 69.2 MB. Free memory is still 49.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 04:16:11,455 INFO L168 Benchmark]: CACSL2BoogieTranslator took 624.55 ms. Allocated memory is still 69.2 MB. Free memory was 47.5 MB in the beginning and 42.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-11-03 04:16:11,455 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.01 ms. Allocated memory is still 69.2 MB. Free memory was 42.6 MB in the beginning and 37.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-03 04:16:11,456 INFO L168 Benchmark]: Boogie Preprocessor took 104.49 ms. Allocated memory is still 69.2 MB. Free memory was 37.7 MB in the beginning and 32.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-03 04:16:11,456 INFO L168 Benchmark]: RCFGBuilder took 57206.37 ms. Allocated memory was 69.2 MB in the beginning and 90.2 MB in the end (delta: 21.0 MB). Free memory was 32.7 MB in the beginning and 47.0 MB in the end (delta: -14.3 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. [2021-11-03 04:16:11,457 INFO L168 Benchmark]: TraceAbstraction took 30456.71 ms. Allocated memory is still 90.2 MB. Free memory was 46.5 MB in the beginning and 42.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. [2021-11-03 04:16:11,457 INFO L168 Benchmark]: Witness Printer took 135.05 ms. Allocated memory is still 90.2 MB. Free memory was 42.6 MB in the beginning and 63.5 MB in the end (delta: -21.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.1 GB. [2021-11-03 04:16:11,459 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 69.2 MB. Free memory is still 49.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 624.55 ms. Allocated memory is still 69.2 MB. Free memory was 47.5 MB in the beginning and 42.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 119.01 ms. Allocated memory is still 69.2 MB. Free memory was 42.6 MB in the beginning and 37.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 104.49 ms. Allocated memory is still 69.2 MB. Free memory was 37.7 MB in the beginning and 32.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 57206.37 ms. Allocated memory was 69.2 MB in the beginning and 90.2 MB in the end (delta: 21.0 MB). Free memory was 32.7 MB in the beginning and 47.0 MB in the end (delta: -14.3 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 30456.71 ms. Allocated memory is still 90.2 MB. Free memory was 46.5 MB in the beginning and 42.6 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. * Witness Printer took 135.05 ms. Allocated memory is still 90.2 MB. Free memory was 42.6 MB in the beginning and 63.5 MB in the end (delta: -21.0 MB). Peak memory consumption was 11.0 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 - CounterExampleResult [Line: 585]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L40-L42] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L95] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L222-L261] static const double bp_pow[] = { 1.0, 1.5, }, dp_h_pow[] = { 0.0, 5.84962487220764160156e-01, }, dp_l_pow[] = { 0.0, 1.35003920212974897128e-08, }, zero_pow = 0.0, one_pow = 1.0, two_pow = 2.0, two53_pow = 9007199254740992.0, huge_pow = 1.0e300, tiny_pow = 1.0e-300, L1_pow = 5.99999999999994648725e-01, L2_pow = 4.28571428578550184252e-01, L3_pow = 3.33333329818377432918e-01, L4_pow = 2.72728123808534006489e-01, L5_pow = 2.30660745775561754067e-01, L6_pow = 2.06975017800338417784e-01, P1_pow = 1.66666666666666019037e-01, P2_pow = -2.77777777770155933842e-03, P3_pow = 6.61375632143793436117e-05, P4_pow = -1.65339022054652515390e-06, P5_pow = 4.13813679705723846039e-08, lg2_pow = 6.93147180559945286227e-01, lg2_h_pow = 6.93147182464599609375e-01, lg2_l_pow = -1.90465429995776804525e-09, ovt_pow = 8.0085662595372944372e-0017, cp_pow = 9.61796693925975554329e-01, cp_h_pow = 9.61796700954437255859e-01, cp_l_pow = -7.02846165095275826516e-09, ivln2_pow = 1.44269504088896338700e+00, ivln2_h_pow = 1.44269502162933349609e+00, ivln2_l_pow = 1.92596299112661746887e-08; VAL [bp_pow={14:0}, cp_h_pow=0.9617967009544373, cp_l_pow=-0.000000007028461650952758, cp_pow=0.9617966939259756, dp_h_pow={3:0}, dp_l_pow={-2147483637:0}, huge_pow=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, ivln2_h_pow=1.4426950216293335, ivln2_l_pow=0.000000019259629911266175, ivln2_pow=1.4426950408889634, L1_pow=0.5999999999999946, L2_pow=0.4285714285785502, L3_pow=0.33333332981837743, L4_pow=0.272728123808534, L5_pow=0.23066074577556175, L6_pow=0.20697501780033842, lg2_h_pow=0.6931471824645996, lg2_l_pow=-0.000000001904654299957768, lg2_pow=0.6931471805599453, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000000000000008008566259537294, P1_pow=0.16666666666666602, P2_pow=-0.0027777777777015593, P3_pow=0.00006613756321437934, P4_pow=-0.0000016533902205465252, P5_pow=0.000000041381367970572385, tiny_pow=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_scalbn=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, two53_pow=9007199254740992, two54_scalbn=18014398509481984, two_pow=2.0, twom54_scalbn=0.00000000000000005551115123125783, zero_pow=0.0] [L576] double x = __VERIFIER_nondet_double(); [L577] double y = 0.0 / 0.0; VAL [bp_pow={14:0}, cp_h_pow=0.9617967009544373, cp_l_pow=-0.000000007028461650952758, cp_pow=0.9617966939259756, dp_h_pow={3:0}, dp_l_pow={-2147483637:0}, huge_pow=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, ivln2_h_pow=1.4426950216293335, ivln2_l_pow=0.000000019259629911266175, ivln2_pow=1.4426950408889634, L1_pow=0.5999999999999946, L2_pow=0.4285714285785502, L3_pow=0.33333332981837743, L4_pow=0.272728123808534, L5_pow=0.23066074577556175, L6_pow=0.20697501780033842, lg2_h_pow=0.6931471824645996, lg2_l_pow=-0.000000001904654299957768, lg2_pow=0.6931471805599453, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000000000000008008566259537294, P1_pow=0.16666666666666602, P2_pow=-0.0027777777777015593, P3_pow=0.00006613756321437934, P4_pow=-0.0000016533902205465252, P5_pow=0.000000041381367970572385, tiny_pow=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_scalbn=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, two53_pow=9007199254740992, two54_scalbn=18014398509481984, two_pow=2.0, twom54_scalbn=0.00000000000000005551115123125783, zero_pow=0.0] [L579] COND TRUE x != 1.0 [L264] double z, ax, z_h, z_l, p_h, p_l; [L265] double y1, t1, t2, r, s, t, u, v, w; [L266] __int32_t i, j, k, yisint, n; [L267] __int32_t hx, hy, ix, iy; [L268] __uint32_t lx, ly; VAL [bp_pow={14:0}, cp_h_pow=0.9617967009544373, cp_l_pow=-0.000000007028461650952758, cp_pow=0.9617966939259756, dp_h_pow={3:0}, dp_l_pow={-2147483637:0}, huge_pow=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, ivln2_h_pow=1.4426950216293335, ivln2_l_pow=0.000000019259629911266175, ivln2_pow=1.4426950408889634, L1_pow=0.5999999999999946, L2_pow=0.4285714285785502, L3_pow=0.33333332981837743, L4_pow=0.272728123808534, L5_pow=0.23066074577556175, L6_pow=0.20697501780033842, lg2_h_pow=0.6931471824645996, lg2_l_pow=-0.000000001904654299957768, lg2_pow=0.6931471805599453, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000000000000008008566259537294, P1_pow=0.16666666666666602, P2_pow=-0.0027777777777015593, P3_pow=0.00006613756321437934, P4_pow=-0.0000016533902205465252, P5_pow=0.000000041381367970572385, tiny_pow=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_scalbn=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, two53_pow=9007199254740992, two54_scalbn=18014398509481984, two_pow=2.0, twom54_scalbn=0.00000000000000005551115123125783, zero_pow=0.0] [L271] ieee_double_shape_type ew_u; [L272] ew_u.value = (x) [L273] EXPR ew_u.parts.msw [L273] (hx) = ew_u.parts.msw [L274] EXPR ew_u.parts.lsw [L274] (lx) = ew_u.parts.lsw [L277] ieee_double_shape_type ew_u; [L278] ew_u.value = (y) [L279] EXPR ew_u.parts.msw [L279] (hy) = ew_u.parts.msw [L280] EXPR ew_u.parts.lsw [L280] (ly) = ew_u.parts.lsw [L282] ix = hx & 0x7fffffff [L283] iy = hy & 0x7fffffff VAL [bp_pow={14:0}, cp_h_pow=0.9617967009544373, cp_l_pow=-0.000000007028461650952758, cp_pow=0.9617966939259756, dp_h_pow={3:0}, dp_l_pow={-2147483637:0}, huge_pow=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, ivln2_h_pow=1.4426950216293335, ivln2_l_pow=0.000000019259629911266175, ivln2_pow=1.4426950408889634, L1_pow=0.5999999999999946, L2_pow=0.4285714285785502, L3_pow=0.33333332981837743, L4_pow=0.272728123808534, L5_pow=0.23066074577556175, L6_pow=0.20697501780033842, lg2_h_pow=0.6931471824645996, lg2_l_pow=-0.000000001904654299957768, lg2_pow=0.6931471805599453, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000000000000008008566259537294, P1_pow=0.16666666666666602, P2_pow=-0.0027777777777015593, P3_pow=0.00006613756321437934, P4_pow=-0.0000016533902205465252, P5_pow=0.000000041381367970572385, tiny_pow=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_scalbn=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, two53_pow=9007199254740992, two54_scalbn=18014398509481984, two_pow=2.0, twom54_scalbn=0.00000000000000005551115123125783, zero_pow=0.0] [L285] COND FALSE !((iy | ly) == 0) VAL [bp_pow={14:0}, cp_h_pow=0.9617967009544373, cp_l_pow=-0.000000007028461650952758, cp_pow=0.9617966939259756, dp_h_pow={3:0}, dp_l_pow={-2147483637:0}, huge_pow=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, ivln2_h_pow=1.4426950216293335, ivln2_l_pow=0.000000019259629911266175, ivln2_pow=1.4426950408889634, L1_pow=0.5999999999999946, L2_pow=0.4285714285785502, L3_pow=0.33333332981837743, L4_pow=0.272728123808534, L5_pow=0.23066074577556175, L6_pow=0.20697501780033842, lg2_h_pow=0.6931471824645996, lg2_l_pow=-0.000000001904654299957768, lg2_pow=0.6931471805599453, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000000000000008008566259537294, P1_pow=0.16666666666666602, P2_pow=-0.0027777777777015593, P3_pow=0.00006613756321437934, P4_pow=-0.0000016533902205465252, P5_pow=0.000000041381367970572385, tiny_pow=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_scalbn=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, two53_pow=9007199254740992, two54_scalbn=18014398509481984, two_pow=2.0, twom54_scalbn=0.00000000000000005551115123125783, zero_pow=0.0] [L288-L289] COND TRUE ix > 0x7ff00000 || ((ix == 0x7ff00000) && (lx != 0)) || iy > 0x7ff00000 || ((iy == 0x7ff00000) && (ly != 0)) VAL [bp_pow={14:0}, cp_h_pow=0.9617967009544373, cp_l_pow=-0.000000007028461650952758, cp_pow=0.9617966939259756, dp_h_pow={3:0}, dp_l_pow={-2147483637:0}, huge_pow=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, ivln2_h_pow=1.4426950216293335, ivln2_l_pow=0.000000019259629911266175, ivln2_pow=1.4426950408889634, L1_pow=0.5999999999999946, L2_pow=0.4285714285785502, L3_pow=0.33333332981837743, L4_pow=0.272728123808534, L5_pow=0.23066074577556175, L6_pow=0.20697501780033842, lg2_h_pow=0.6931471824645996, lg2_l_pow=-0.000000001904654299957768, lg2_pow=0.6931471805599453, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000000000000008008566259537294, P1_pow=0.16666666666666602, P2_pow=-0.0027777777777015593, P3_pow=0.00006613756321437934, P4_pow=-0.0000016533902205465252, P5_pow=0.000000041381367970572385, tiny_pow=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_scalbn=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, two53_pow=9007199254740992, two54_scalbn=18014398509481984, two_pow=2.0, twom54_scalbn=0.00000000000000005551115123125783, zero_pow=0.0] [L290] COND TRUE ((ix - 0x3ff00000) | lx) == 0 [L291] return one_pow; VAL [bp_pow={14:0}, cp_h_pow=0.9617967009544373, cp_l_pow=-0.000000007028461650952758, cp_pow=0.9617966939259756, dp_h_pow={3:0}, dp_l_pow={-2147483637:0}, huge_pow=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, ivln2_h_pow=1.4426950216293335, ivln2_l_pow=0.000000019259629911266175, ivln2_pow=1.4426950408889634, L1_pow=0.5999999999999946, L2_pow=0.4285714285785502, L3_pow=0.33333332981837743, L4_pow=0.272728123808534, L5_pow=0.23066074577556175, L6_pow=0.20697501780033842, lg2_h_pow=0.6931471824645996, lg2_l_pow=-0.000000001904654299957768, lg2_pow=0.6931471805599453, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000000000000008008566259537294, P1_pow=0.16666666666666602, P2_pow=-0.0027777777777015593, P3_pow=0.00006613756321437934, P4_pow=-0.0000016533902205465252, P5_pow=0.000000041381367970572385, tiny_pow=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_scalbn=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, two53_pow=9007199254740992, two54_scalbn=18014398509481984, two_pow=2.0, twom54_scalbn=0.00000000000000005551115123125783, zero_pow=0.0] [L581] double res = __ieee754_pow(x, y); [L565] return x != x; VAL [bp_pow={14:0}, cp_h_pow=0.9617967009544373, cp_l_pow=-0.000000007028461650952758, cp_pow=0.9617966939259756, dp_h_pow={3:0}, dp_l_pow={-2147483637:0}, huge_pow=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, ivln2_h_pow=1.4426950216293335, ivln2_l_pow=0.000000019259629911266175, ivln2_pow=1.4426950408889634, L1_pow=0.5999999999999946, L2_pow=0.4285714285785502, L3_pow=0.33333332981837743, L4_pow=0.272728123808534, L5_pow=0.23066074577556175, L6_pow=0.20697501780033842, lg2_h_pow=0.6931471824645996, lg2_l_pow=-0.000000001904654299957768, lg2_pow=0.6931471805599453, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000000000000008008566259537294, P1_pow=0.16666666666666602, P2_pow=-0.0027777777777015593, P3_pow=0.00006613756321437934, P4_pow=-0.0000016533902205465252, P5_pow=0.000000041381367970572385, tiny_pow=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_scalbn=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, two53_pow=9007199254740992, two54_scalbn=18014398509481984, two_pow=2.0, twom54_scalbn=0.00000000000000005551115123125783, zero_pow=0.0] [L584] COND TRUE !isnan_double(res) [L585] reach_error() VAL [bp_pow={14:0}, cp_h_pow=0.9617967009544373, cp_l_pow=-0.000000007028461650952758, cp_pow=0.9617966939259756, dp_h_pow={3:0}, dp_l_pow={-2147483637:0}, huge_pow=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, ivln2_h_pow=1.4426950216293335, ivln2_l_pow=0.000000019259629911266175, ivln2_pow=1.4426950408889634, L1_pow=0.5999999999999946, L2_pow=0.4285714285785502, L3_pow=0.33333332981837743, L4_pow=0.272728123808534, L5_pow=0.23066074577556175, L6_pow=0.20697501780033842, lg2_h_pow=0.6931471824645996, lg2_l_pow=-0.000000001904654299957768, lg2_pow=0.6931471805599453, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000000000000008008566259537294, P1_pow=0.16666666666666602, P2_pow=-0.0027777777777015593, P3_pow=0.00006613756321437934, P4_pow=-0.0000016533902205465252, P5_pow=0.000000041381367970572385, tiny_pow=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_scalbn=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, tiny_sqrt=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, two53_pow=9007199254740992, two54_scalbn=18014398509481984, two_pow=2.0, twom54_scalbn=0.00000000000000005551115123125783, zero_pow=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 213 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 30.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 20.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 450 SDtfs, 481 SDslu, 629 SDs, 0 SdLazy, 29 SolverSat, 6 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 18.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=213occurred in iteration=0, InterpolantAutomatonStates: 8, 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, 2 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 6.8s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 44 ConstructedInterpolants, 14 QuantifiedInterpolants, 223 SizeOfPredicates, 10 NumberOfNonLiveVariables, 228 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-11-03 04:16:11,671 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-03 04:16:11,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95017e75-4251-4858-906b-48ca182cdc93/bin/utaipan-aC7eJsxGYH/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE