./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0872b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b 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_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0872b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0d34c6cc7037b323707b1dfff7ad62ce68e6b418a4401016bfea81cbd802316d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:12:04,255 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:12:04,374 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 23:12:04,379 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:12:04,385 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:12:04,429 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:12:04,430 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:12:04,431 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:12:04,431 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:12:04,432 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:12:04,433 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:12:04,434 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:12:04,434 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:12:04,435 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:12:04,435 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:12:04,436 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:12:04,437 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:12:04,437 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:12:04,438 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:12:04,438 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:12:04,439 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:12:04,439 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:12:04,440 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:12:04,440 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:12:04,441 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:12:04,441 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:12:04,442 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:12:04,442 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:12:04,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:12:04,443 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:12:04,444 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:12:04,444 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:12:04,445 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:12:04,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:12:04,445 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:12:04,445 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:12:04,446 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:12:04,446 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:12:04,446 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:12:04,446 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d34c6cc7037b323707b1dfff7ad62ce68e6b418a4401016bfea81cbd802316d [2023-11-06 23:12:04,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:12:04,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:12:04,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:12:04,777 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:12:04,777 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:12:04,779 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/float-newlib/float_req_bl_0872b.c [2023-11-06 23:12:07,843 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:12:08,091 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:12:08,092 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/sv-benchmarks/c/float-newlib/float_req_bl_0872b.c [2023-11-06 23:12:08,105 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/data/695aa3eb5/9fdb3c3ece5d43e98a2f7705a1f7b7ec/FLAGdc7d6df64 [2023-11-06 23:12:08,126 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/data/695aa3eb5/9fdb3c3ece5d43e98a2f7705a1f7b7ec [2023-11-06 23:12:08,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:12:08,137 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:12:08,139 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:12:08,139 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:12:08,145 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:12:08,146 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:12:08" (1/1) ... [2023-11-06 23:12:08,147 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@746dd4a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:08, skipping insertion in model container [2023-11-06 23:12:08,147 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:12:08" (1/1) ... [2023-11-06 23:12:08,206 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:12:08,451 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:2217) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$61(StandardFunctionHandler.java:419) 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.FunctionHandler.handleReturnStatement(FunctionHandler.java:564) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2082) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:195) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1689) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:231) 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.visit(CHandler.java:1666) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:231) 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) [2023-11-06 23:12:08,456 INFO L158 Benchmark]: Toolchain (without parser) took 318.67ms. Allocated memory is still 155.2MB. Free memory was 114.6MB in the beginning and 102.0MB in the end (delta: 12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 23:12:08,457 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 155.2MB. Free memory was 96.8MB in the beginning and 96.7MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:12:08,458 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.19ms. Allocated memory is still 155.2MB. Free memory was 114.6MB in the beginning and 102.0MB in the end (delta: 12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 23:12:08,459 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 155.2MB. Free memory was 96.8MB in the beginning and 96.7MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.19ms. Allocated memory is still 155.2MB. Free memory was 114.6MB in the beginning and 102.0MB in the end (delta: 12.6MB). Peak memory consumption was 10.5MB. 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_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0872b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0d34c6cc7037b323707b1dfff7ad62ce68e6b418a4401016bfea81cbd802316d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:12:10,992 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:12:11,082 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 23:12:11,088 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:12:11,089 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:12:11,120 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:12:11,121 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:12:11,122 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:12:11,123 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:12:11,123 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:12:11,124 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:12:11,125 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:12:11,125 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:12:11,126 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:12:11,127 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:12:11,127 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:12:11,128 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:12:11,128 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:12:11,129 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:12:11,130 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:12:11,130 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:12:11,131 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 23:12:11,132 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 23:12:11,132 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 23:12:11,133 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:12:11,133 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:12:11,134 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:12:11,134 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:12:11,135 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:12:11,135 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:12:11,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:12:11,136 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:12:11,137 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:12:11,137 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:12:11,137 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 23:12:11,138 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 23:12:11,138 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:12:11,138 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:12:11,139 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:12:11,139 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:12:11,139 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 23:12:11,140 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:12:11,140 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d34c6cc7037b323707b1dfff7ad62ce68e6b418a4401016bfea81cbd802316d [2023-11-06 23:12:11,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:12:11,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:12:11,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:12:11,584 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:12:11,585 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:12:11,586 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/float-newlib/float_req_bl_0872b.c [2023-11-06 23:12:14,805 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:12:15,160 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:12:15,165 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/sv-benchmarks/c/float-newlib/float_req_bl_0872b.c [2023-11-06 23:12:15,185 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/data/a4155d943/b33cc5a629e94627bdba9bb360b7ed5c/FLAGc89912f9e [2023-11-06 23:12:15,207 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/data/a4155d943/b33cc5a629e94627bdba9bb360b7ed5c [2023-11-06 23:12:15,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:12:15,222 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:12:15,228 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:12:15,229 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:12:15,236 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:12:15,237 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:12:15" (1/1) ... [2023-11-06 23:12:15,239 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71a85e64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:15, skipping insertion in model container [2023-11-06 23:12:15,239 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:12:15" (1/1) ... [2023-11-06 23:12:15,321 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:12:15,719 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_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/sv-benchmarks/c/float-newlib/float_req_bl_0872b.c[13800,13813] [2023-11-06 23:12:15,724 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:12:15,748 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:12:15,919 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_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/sv-benchmarks/c/float-newlib/float_req_bl_0872b.c[13800,13813] [2023-11-06 23:12:15,921 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:12:15,955 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:12:15,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:15 WrapperNode [2023-11-06 23:12:15,956 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:12:15,957 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:12:15,958 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:12:15,958 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:12:15,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:15" (1/1) ... [2023-11-06 23:12:16,027 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:15" (1/1) ... [2023-11-06 23:12:16,108 INFO L138 Inliner]: procedures = 25, calls = 187, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 754 [2023-11-06 23:12:16,109 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:12:16,110 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:12:16,110 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:12:16,111 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:12:16,121 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:15" (1/1) ... [2023-11-06 23:12:16,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:15" (1/1) ... [2023-11-06 23:12:16,142 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:15" (1/1) ... [2023-11-06 23:12:16,148 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:15" (1/1) ... [2023-11-06 23:12:16,205 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:15" (1/1) ... [2023-11-06 23:12:16,218 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:15" (1/1) ... [2023-11-06 23:12:16,223 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:15" (1/1) ... [2023-11-06 23:12:16,228 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:15" (1/1) ... [2023-11-06 23:12:16,236 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:12:16,237 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:12:16,238 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:12:16,238 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:12:16,239 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:15" (1/1) ... [2023-11-06 23:12:16,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:12:16,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:16,280 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:16,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:12:16,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:12:16,326 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2023-11-06 23:12:16,326 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2023-11-06 23:12:16,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-06 23:12:16,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 23:12:16,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 23:12:16,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-06 23:12:16,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 23:12:16,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:12:16,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:12:16,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-06 23:12:16,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 23:12:16,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 23:12:16,513 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:12:16,516 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:12:46,882 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:12:46,895 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:12:46,895 INFO L302 CfgBuilder]: Removed 70 assume(true) statements. [2023-11-06 23:12:46,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:12:46 BoogieIcfgContainer [2023-11-06 23:12:46,898 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:12:46,900 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:12:46,900 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:12:46,904 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:12:46,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:12:15" (1/3) ... [2023-11-06 23:12:46,906 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16052757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:12:46, skipping insertion in model container [2023-11-06 23:12:46,906 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:15" (2/3) ... [2023-11-06 23:12:46,908 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16052757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:12:46, skipping insertion in model container [2023-11-06 23:12:46,910 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:12:46" (3/3) ... [2023-11-06 23:12:46,912 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0872b.c [2023-11-06 23:12:46,934 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:12:46,934 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:12:47,016 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:12:47,024 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@51236756, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:12:47,024 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:12:47,033 INFO L276 IsEmpty]: Start isEmpty. Operand has 181 states, 175 states have (on average 1.737142857142857) internal successors, (304), 176 states have internal predecessors, (304), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 23:12:47,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-06 23:12:47,041 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:12:47,042 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:12:47,042 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:12:47,050 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:47,051 INFO L85 PathProgramCache]: Analyzing trace with hash -164892816, now seen corresponding path program 1 times [2023-11-06 23:12:47,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:12:47,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [561991156] [2023-11-06 23:12:47,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:47,069 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 [2023-11-06 23:12:47,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:12:47,070 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 23:12:47,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:12:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:48,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 23:12:48,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:12:48,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:48,284 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:12:48,285 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:12:48,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [561991156] [2023-11-06 23:12:48,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [561991156] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:12:48,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:12:48,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:12:48,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984795411] [2023-11-06 23:12:48,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:12:48,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 23:12:48,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:12:48,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 23:12:48,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:12:48,328 INFO L87 Difference]: Start difference. First operand has 181 states, 175 states have (on average 1.737142857142857) internal successors, (304), 176 states have internal predecessors, (304), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:48,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:12:48,379 INFO L93 Difference]: Finished difference Result 360 states and 621 transitions. [2023-11-06 23:12:48,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 23:12:48,384 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-11-06 23:12:48,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:12:48,395 INFO L225 Difference]: With dead ends: 360 [2023-11-06 23:12:48,395 INFO L226 Difference]: Without dead ends: 178 [2023-11-06 23:12:48,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:12:48,403 INFO L413 NwaCegarLoop]: 239 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:12:48,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:12:48,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2023-11-06 23:12:48,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2023-11-06 23:12:48,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 173 states have (on average 1.329479768786127) internal successors, (230), 173 states have internal predecessors, (230), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 23:12:48,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 236 transitions. [2023-11-06 23:12:48,462 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 236 transitions. Word has length 9 [2023-11-06 23:12:48,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:12:48,463 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 236 transitions. [2023-11-06 23:12:48,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:48,463 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 236 transitions. [2023-11-06 23:12:48,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-06 23:12:48,464 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:12:48,464 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:12:48,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:12:48,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:12:48,690 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:12:48,690 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:48,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1290836339, now seen corresponding path program 1 times [2023-11-06 23:12:48,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:12:48,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [840643670] [2023-11-06 23:12:48,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:48,692 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 [2023-11-06 23:12:48,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:12:48,716 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 23:12:48,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/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 (3)] Waiting until timeout for monitored process [2023-11-06 23:12:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:49,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 23:12:49,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:12:50,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:50,252 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:12:50,252 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:12:50,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [840643670] [2023-11-06 23:12:50,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [840643670] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:12:50,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:12:50,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:12:50,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673900506] [2023-11-06 23:12:50,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:12:50,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:12:50,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:12:50,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:12:50,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:12:50,257 INFO L87 Difference]: Start difference. First operand 178 states and 236 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 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) [2023-11-06 23:12:51,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:12:55,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:12:59,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:13:02,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:13:04,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:13:06,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:13:08,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:13:10,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:13:12,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:13:16,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:13:18,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:13:20,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:13:22,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:13:24,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:13:26,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:13:28,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:13:30,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:13:32,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:13:34,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:13:37,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:13:38,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:13:40,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:13:42,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:13:45,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:13:47,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:13:49,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:13:52,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.94s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:13:54,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:13:56,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 23:13:57,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 23:14:01,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:14:01,184 INFO L93 Difference]: Finished difference Result 182 states and 239 transitions. [2023-11-06 23:14:01,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 23:14:01,194 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 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 [2023-11-06 23:14:01,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:14:01,197 INFO L225 Difference]: With dead ends: 182 [2023-11-06 23:14:01,197 INFO L226 Difference]: Without dead ends: 178 [2023-11-06 23:14:01,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:14:01,199 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 231 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 2 mSolverCounterUnsat, 24 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 24 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70.7s IncrementalHoareTripleChecker+Time [2023-11-06 23:14:01,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 554 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 127 Invalid, 24 Unknown, 0 Unchecked, 70.7s Time] [2023-11-06 23:14:01,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2023-11-06 23:14:01,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2023-11-06 23:14:01,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 173 states have (on average 1.3121387283236994) internal successors, (227), 173 states have internal predecessors, (227), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 23:14:01,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 233 transitions. [2023-11-06 23:14:01,224 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 233 transitions. Word has length 11 [2023-11-06 23:14:01,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:14:01,225 INFO L495 AbstractCegarLoop]: Abstraction has 178 states and 233 transitions. [2023-11-06 23:14:01,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 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) [2023-11-06 23:14:01,225 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 233 transitions. [2023-11-06 23:14:01,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-06 23:14:01,226 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:14:01,226 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:14:01,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/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 (3)] Forceful destruction successful, exit code 0 [2023-11-06 23:14:01,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:14:01,448 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:14:01,448 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:14:01,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1358946516, now seen corresponding path program 1 times [2023-11-06 23:14:01,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:14:01,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1654747396] [2023-11-06 23:14:01,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:14:01,449 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 [2023-11-06 23:14:01,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:14:01,450 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 23:14:01,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/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 (4)] Waiting until timeout for monitored process [2023-11-06 23:14:02,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:14:02,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 23:14:02,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:14:02,632 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-06 23:14:02,653 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2023-11-06 23:14:02,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:14:02,940 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:14:02,941 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:14:02,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1654747396] [2023-11-06 23:14:02,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1654747396] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:14:02,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:14:02,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:14:02,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016342102] [2023-11-06 23:14:02,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:14:02,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:14:02,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:14:02,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:14:02,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:14:02,947 INFO L87 Difference]: Start difference. First operand 178 states and 233 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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) [2023-11-06 23:14:03,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:14:03,208 INFO L93 Difference]: Finished difference Result 178 states and 233 transitions. [2023-11-06 23:14:03,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 23:14:03,209 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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 [2023-11-06 23:14:03,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:14:03,209 INFO L225 Difference]: With dead ends: 178 [2023-11-06 23:14:03,210 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 23:14:03,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:14:03,212 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:14:03,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:14:03,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 23:14:03,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 23:14:03,214 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) [2023-11-06 23:14:03,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 23:14:03,215 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2023-11-06 23:14:03,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:14:03,215 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 23:14:03,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 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) [2023-11-06 23:14:03,218 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 23:14:03,218 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 23:14:03,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 23:14:03,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/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 (4)] Forceful destruction successful, exit code 0 [2023-11-06 23:14:03,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 23:14:03,442 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 23:14:03,951 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 188) no Hoare annotation was computed. [2023-11-06 23:14:03,951 INFO L899 garLoopResultBuilder]: For program point copysign_floatEXIT(lines 177 195) no Hoare annotation was computed. [2023-11-06 23:14:03,952 INFO L902 garLoopResultBuilder]: At program point L184-1(lines 184 188) the Hoare annotation is: true [2023-11-06 23:14:03,952 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 177 195) the Hoare annotation is: true [2023-11-06 23:14:03,952 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 193) no Hoare annotation was computed. [2023-11-06 23:14:03,952 INFO L902 garLoopResultBuilder]: At program point L189-1(lines 189 193) the Hoare annotation is: true [2023-11-06 23:14:03,953 INFO L899 garLoopResultBuilder]: For program point L189-2(lines 189 193) no Hoare annotation was computed. [2023-11-06 23:14:03,953 INFO L899 garLoopResultBuilder]: For program point L179-1(lines 179 183) no Hoare annotation was computed. [2023-11-06 23:14:03,953 INFO L902 garLoopResultBuilder]: At program point L179-2(lines 179 183) the Hoare annotation is: true [2023-11-06 23:14:03,953 INFO L899 garLoopResultBuilder]: For program point copysign_floatFINAL(lines 177 195) no Hoare annotation was computed. [2023-11-06 23:14:03,953 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 533) no Hoare annotation was computed. [2023-11-06 23:14:03,953 INFO L899 garLoopResultBuilder]: For program point L531-2(lines 522 534) no Hoare annotation was computed. [2023-11-06 23:14:03,954 INFO L899 garLoopResultBuilder]: For program point L532(lines 532 533) no Hoare annotation was computed. [2023-11-06 23:14:03,954 INFO L899 garLoopResultBuilder]: For program point L433-1(lines 433 437) no Hoare annotation was computed. [2023-11-06 23:14:03,954 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 368) no Hoare annotation was computed. [2023-11-06 23:14:03,954 INFO L895 garLoopResultBuilder]: At program point L433-2(lines 433 437) the Hoare annotation is: false [2023-11-06 23:14:03,954 INFO L895 garLoopResultBuilder]: At program point __ieee754_sqrtf_returnLabel#1(lines 111 176) the Hoare annotation is: false [2023-11-06 23:14:03,954 INFO L899 garLoopResultBuilder]: For program point L170-1(lines 170 174) no Hoare annotation was computed. [2023-11-06 23:14:03,955 INFO L895 garLoopResultBuilder]: At program point L170-2(lines 170 174) the Hoare annotation is: false [2023-11-06 23:14:03,955 INFO L899 garLoopResultBuilder]: For program point L170-3(lines 170 174) no Hoare annotation was computed. [2023-11-06 23:14:03,955 INFO L899 garLoopResultBuilder]: For program point L600(lines 600 603) no Hoare annotation was computed. [2023-11-06 23:14:03,955 INFO L899 garLoopResultBuilder]: For program point L501(lines 501 502) no Hoare annotation was computed. [2023-11-06 23:14:03,955 INFO L899 garLoopResultBuilder]: For program point L402(lines 402 410) no Hoare annotation was computed. [2023-11-06 23:14:03,955 INFO L899 garLoopResultBuilder]: For program point L402-1(lines 402 410) no Hoare annotation was computed. [2023-11-06 23:14:03,956 INFO L899 garLoopResultBuilder]: For program point L303-1(lines 303 307) no Hoare annotation was computed. [2023-11-06 23:14:03,956 INFO L895 garLoopResultBuilder]: At program point L303-2(lines 303 307) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_powf_~y#1| (fp.neg (_ +zero 8 24))) (= ~one_pow~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)))) [2023-11-06 23:14:03,956 INFO L895 garLoopResultBuilder]: At program point scalbn_float_returnLabel#1(lines 201 251) the Hoare annotation is: false [2023-11-06 23:14:03,956 INFO L899 garLoopResultBuilder]: For program point L601(line 601) no Hoare annotation was computed. [2023-11-06 23:14:03,956 INFO L899 garLoopResultBuilder]: For program point L238(lines 238 243) no Hoare annotation was computed. [2023-11-06 23:14:03,957 INFO L899 garLoopResultBuilder]: For program point L205-1(lines 205 209) no Hoare annotation was computed. [2023-11-06 23:14:03,957 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 140) no Hoare annotation was computed. [2023-11-06 23:14:03,957 INFO L895 garLoopResultBuilder]: At program point L205-2(lines 205 209) the Hoare annotation is: false [2023-11-06 23:14:03,957 INFO L899 garLoopResultBuilder]: For program point L205-3(lines 205 209) no Hoare annotation was computed. [2023-11-06 23:14:03,957 INFO L899 garLoopResultBuilder]: For program point L139-2(lines 139 140) no Hoare annotation was computed. [2023-11-06 23:14:03,957 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 507) no Hoare annotation was computed. [2023-11-06 23:14:03,958 INFO L895 garLoopResultBuilder]: At program point L503-1(lines 503 507) the Hoare annotation is: false [2023-11-06 23:14:03,958 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 343) no Hoare annotation was computed. [2023-11-06 23:14:03,958 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 242) no Hoare annotation was computed. [2023-11-06 23:14:03,958 INFO L899 garLoopResultBuilder]: For program point L438(lines 438 442) no Hoare annotation was computed. [2023-11-06 23:14:03,958 INFO L895 garLoopResultBuilder]: At program point L438-1(lines 438 442) the Hoare annotation is: false [2023-11-06 23:14:03,958 INFO L899 garLoopResultBuilder]: For program point L405-1(lines 405 409) no Hoare annotation was computed. [2023-11-06 23:14:03,959 INFO L895 garLoopResultBuilder]: At program point L405-2(lines 405 409) the Hoare annotation is: false [2023-11-06 23:14:03,959 INFO L895 garLoopResultBuilder]: At program point L240(line 240) the Hoare annotation is: false [2023-11-06 23:14:03,959 INFO L899 garLoopResultBuilder]: For program point L240-1(line 240) no Hoare annotation was computed. [2023-11-06 23:14:03,959 INFO L899 garLoopResultBuilder]: For program point L538(lines 538 550) no Hoare annotation was computed. [2023-11-06 23:14:03,959 INFO L899 garLoopResultBuilder]: For program point L571-1(lines 571 575) no Hoare annotation was computed. [2023-11-06 23:14:03,960 INFO L895 garLoopResultBuilder]: At program point L571-2(lines 571 575) the Hoare annotation is: false [2023-11-06 23:14:03,960 INFO L899 garLoopResultBuilder]: For program point L538-2(lines 538 550) no Hoare annotation was computed. [2023-11-06 23:14:03,960 INFO L899 garLoopResultBuilder]: For program point L571-3(lines 571 575) no Hoare annotation was computed. [2023-11-06 23:14:03,960 INFO L899 garLoopResultBuilder]: For program point L472-1(lines 472 476) no Hoare annotation was computed. [2023-11-06 23:14:03,960 INFO L895 garLoopResultBuilder]: At program point L472-2(lines 472 476) the Hoare annotation is: false [2023-11-06 23:14:03,960 INFO L899 garLoopResultBuilder]: For program point L373(lines 373 374) no Hoare annotation was computed. [2023-11-06 23:14:03,961 INFO L899 garLoopResultBuilder]: For program point L340(lines 340 343) no Hoare annotation was computed. [2023-11-06 23:14:03,961 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 312) no Hoare annotation was computed. [2023-11-06 23:14:03,961 INFO L895 garLoopResultBuilder]: At program point L308-1(lines 308 312) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_powf_~y#1| (fp.neg (_ +zero 8 24))) (= ~one_pow~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)))) [2023-11-06 23:14:03,961 INFO L899 garLoopResultBuilder]: For program point L308-2(lines 308 312) no Hoare annotation was computed. [2023-11-06 23:14:03,961 INFO L895 garLoopResultBuilder]: At program point L242(line 242) the Hoare annotation is: false [2023-11-06 23:14:03,961 INFO L899 garLoopResultBuilder]: For program point L242-1(line 242) no Hoare annotation was computed. [2023-11-06 23:14:03,962 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 588 606) the Hoare annotation is: true [2023-11-06 23:14:03,962 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 499) no Hoare annotation was computed. [2023-11-06 23:14:03,962 INFO L899 garLoopResultBuilder]: For program point L375-2(lines 375 499) no Hoare annotation was computed. [2023-11-06 23:14:03,962 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 512) no Hoare annotation was computed. [2023-11-06 23:14:03,962 INFO L899 garLoopResultBuilder]: For program point L541-1(lines 541 545) no Hoare annotation was computed. [2023-11-06 23:14:03,962 INFO L895 garLoopResultBuilder]: At program point L508-1(lines 508 512) the Hoare annotation is: false [2023-11-06 23:14:03,963 INFO L895 garLoopResultBuilder]: At program point L541-2(lines 541 545) the Hoare annotation is: false [2023-11-06 23:14:03,963 INFO L899 garLoopResultBuilder]: For program point L508-2(lines 508 512) no Hoare annotation was computed. [2023-11-06 23:14:03,963 INFO L899 garLoopResultBuilder]: For program point L541-3(lines 541 545) no Hoare annotation was computed. [2023-11-06 23:14:03,963 INFO L899 garLoopResultBuilder]: For program point L443(lines 443 447) no Hoare annotation was computed. [2023-11-06 23:14:03,963 INFO L895 garLoopResultBuilder]: At program point L443-1(lines 443 447) the Hoare annotation is: false [2023-11-06 23:14:03,963 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 378) no Hoare annotation was computed. [2023-11-06 23:14:03,963 INFO L899 garLoopResultBuilder]: For program point L443-2(lines 443 447) no Hoare annotation was computed. [2023-11-06 23:14:03,964 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 213) no Hoare annotation was computed. [2023-11-06 23:14:03,964 INFO L899 garLoopResultBuilder]: For program point L245-1(lines 245 249) no Hoare annotation was computed. [2023-11-06 23:14:03,964 INFO L895 garLoopResultBuilder]: At program point L245-2(lines 245 249) the Hoare annotation is: false [2023-11-06 23:14:03,964 INFO L899 garLoopResultBuilder]: For program point L245-3(lines 245 249) no Hoare annotation was computed. [2023-11-06 23:14:03,964 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 481) no Hoare annotation was computed. [2023-11-06 23:14:03,964 INFO L895 garLoopResultBuilder]: At program point L477-1(lines 477 481) the Hoare annotation is: false [2023-11-06 23:14:03,965 INFO L899 garLoopResultBuilder]: For program point L477-2(lines 477 481) no Hoare annotation was computed. [2023-11-06 23:14:03,965 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 350) no Hoare annotation was computed. [2023-11-06 23:14:03,965 INFO L895 garLoopResultBuilder]: At program point L147-2(lines 147 156) the Hoare annotation is: false [2023-11-06 23:14:03,965 INFO L899 garLoopResultBuilder]: For program point L147-3(lines 111 176) no Hoare annotation was computed. [2023-11-06 23:14:03,965 INFO L899 garLoopResultBuilder]: For program point L577(lines 577 584) no Hoare annotation was computed. [2023-11-06 23:14:03,965 INFO L899 garLoopResultBuilder]: For program point L379(lines 379 380) no Hoare annotation was computed. [2023-11-06 23:14:03,966 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 349) no Hoare annotation was computed. [2023-11-06 23:14:03,966 INFO L899 garLoopResultBuilder]: For program point L214(lines 214 215) no Hoare annotation was computed. [2023-11-06 23:14:03,966 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 153) no Hoare annotation was computed. [2023-11-06 23:14:03,966 INFO L899 garLoopResultBuilder]: For program point L116-1(lines 116 120) no Hoare annotation was computed. [2023-11-06 23:14:03,966 INFO L899 garLoopResultBuilder]: For program point L149-2(lines 149 153) no Hoare annotation was computed. [2023-11-06 23:14:03,966 INFO L895 garLoopResultBuilder]: At program point L116-2(lines 116 120) the Hoare annotation is: false [2023-11-06 23:14:03,967 INFO L899 garLoopResultBuilder]: For program point L116-3(lines 116 120) no Hoare annotation was computed. [2023-11-06 23:14:03,967 INFO L895 garLoopResultBuilder]: At program point fabs_float_returnLabel#1(lines 252 265) the Hoare annotation is: false [2023-11-06 23:14:03,967 INFO L899 garLoopResultBuilder]: For program point L216(lines 216 226) no Hoare annotation was computed. [2023-11-06 23:14:03,967 INFO L899 garLoopResultBuilder]: For program point L216-2(lines 216 226) no Hoare annotation was computed. [2023-11-06 23:14:03,967 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 548) no Hoare annotation was computed. [2023-11-06 23:14:03,967 INFO L899 garLoopResultBuilder]: For program point L580-1(lines 580 584) no Hoare annotation was computed. [2023-11-06 23:14:03,967 INFO L895 garLoopResultBuilder]: At program point L580-2(lines 580 584) the Hoare annotation is: false [2023-11-06 23:14:03,968 INFO L899 garLoopResultBuilder]: For program point L547-2(lines 547 548) no Hoare annotation was computed. [2023-11-06 23:14:03,968 INFO L899 garLoopResultBuilder]: For program point L580-3(lines 577 584) no Hoare annotation was computed. [2023-11-06 23:14:03,968 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 423) no Hoare annotation was computed. [2023-11-06 23:14:03,968 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 317) no Hoare annotation was computed. [2023-11-06 23:14:03,968 INFO L899 garLoopResultBuilder]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2023-11-06 23:14:03,968 INFO L895 garLoopResultBuilder]: At program point L218-2(lines 218 222) the Hoare annotation is: false [2023-11-06 23:14:03,969 INFO L899 garLoopResultBuilder]: For program point L218-3(lines 218 222) no Hoare annotation was computed. [2023-11-06 23:14:03,969 INFO L899 garLoopResultBuilder]: For program point L516-1(lines 516 520) no Hoare annotation was computed. [2023-11-06 23:14:03,969 INFO L895 garLoopResultBuilder]: At program point L516-2(lines 516 520) the Hoare annotation is: false [2023-11-06 23:14:03,969 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2023-11-06 23:14:03,969 INFO L899 garLoopResultBuilder]: For program point L516-3(lines 516 520) no Hoare annotation was computed. [2023-11-06 23:14:03,969 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 352) no Hoare annotation was computed. [2023-11-06 23:14:03,969 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 324) no Hoare annotation was computed. [2023-11-06 23:14:03,970 INFO L899 garLoopResultBuilder]: For program point L353(lines 353 356) no Hoare annotation was computed. [2023-11-06 23:14:03,970 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 323) no Hoare annotation was computed. [2023-11-06 23:14:03,970 INFO L899 garLoopResultBuilder]: For program point L353-2(lines 353 356) no Hoare annotation was computed. [2023-11-06 23:14:03,970 INFO L899 garLoopResultBuilder]: For program point L254-1(lines 254 258) no Hoare annotation was computed. [2023-11-06 23:14:03,970 INFO L895 garLoopResultBuilder]: At program point L254-2(lines 254 258) the Hoare annotation is: false [2023-11-06 23:14:03,970 INFO L899 garLoopResultBuilder]: For program point L552-1(lines 552 556) no Hoare annotation was computed. [2023-11-06 23:14:03,970 INFO L895 garLoopResultBuilder]: At program point L552-2(lines 552 556) the Hoare annotation is: false [2023-11-06 23:14:03,971 INFO L899 garLoopResultBuilder]: For program point L354(lines 354 355) no Hoare annotation was computed. [2023-11-06 23:14:03,971 INFO L899 garLoopResultBuilder]: For program point L387-1(lines 387 391) no Hoare annotation was computed. [2023-11-06 23:14:03,971 INFO L895 garLoopResultBuilder]: At program point L387-2(lines 387 391) the Hoare annotation is: false [2023-11-06 23:14:03,971 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 124) no Hoare annotation was computed. [2023-11-06 23:14:03,972 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 23:14:03,972 INFO L899 garLoopResultBuilder]: For program point L488-1(lines 488 492) no Hoare annotation was computed. [2023-11-06 23:14:03,972 INFO L895 garLoopResultBuilder]: At program point L488-2(lines 488 492) the Hoare annotation is: false [2023-11-06 23:14:03,972 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 225) no Hoare annotation was computed. [2023-11-06 23:14:03,972 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 167) no Hoare annotation was computed. [2023-11-06 23:14:03,972 INFO L899 garLoopResultBuilder]: For program point L522(lines 522 534) no Hoare annotation was computed. [2023-11-06 23:14:03,973 INFO L895 garLoopResultBuilder]: At program point __ieee754_powf_returnLabel#1(lines 297 586) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)))) (and (= ~one_pow~0 .cse0) (= .cse0 |ULTIMATE.start___ieee754_powf_#res#1|))) [2023-11-06 23:14:03,973 INFO L899 garLoopResultBuilder]: For program point L126(lines 126 127) no Hoare annotation was computed. [2023-11-06 23:14:03,973 INFO L899 garLoopResultBuilder]: For program point L523(lines 523 527) no Hoare annotation was computed. [2023-11-06 23:14:03,973 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 428) no Hoare annotation was computed. [2023-11-06 23:14:03,974 INFO L895 garLoopResultBuilder]: At program point L424-1(lines 424 428) the Hoare annotation is: false [2023-11-06 23:14:03,974 INFO L899 garLoopResultBuilder]: For program point L424-2(lines 424 428) no Hoare annotation was computed. [2023-11-06 23:14:03,974 INFO L899 garLoopResultBuilder]: For program point L259(lines 259 263) no Hoare annotation was computed. [2023-11-06 23:14:03,974 INFO L895 garLoopResultBuilder]: At program point L259-1(lines 259 263) the Hoare annotation is: false [2023-11-06 23:14:03,974 INFO L899 garLoopResultBuilder]: For program point L259-2(lines 259 263) no Hoare annotation was computed. [2023-11-06 23:14:03,975 INFO L899 garLoopResultBuilder]: For program point L160(lines 160 166) no Hoare annotation was computed. [2023-11-06 23:14:03,975 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 23:14:03,975 INFO L899 garLoopResultBuilder]: For program point L557(lines 557 561) no Hoare annotation was computed. [2023-11-06 23:14:03,975 INFO L895 garLoopResultBuilder]: At program point L557-1(lines 557 561) the Hoare annotation is: false [2023-11-06 23:14:03,975 INFO L899 garLoopResultBuilder]: For program point L557-2(lines 557 561) no Hoare annotation was computed. [2023-11-06 23:14:03,976 INFO L899 garLoopResultBuilder]: For program point L458-1(lines 458 462) no Hoare annotation was computed. [2023-11-06 23:14:03,976 INFO L899 garLoopResultBuilder]: For program point L392(lines 392 396) no Hoare annotation was computed. [2023-11-06 23:14:03,976 INFO L895 garLoopResultBuilder]: At program point L458-2(lines 458 462) the Hoare annotation is: false [2023-11-06 23:14:03,976 INFO L895 garLoopResultBuilder]: At program point L392-1(lines 392 396) the Hoare annotation is: false [2023-11-06 23:14:03,976 INFO L899 garLoopResultBuilder]: For program point L326(lines 326 335) no Hoare annotation was computed. [2023-11-06 23:14:03,977 INFO L899 garLoopResultBuilder]: For program point L392-2(lines 392 396) no Hoare annotation was computed. [2023-11-06 23:14:03,977 INFO L899 garLoopResultBuilder]: For program point L326-1(lines 297 586) no Hoare annotation was computed. [2023-11-06 23:14:03,977 INFO L899 garLoopResultBuilder]: For program point L128(lines 128 129) no Hoare annotation was computed. [2023-11-06 23:14:03,977 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 527) no Hoare annotation was computed. [2023-11-06 23:14:03,977 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 23:14:03,977 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 371) no Hoare annotation was computed. [2023-11-06 23:14:03,978 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 334) no Hoare annotation was computed. [2023-11-06 23:14:03,978 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 229) no Hoare annotation was computed. [2023-11-06 23:14:03,978 INFO L899 garLoopResultBuilder]: For program point L162(lines 162 165) no Hoare annotation was computed. [2023-11-06 23:14:03,978 INFO L899 garLoopResultBuilder]: For program point L526(lines 526 527) no Hoare annotation was computed. [2023-11-06 23:14:03,978 INFO L899 garLoopResultBuilder]: For program point L493(lines 493 497) no Hoare annotation was computed. [2023-11-06 23:14:03,979 INFO L895 garLoopResultBuilder]: At program point L493-1(lines 493 497) the Hoare annotation is: false [2023-11-06 23:14:03,979 INFO L899 garLoopResultBuilder]: For program point L493-2(lines 493 497) no Hoare annotation was computed. [2023-11-06 23:14:03,979 INFO L895 garLoopResultBuilder]: At program point L229(line 229) the Hoare annotation is: false [2023-11-06 23:14:03,979 INFO L899 garLoopResultBuilder]: For program point L229-1(line 229) no Hoare annotation was computed. [2023-11-06 23:14:03,979 INFO L899 garLoopResultBuilder]: For program point L362(lines 362 363) no Hoare annotation was computed. [2023-11-06 23:14:03,980 INFO L899 garLoopResultBuilder]: For program point L329(lines 329 334) no Hoare annotation was computed. [2023-11-06 23:14:03,980 INFO L899 garLoopResultBuilder]: For program point L362-2(lines 360 371) no Hoare annotation was computed. [2023-11-06 23:14:03,980 INFO L899 garLoopResultBuilder]: For program point L230(lines 230 237) no Hoare annotation was computed. [2023-11-06 23:14:03,980 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 23:14:03,980 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 601) no Hoare annotation was computed. [2023-11-06 23:14:03,981 INFO L899 garLoopResultBuilder]: For program point L231-1(lines 231 235) no Hoare annotation was computed. [2023-11-06 23:14:03,981 INFO L895 garLoopResultBuilder]: At program point L231-2(lines 231 235) the Hoare annotation is: false [2023-11-06 23:14:03,981 INFO L899 garLoopResultBuilder]: For program point L132(lines 132 136) no Hoare annotation was computed. [2023-11-06 23:14:03,981 INFO L899 garLoopResultBuilder]: For program point L231-3(lines 231 235) no Hoare annotation was computed. [2023-11-06 23:14:03,981 INFO L899 garLoopResultBuilder]: For program point L132-2(lines 132 136) no Hoare annotation was computed. [2023-11-06 23:14:03,982 INFO L899 garLoopResultBuilder]: For program point L529(lines 529 533) no Hoare annotation was computed. [2023-11-06 23:14:03,982 INFO L899 garLoopResultBuilder]: For program point L463(lines 463 467) no Hoare annotation was computed. [2023-11-06 23:14:03,982 INFO L895 garLoopResultBuilder]: At program point L463-1(lines 463 467) the Hoare annotation is: false [2023-11-06 23:14:03,982 INFO L899 garLoopResultBuilder]: For program point L463-2(lines 463 467) no Hoare annotation was computed. [2023-11-06 23:14:03,982 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 369) no Hoare annotation was computed. [2023-11-06 23:14:03,982 INFO L899 garLoopResultBuilder]: For program point L133-2(lines 133 134) no Hoare annotation was computed. [2023-11-06 23:14:03,983 INFO L895 garLoopResultBuilder]: At program point L133-3(lines 133 134) the Hoare annotation is: false [2023-11-06 23:14:03,983 INFO L899 garLoopResultBuilder]: For program point L133-4(lines 133 134) no Hoare annotation was computed. [2023-11-06 23:14:03,983 INFO L899 garLoopResultBuilder]: For program point L365(lines 365 368) no Hoare annotation was computed. [2023-11-06 23:14:03,983 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 333) no Hoare annotation was computed. [2023-11-06 23:14:03,987 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-06 23:14:03,989 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:14:04,001 ERROR L462 ceAbstractionStarter]: Failed to backtranslate (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)))) (and (= ~one_pow~0 .cse0) (= .cse0 |ULTIMATE.start___ieee754_powf_#res#1|))) [2023-11-06 23:14:04,002 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2023-11-06 23:14:04,004 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2023-11-06 23:14:04,004 ERROR L462 ceAbstractionStarter]: Failed to backtranslate (and (= |ULTIMATE.start___ieee754_powf_~y#1| (fp.neg (_ +zero 8 24))) (= ~one_pow~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)))) [2023-11-06 23:14:04,005 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2023-11-06 23:14:04,005 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2023-11-06 23:14:04,005 ERROR L462 ceAbstractionStarter]: Failed to backtranslate (and (= |ULTIMATE.start___ieee754_powf_~y#1| (fp.neg (_ +zero 8 24))) (= ~one_pow~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)))) [2023-11-06 23:14:04,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:14:04 BoogieIcfgContainer [2023-11-06 23:14:04,007 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:14:04,007 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:14:04,008 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:14:04,008 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:14:04,008 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:12:46" (3/4) ... [2023-11-06 23:14:04,011 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 23:14:04,016 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_float [2023-11-06 23:14:04,031 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-06 23:14:04,031 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-06 23:14:04,032 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-06 23:14:04,032 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 23:14:04,127 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 23:14:04,128 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 23:14:04,128 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:14:04,129 INFO L158 Benchmark]: Toolchain (without parser) took 108906.65ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 53.0MB in the end (delta: 39.1MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2023-11-06 23:14:04,129 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 69.2MB. Free memory was 45.1MB in the beginning and 45.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:14:04,130 INFO L158 Benchmark]: CACSL2BoogieTranslator took 728.18ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 68.9MB in the end (delta: 23.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-06 23:14:04,130 INFO L158 Benchmark]: Boogie Procedure Inliner took 152.09ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 64.4MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 23:14:04,130 INFO L158 Benchmark]: Boogie Preprocessor took 126.23ms. Allocated memory is still 117.4MB. Free memory was 64.4MB in the beginning and 59.8MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 23:14:04,131 INFO L158 Benchmark]: RCFGBuilder took 30660.38ms. Allocated memory is still 117.4MB. Free memory was 59.3MB in the beginning and 52.5MB in the end (delta: 6.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 23:14:04,131 INFO L158 Benchmark]: TraceAbstraction took 77106.66ms. Allocated memory is still 117.4MB. Free memory was 51.9MB in the beginning and 58.9MB in the end (delta: -7.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:14:04,132 INFO L158 Benchmark]: Witness Printer took 120.76ms. Allocated memory is still 117.4MB. Free memory was 58.9MB in the beginning and 53.0MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-06 23:14:04,134 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 69.2MB. Free memory was 45.1MB in the beginning and 45.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 728.18ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 68.9MB in the end (delta: 23.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 152.09ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 64.4MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 126.23ms. Allocated memory is still 117.4MB. Free memory was 64.4MB in the beginning and 59.8MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 30660.38ms. Allocated memory is still 117.4MB. Free memory was 59.3MB in the beginning and 52.5MB in the end (delta: 6.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 77106.66ms. Allocated memory is still 117.4MB. Free memory was 51.9MB in the beginning and 58.9MB in the end (delta: -7.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 120.76ms. Allocated memory is still 117.4MB. Free memory was 58.9MB in the beginning and 53.0MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 * 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: 601]: 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, 181 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 77.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 71.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 24 mSolverCounterUnknown, 235 SdHoareTripleChecker+Valid, 70.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 235 mSDsluCounter, 806 SdHoareTripleChecker+Invalid, 69.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 370 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 132 IncrementalHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 436 mSDtfsCounter, 132 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=181occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 65 PreInvPairs, 69 NumberOfFragments, 81 HoareAnnotationTreeSize, 65 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 45 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 30 ConstructedInterpolants, 1 QuantifiedInterpolants, 127 SizeOfPredicates, 10 NumberOfNonLiveVariables, 329 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: NULL - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 392]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 424]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 259]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 477]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 303]: Loop Invariant [2023-11-06 23:14:04,147 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2023-11-06 23:14:04,148 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 Derived loop invariant: NULL - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 588]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 308]: Loop Invariant [2023-11-06 23:14:04,148 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2023-11-06 23:14:04,149 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 Derived loop invariant: NULL - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-06 23:14:04,379 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-11-06 23:14:04,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f12afcb-fa00-45fa-b6e3-32596f1c2a74/bin/uautomizer-verify-WvqO1wxjHP/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