./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/islessequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e91087-2bce-44a4-a578-ea5d32a3c426/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e91087-2bce-44a4-a578-ea5d32a3c426/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e91087-2bce-44a4-a578-ea5d32a3c426/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e91087-2bce-44a4-a578-ea5d32a3c426/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/islessequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e91087-2bce-44a4-a578-ea5d32a3c426/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e91087-2bce-44a4-a578-ea5d32a3c426/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --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 744af57edc99b4b773c19eb496219aa238fc351f7efa0e308f2659a2671db726 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 01:00:14,289 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 01:00:14,415 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e91087-2bce-44a4-a578-ea5d32a3c426/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 01:00:14,426 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 01:00:14,427 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 01:00:14,469 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 01:00:14,470 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 01:00:14,470 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 01:00:14,474 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 01:00:14,479 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 01:00:14,480 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 01:00:14,481 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 01:00:14,481 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 01:00:14,483 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 01:00:14,484 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 01:00:14,484 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 01:00:14,485 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 01:00:14,485 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 01:00:14,486 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 01:00:14,487 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 01:00:14,487 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 01:00:14,488 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 01:00:14,489 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 01:00:14,489 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 01:00:14,490 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 01:00:14,490 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 01:00:14,491 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 01:00:14,491 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 01:00:14,492 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 01:00:14,492 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 01:00:14,494 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 01:00:14,494 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 01:00:14,494 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 01:00:14,495 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 01:00:14,495 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 01:00:14,495 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 01:00:14,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:00:14,496 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 01:00:14,496 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 01:00:14,497 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 01:00:14,497 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 01:00:14,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 01:00:14,498 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 01:00:14,498 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 01:00:14,499 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 01:00:14,499 INFO L153 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_18e91087-2bce-44a4-a578-ea5d32a3c426/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e91087-2bce-44a4-a578-ea5d32a3c426/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 744af57edc99b4b773c19eb496219aa238fc351f7efa0e308f2659a2671db726 [2023-11-12 01:00:14,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 01:00:14,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 01:00:14,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 01:00:14,848 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 01:00:14,849 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 01:00:14,850 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e91087-2bce-44a4-a578-ea5d32a3c426/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/floats-esbmc-regression/islessequal.i [2023-11-12 01:00:18,146 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:00:18,520 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:00:18,521 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e91087-2bce-44a4-a578-ea5d32a3c426/sv-benchmarks/c/floats-esbmc-regression/islessequal.i [2023-11-12 01:00:18,541 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e91087-2bce-44a4-a578-ea5d32a3c426/bin/utaipan-verify-NcY6lQBIFX/data/1e012a773/aaad03ab64b6456b8700e174e8a71360/FLAGa3b4697fd [2023-11-12 01:00:18,561 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e91087-2bce-44a4-a578-ea5d32a3c426/bin/utaipan-verify-NcY6lQBIFX/data/1e012a773/aaad03ab64b6456b8700e174e8a71360 [2023-11-12 01:00:18,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:00:18,568 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:00:18,572 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:00:18,572 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:00:18,577 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:00:18,578 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:00:18" (1/1) ... [2023-11-12 01:00:18,579 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b2305ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:18, skipping insertion in model container [2023-11-12 01:00:18,579 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:00:18" (1/1) ... [2023-11-12 01:00:18,656 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:00:19,156 WARN L240 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_18e91087-2bce-44a4-a578-ea5d32a3c426/sv-benchmarks/c/floats-esbmc-regression/islessequal.i[36286,36299] [2023-11-12 01:00:19,167 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:599) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:2233) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$63(StandardFunctionHandler.java:421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1472) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2467) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:305) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:178) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleFloatBuiltinBinaryComparison(StandardFunctionHandler.java:2300) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$69(StandardFunctionHandler.java:430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1472) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2467) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:305) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:178) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:662) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:533) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1478) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1423) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:222) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1084) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1069) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:383) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1499) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2409) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:608) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2023-11-12 01:00:19,174 INFO L158 Benchmark]: Toolchain (without parser) took 604.36ms. Allocated memory is still 182.5MB. Free memory was 142.9MB in the beginning and 130.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 01:00:19,175 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 125.8MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 01:00:19,176 INFO L158 Benchmark]: CACSL2BoogieTranslator took 600.32ms. Allocated memory is still 182.5MB. Free memory was 142.5MB in the beginning and 130.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 01:00:19,177 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 125.8MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 600.32ms. Allocated memory is still 182.5MB. Free memory was 142.5MB in the beginning and 130.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * 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:599) 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e91087-2bce-44a4-a578-ea5d32a3c426/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e91087-2bce-44a4-a578-ea5d32a3c426/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e91087-2bce-44a4-a578-ea5d32a3c426/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e91087-2bce-44a4-a578-ea5d32a3c426/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/islessequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e91087-2bce-44a4-a578-ea5d32a3c426/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e91087-2bce-44a4-a578-ea5d32a3c426/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --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 744af57edc99b4b773c19eb496219aa238fc351f7efa0e308f2659a2671db726 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 01:00:21,745 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 01:00:21,881 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e91087-2bce-44a4-a578-ea5d32a3c426/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 01:00:21,890 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 01:00:21,891 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 01:00:21,938 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 01:00:21,939 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 01:00:21,940 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 01:00:21,941 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 01:00:21,946 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 01:00:21,946 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 01:00:21,947 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 01:00:21,947 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 01:00:21,949 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 01:00:21,950 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 01:00:21,950 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 01:00:21,951 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 01:00:21,952 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 01:00:21,953 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 01:00:21,954 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 01:00:21,954 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 01:00:21,955 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 01:00:21,955 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 01:00:21,956 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 01:00:21,956 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 01:00:21,957 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 01:00:21,957 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 01:00:21,957 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 01:00:21,958 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 01:00:21,958 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 01:00:21,960 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 01:00:21,960 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 01:00:21,960 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 01:00:21,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:00:21,961 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 01:00:21,962 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 01:00:21,962 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 01:00:21,962 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 01:00:21,963 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 01:00:21,964 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 01:00:21,964 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 01:00:21,964 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 01:00:21,965 INFO L153 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_18e91087-2bce-44a4-a578-ea5d32a3c426/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e91087-2bce-44a4-a578-ea5d32a3c426/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 744af57edc99b4b773c19eb496219aa238fc351f7efa0e308f2659a2671db726 [2023-11-12 01:00:22,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 01:00:22,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 01:00:22,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 01:00:22,437 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 01:00:22,438 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 01:00:22,439 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e91087-2bce-44a4-a578-ea5d32a3c426/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/floats-esbmc-regression/islessequal.i [2023-11-12 01:00:25,811 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:00:26,214 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:00:26,214 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e91087-2bce-44a4-a578-ea5d32a3c426/sv-benchmarks/c/floats-esbmc-regression/islessequal.i [2023-11-12 01:00:26,231 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e91087-2bce-44a4-a578-ea5d32a3c426/bin/utaipan-verify-NcY6lQBIFX/data/e8ea08119/ff114c760fdb4fb78c45d350b23c4a6b/FLAG85be3cfae [2023-11-12 01:00:26,247 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e91087-2bce-44a4-a578-ea5d32a3c426/bin/utaipan-verify-NcY6lQBIFX/data/e8ea08119/ff114c760fdb4fb78c45d350b23c4a6b [2023-11-12 01:00:26,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:00:26,252 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:00:26,253 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:00:26,253 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:00:26,259 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:00:26,260 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:00:26" (1/1) ... [2023-11-12 01:00:26,261 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7029e69f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:26, skipping insertion in model container [2023-11-12 01:00:26,261 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:00:26" (1/1) ... [2023-11-12 01:00:26,315 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:00:27,027 WARN L240 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_18e91087-2bce-44a4-a578-ea5d32a3c426/sv-benchmarks/c/floats-esbmc-regression/islessequal.i[36286,36299] [2023-11-12 01:00:27,038 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:00:27,053 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 01:00:27,095 WARN L240 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_18e91087-2bce-44a4-a578-ea5d32a3c426/sv-benchmarks/c/floats-esbmc-regression/islessequal.i[36286,36299] [2023-11-12 01:00:27,099 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:00:27,310 INFO L206 MainTranslator]: Completed translation [2023-11-12 01:00:27,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:27 WrapperNode [2023-11-12 01:00:27,315 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 01:00:27,316 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 01:00:27,316 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 01:00:27,316 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 01:00:27,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:27" (1/1) ... [2023-11-12 01:00:27,362 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:27" (1/1) ... [2023-11-12 01:00:27,393 INFO L138 Inliner]: procedures = 448, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2023-11-12 01:00:27,394 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 01:00:27,394 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 01:00:27,395 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 01:00:27,395 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 01:00:27,403 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:27" (1/1) ... [2023-11-12 01:00:27,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:27" (1/1) ... [2023-11-12 01:00:27,408 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:27" (1/1) ... [2023-11-12 01:00:27,409 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:27" (1/1) ... [2023-11-12 01:00:27,426 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:27" (1/1) ... [2023-11-12 01:00:27,428 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:27" (1/1) ... [2023-11-12 01:00:27,430 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:27" (1/1) ... [2023-11-12 01:00:27,432 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:27" (1/1) ... [2023-11-12 01:00:27,440 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 01:00:27,441 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 01:00:27,441 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 01:00:27,441 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 01:00:27,442 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:27" (1/1) ... [2023-11-12 01:00:27,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:00:27,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e91087-2bce-44a4-a578-ea5d32a3c426/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:00:27,477 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e91087-2bce-44a4-a578-ea5d32a3c426/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 01:00:27,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e91087-2bce-44a4-a578-ea5d32a3c426/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 01:00:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 01:00:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-12 01:00:27,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-12 01:00:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 01:00:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 01:00:27,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 01:00:27,650 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 01:00:27,652 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 01:00:27,793 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 01:00:27,801 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 01:00:27,802 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 01:00:27,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:00:27 BoogieIcfgContainer [2023-11-12 01:00:27,805 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 01:00:27,808 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 01:00:27,808 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 01:00:27,811 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 01:00:27,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:00:26" (1/3) ... [2023-11-12 01:00:27,813 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ec267ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:00:27, skipping insertion in model container [2023-11-12 01:00:27,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:27" (2/3) ... [2023-11-12 01:00:27,815 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ec267ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:00:27, skipping insertion in model container [2023-11-12 01:00:27,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:00:27" (3/3) ... [2023-11-12 01:00:27,817 INFO L112 eAbstractionObserver]: Analyzing ICFG islessequal.i [2023-11-12 01:00:27,837 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 01:00:27,838 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 01:00:27,900 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 01:00:27,910 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@a64de6e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 01:00:27,911 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 01:00:27,916 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-12 01:00:27,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-12 01:00:27,925 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:00:27,925 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-12 01:00:27,928 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:00:27,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:00:27,936 INFO L85 PathProgramCache]: Analyzing trace with hash 890047930, now seen corresponding path program 1 times [2023-11-12 01:00:27,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 01:00:27,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [226688831] [2023-11-12 01:00:27,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:00:27,953 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 01:00:27,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e91087-2bce-44a4-a578-ea5d32a3c426/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 01:00:27,960 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e91087-2bce-44a4-a578-ea5d32a3c426/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-12 01:00:28,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e91087-2bce-44a4-a578-ea5d32a3c426/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-12 01:00:28,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:00:28,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 01:00:28,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 01:00:28,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 01:00:28,195 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 01:00:28,196 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 01:00:28,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [226688831] [2023-11-12 01:00:28,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [226688831] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:00:28,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:00:28,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 01:00:28,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997469680] [2023-11-12 01:00:28,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:00:28,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 01:00:28,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 01:00:28,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 01:00:28,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 01:00:28,240 INFO L87 Difference]: Start difference. First operand has 17 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 01:00:28,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:00:28,318 INFO L93 Difference]: Finished difference Result 29 states and 41 transitions. [2023-11-12 01:00:28,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 01:00:28,321 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-12 01:00:28,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:00:28,327 INFO L225 Difference]: With dead ends: 29 [2023-11-12 01:00:28,327 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 01:00:28,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 01:00:28,334 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 5 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 01:00:28,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 26 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 01:00:28,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 01:00:28,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 01:00:28,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 01:00:28,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 01:00:28,359 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2023-11-12 01:00:28,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:00:28,359 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 01:00:28,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 01:00:28,360 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 01:00:28,360 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 01:00:28,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 01:00:28,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e91087-2bce-44a4-a578-ea5d32a3c426/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-12 01:00:28,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e91087-2bce-44a4-a578-ea5d32a3c426/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-12 01:00:28,571 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-12 01:00:28,585 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-12 01:00:28,585 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-12 01:00:28,585 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-12 01:00:28,586 INFO L899 garLoopResultBuilder]: For program point L886(line 886) no Hoare annotation was computed. [2023-11-12 01:00:28,586 INFO L902 garLoopResultBuilder]: At program point L885(line 885) the Hoare annotation is: true [2023-11-12 01:00:28,586 INFO L902 garLoopResultBuilder]: At program point L884(line 884) the Hoare annotation is: true [2023-11-12 01:00:28,586 INFO L902 garLoopResultBuilder]: At program point L883(line 883) the Hoare annotation is: true [2023-11-12 01:00:28,587 INFO L902 garLoopResultBuilder]: At program point L882(line 882) the Hoare annotation is: true [2023-11-12 01:00:28,587 INFO L902 garLoopResultBuilder]: At program point L882-1(line 882) the Hoare annotation is: true [2023-11-12 01:00:28,587 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-12 01:00:28,587 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 880 889) no Hoare annotation was computed. [2023-11-12 01:00:28,587 INFO L899 garLoopResultBuilder]: For program point L878(line 878) no Hoare annotation was computed. [2023-11-12 01:00:28,587 INFO L899 garLoopResultBuilder]: For program point L878-1(line 878) no Hoare annotation was computed. [2023-11-12 01:00:28,587 INFO L899 garLoopResultBuilder]: For program point L878-3(line 878) no Hoare annotation was computed. [2023-11-12 01:00:28,588 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(line 878) no Hoare annotation was computed. [2023-11-12 01:00:28,588 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 878) the Hoare annotation is: true [2023-11-12 01:00:28,588 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed. [2023-11-12 01:00:28,591 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 01:00:28,594 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 01:00:28,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 01:00:28 BoogieIcfgContainer [2023-11-12 01:00:28,600 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 01:00:28,601 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 01:00:28,601 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 01:00:28,601 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 01:00:28,602 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:00:27" (3/4) ... [2023-11-12 01:00:28,604 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 01:00:28,609 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-12 01:00:28,613 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-12 01:00:28,613 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-12 01:00:28,613 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-12 01:00:28,613 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 01:00:28,694 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e91087-2bce-44a4-a578-ea5d32a3c426/bin/utaipan-verify-NcY6lQBIFX/witness.graphml [2023-11-12 01:00:28,695 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e91087-2bce-44a4-a578-ea5d32a3c426/bin/utaipan-verify-NcY6lQBIFX/witness.yml [2023-11-12 01:00:28,695 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 01:00:28,696 INFO L158 Benchmark]: Toolchain (without parser) took 2444.42ms. Allocated memory is still 111.1MB. Free memory was 85.4MB in the beginning and 71.3MB in the end (delta: 14.1MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2023-11-12 01:00:28,696 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 75.5MB. Free memory is still 51.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 01:00:28,697 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1062.04ms. Allocated memory is still 111.1MB. Free memory was 85.4MB in the beginning and 73.0MB in the end (delta: 12.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-12 01:00:28,697 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.12ms. Allocated memory is still 111.1MB. Free memory was 73.0MB in the beginning and 70.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 01:00:28,698 INFO L158 Benchmark]: Boogie Preprocessor took 45.47ms. Allocated memory is still 111.1MB. Free memory was 70.3MB in the beginning and 68.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 01:00:28,698 INFO L158 Benchmark]: RCFGBuilder took 364.62ms. Allocated memory is still 111.1MB. Free memory was 68.9MB in the beginning and 59.9MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-12 01:00:28,699 INFO L158 Benchmark]: TraceAbstraction took 792.40ms. Allocated memory is still 111.1MB. Free memory was 58.9MB in the beginning and 75.5MB in the end (delta: -16.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 01:00:28,699 INFO L158 Benchmark]: Witness Printer took 94.22ms. Allocated memory is still 111.1MB. Free memory was 75.5MB in the beginning and 71.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 01:00:28,702 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 75.5MB. Free memory is still 51.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1062.04ms. Allocated memory is still 111.1MB. Free memory was 85.4MB in the beginning and 73.0MB in the end (delta: 12.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.12ms. Allocated memory is still 111.1MB. Free memory was 73.0MB in the beginning and 70.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.47ms. Allocated memory is still 111.1MB. Free memory was 70.3MB in the beginning and 68.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 364.62ms. Allocated memory is still 111.1MB. Free memory was 68.9MB in the beginning and 59.9MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 792.40ms. Allocated memory is still 111.1MB. Free memory was 58.9MB in the beginning and 75.5MB in the end (delta: -16.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 94.22ms. Allocated memory is still 111.1MB. Free memory was 75.5MB in the beginning and 71.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 878]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 11 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 14 PreInvPairs, 18 NumberOfFragments, 6 HoareAnnotationTreeSize, 14 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 2 NumberOfNonLiveVariables, 18 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-12 01:00:28,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18e91087-2bce-44a4-a578-ea5d32a3c426/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE