./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0480.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/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_0c8c33c0-3159-4634-a6f1-4186d977a3af/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0480.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/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_0c8c33c0-3159-4634-a6f1-4186d977a3af/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 f90b1d640a2990a6a85e9cd8b829ad481f01a2281537af5797be61836c0e0f27 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:58:55,360 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:58:55,439 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:58:55,445 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:58:55,446 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:58:55,473 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:58:55,474 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:58:55,475 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:58:55,475 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:58:55,476 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:58:55,477 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:58:55,477 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:58:55,478 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:58:55,479 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:58:55,479 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:58:55,480 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:58:55,480 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:58:55,481 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:58:55,482 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:58:55,482 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:58:55,483 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:58:55,483 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:58:55,484 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:58:55,485 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:58:55,485 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:58:55,486 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:58:55,486 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:58:55,487 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:58:55,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:58:55,488 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:58:55,488 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:58:55,489 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:58:55,490 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:58:55,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:58:55,490 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:58:55,491 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:58:55,491 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:58:55,492 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:58:55,492 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:58:55,492 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_0c8c33c0-3159-4634-a6f1-4186d977a3af/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f90b1d640a2990a6a85e9cd8b829ad481f01a2281537af5797be61836c0e0f27 [2023-11-06 22:58:55,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:58:55,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:58:55,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:58:55,844 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:58:55,846 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:58:55,848 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2023-11-06 22:58:59,205 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:58:59,461 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:58:59,462 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2023-11-06 22:58:59,480 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/bin/uautomizer-verify-WvqO1wxjHP/data/355e7f1f2/89fd410e751f49eba237c8e5e34412ee/FLAGc81eafe86 [2023-11-06 22:58:59,505 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/bin/uautomizer-verify-WvqO1wxjHP/data/355e7f1f2/89fd410e751f49eba237c8e5e34412ee [2023-11-06 22:58:59,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:58:59,510 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:58:59,511 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:58:59,511 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:58:59,517 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:58:59,518 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:58:59" (1/1) ... [2023-11-06 22:58:59,519 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e59b9ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:59, skipping insertion in model container [2023-11-06 22:58:59,520 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:58:59" (1/1) ... [2023-11-06 22:58:59,569 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:58:59,796 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_0c8c33c0-3159-4634-a6f1-4186d977a3af/sv-benchmarks/c/float-newlib/double_req_bl_0480.c[5882,5895] [2023-11-06 22:58:59,800 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:58:59,813 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:58:59,871 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_0c8c33c0-3159-4634-a6f1-4186d977a3af/sv-benchmarks/c/float-newlib/double_req_bl_0480.c[5882,5895] [2023-11-06 22:58:59,872 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:58:59,889 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:58:59,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:59 WrapperNode [2023-11-06 22:58:59,890 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:58:59,892 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:58:59,892 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:58:59,892 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:58:59,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:59" (1/1) ... [2023-11-06 22:58:59,933 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:59" (1/1) ... [2023-11-06 22:58:59,968 INFO L138 Inliner]: procedures = 17, calls = 38, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 162 [2023-11-06 22:58:59,968 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:58:59,969 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:58:59,970 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:58:59,970 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:58:59,980 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:59" (1/1) ... [2023-11-06 22:58:59,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:59" (1/1) ... [2023-11-06 22:58:59,987 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:59" (1/1) ... [2023-11-06 22:58:59,987 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:59" (1/1) ... [2023-11-06 22:59:00,004 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:59" (1/1) ... [2023-11-06 22:59:00,013 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:59" (1/1) ... [2023-11-06 22:59:00,017 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:59" (1/1) ... [2023-11-06 22:59:00,020 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:59" (1/1) ... [2023-11-06 22:59:00,027 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:59:00,028 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:59:00,028 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:59:00,028 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:59:00,029 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:59" (1/1) ... [2023-11-06 22:59:00,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:59:00,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:00,091 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:00,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:59:00,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:59:00,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:59:00,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:59:00,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-06 22:59:00,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:59:00,129 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2023-11-06 22:59:00,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2023-11-06 22:59:00,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-06 22:59:00,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:59:00,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:59:00,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:59:00,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:59:00,244 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:59:00,247 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:59:00,989 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:59:00,998 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:59:01,000 INFO L302 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-06 22:59:01,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:59:01 BoogieIcfgContainer [2023-11-06 22:59:01,004 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:59:01,009 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:59:01,009 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:59:01,013 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:59:01,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:58:59" (1/3) ... [2023-11-06 22:59:01,014 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79533894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:59:01, skipping insertion in model container [2023-11-06 22:59:01,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:58:59" (2/3) ... [2023-11-06 22:59:01,016 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79533894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:59:01, skipping insertion in model container [2023-11-06 22:59:01,017 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:59:01" (3/3) ... [2023-11-06 22:59:01,018 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0480.c [2023-11-06 22:59:01,043 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:59:01,043 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:59:01,105 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:59:01,115 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;@5f493326, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:59:01,116 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:59:01,124 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 113 states have (on average 1.7079646017699115) internal successors, (193), 114 states have internal predecessors, (193), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:59:01,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-06 22:59:01,134 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:59:01,134 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:59:01,135 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:59:01,144 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:01,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1731482694, now seen corresponding path program 1 times [2023-11-06 22:59:01,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:59:01,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680390956] [2023-11-06 22:59:01,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:01,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:59:01,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:01,336 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 22:59:01,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:59:01,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680390956] [2023-11-06 22:59:01,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680390956] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:59:01,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:59:01,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:59:01,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369576363] [2023-11-06 22:59:01,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:59:01,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:59:01,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:59:01,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:59:01,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:59:01,416 INFO L87 Difference]: Start difference. First operand has 118 states, 113 states have (on average 1.7079646017699115) internal successors, (193), 114 states have internal predecessors, (193), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:59:01,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:59:01,489 INFO L93 Difference]: Finished difference Result 234 states and 394 transitions. [2023-11-06 22:59:01,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:59:01,492 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-11-06 22:59:01,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:59:01,504 INFO L225 Difference]: With dead ends: 234 [2023-11-06 22:59:01,505 INFO L226 Difference]: Without dead ends: 115 [2023-11-06 22:59:01,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:59:01,515 INFO L413 NwaCegarLoop]: 179 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, 179 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 22:59:01,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:59:01,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-11-06 22:59:01,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2023-11-06 22:59:01,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 111 states have (on average 1.5495495495495495) internal successors, (172), 111 states have internal predecessors, (172), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:59:01,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 176 transitions. [2023-11-06 22:59:01,579 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 176 transitions. Word has length 11 [2023-11-06 22:59:01,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:59:01,580 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 176 transitions. [2023-11-06 22:59:01,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:59:01,580 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 176 transitions. [2023-11-06 22:59:01,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-06 22:59:01,582 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:59:01,582 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:59:01,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:59:01,583 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:59:01,584 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:01,584 INFO L85 PathProgramCache]: Analyzing trace with hash -595595995, now seen corresponding path program 1 times [2023-11-06 22:59:01,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:59:01,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854845178] [2023-11-06 22:59:01,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:01,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:59:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:01,635 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:59:01,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:59:01,687 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:59:01,688 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:59:01,690 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:59:01,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:59:01,697 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-06 22:59:01,702 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:59:01,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:59:01 BoogieIcfgContainer [2023-11-06 22:59:01,740 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:59:01,741 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:59:01,741 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:59:01,741 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:59:01,742 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:59:01" (3/4) ... [2023-11-06 22:59:01,745 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:59:01,746 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:59:01,748 INFO L158 Benchmark]: Toolchain (without parser) took 2237.76ms. Allocated memory is still 178.3MB. Free memory was 133.7MB in the beginning and 133.3MB in the end (delta: 484.2kB). Peak memory consumption was 1.3MB. Max. memory is 16.1GB. [2023-11-06 22:59:01,748 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 178.3MB. Free memory is still 151.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:59:01,749 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.62ms. Allocated memory is still 178.3MB. Free memory was 133.7MB in the beginning and 118.3MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:59:01,750 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.23ms. Allocated memory is still 178.3MB. Free memory was 118.3MB in the beginning and 116.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:59:01,751 INFO L158 Benchmark]: Boogie Preprocessor took 57.76ms. Allocated memory is still 178.3MB. Free memory was 116.1MB in the beginning and 114.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:59:01,752 INFO L158 Benchmark]: RCFGBuilder took 976.43ms. Allocated memory is still 178.3MB. Free memory was 113.5MB in the beginning and 81.3MB in the end (delta: 32.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-06 22:59:01,752 INFO L158 Benchmark]: TraceAbstraction took 730.95ms. Allocated memory is still 178.3MB. Free memory was 80.5MB in the beginning and 134.3MB in the end (delta: -53.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:59:01,753 INFO L158 Benchmark]: Witness Printer took 5.96ms. Allocated memory is still 178.3MB. Free memory was 134.3MB in the beginning and 133.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:59:01,757 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 178.3MB. Free memory is still 151.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 379.62ms. Allocated memory is still 178.3MB. Free memory was 133.7MB in the beginning and 118.3MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.23ms. Allocated memory is still 178.3MB. Free memory was 118.3MB in the beginning and 116.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.76ms. Allocated memory is still 178.3MB. Free memory was 116.1MB in the beginning and 114.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 976.43ms. Allocated memory is still 178.3MB. Free memory was 113.5MB in the beginning and 81.3MB in the end (delta: 32.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 730.95ms. Allocated memory is still 178.3MB. Free memory was 80.5MB in the beginning and 134.3MB in the end (delta: -53.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.96ms. Allocated memory is still 178.3MB. Free memory was 134.3MB in the beginning and 133.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 239]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 238, overapproximation of someUnaryDOUBLEoperation at line 147, overapproximation of someBinaryArithmeticDOUBLEoperation at line 183. Possible FailurePath: [L30] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L142-L155] static const double one_acos = 1.00000000000000000000e+00, pi = 3.14159265358979311600e+00, pio2_hi_acos = 1.57079632679489655800e+00, pio2_lo_acos = 6.12323399573676603587e-17, pS0_acos = 1.66666666666666657415e-01, pS1_acos = -3.25565818622400915405e-01, pS2_acos = 2.01212532134862925881e-01, pS3_acos = -4.00555345006794114027e-02, pS4_acos = 7.91534994289814532176e-04, pS5_acos = 3.47933107596021167570e-05, qS1_acos = -2.40339491173441421878e+00, qS2_acos = 2.02094576023350569471e+00, qS3_acos = -6.88283971605453293030e-01, qS4_acos = 7.70381505559019352791e-02; VAL [one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L234] double x = 1.0; [L235] CALL, EXPR __ieee754_acos(x) [L158] double z, p, q, r, w, s, c, df; [L159] __int32_t hx, ix; VAL [\old(x)=1, one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1] [L161] ieee_double_shape_type gh_u; [L162] EXPR gh_u.value = (x) [L163] EXPR gh_u.parts.msw [L163] EXPR (hx) = gh_u.parts.msw [L160-L164] { ieee_double_shape_type gh_u; gh_u.value = (x); (hx) = gh_u.parts.msw; } VAL [\old(x)=1, hx=0, one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1] [L165] ix = hx & 0x7fffffff VAL [\old(x)=1, hx=0, ix=0, one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1] [L166] COND FALSE !(ix >= 0x3ff00000) VAL [\old(x)=1, hx=0, ix=0, one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1] [L181] COND TRUE ix < 0x3fe00000 VAL [\old(x)=1, hx=0, ix=0, one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1] [L182] COND TRUE ix <= 0x3c600000 [L183] return pio2_hi_acos + pio2_lo_acos; VAL [\old(x)=1, hx=0, ix=0, one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1] [L235] RET, EXPR __ieee754_acos(x) [L235] double res = __ieee754_acos(x); [L238] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, res == 0.0 && __signbit_double(res) == 0=0, res=57, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1] [L238] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L239] reach_error() VAL [one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, res=57, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 118 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 179 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 179 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-06 22:59:01,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/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_0c8c33c0-3159-4634-a6f1-4186d977a3af/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0480.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/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_0c8c33c0-3159-4634-a6f1-4186d977a3af/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 f90b1d640a2990a6a85e9cd8b829ad481f01a2281537af5797be61836c0e0f27 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:59:04,569 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:59:04,708 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:59:04,716 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:59:04,717 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:59:04,761 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:59:04,762 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:59:04,763 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:59:04,764 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:59:04,769 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:59:04,770 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:59:04,771 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:59:04,771 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:59:04,774 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:59:04,774 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:59:04,775 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:59:04,775 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:59:04,776 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:59:04,776 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:59:04,777 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:59:04,778 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:59:04,778 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:59:04,779 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:59:04,779 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:59:04,780 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:59:04,780 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:59:04,780 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:59:04,781 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:59:04,781 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:59:04,782 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:59:04,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:59:04,783 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:59:04,784 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:59:04,784 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:59:04,784 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:59:04,785 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:59:04,785 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:59:04,785 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:59:04,785 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:59:04,786 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:59:04,787 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:59:04,787 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:59:04,787 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_0c8c33c0-3159-4634-a6f1-4186d977a3af/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f90b1d640a2990a6a85e9cd8b829ad481f01a2281537af5797be61836c0e0f27 [2023-11-06 22:59:05,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:59:05,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:59:05,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:59:05,242 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:59:05,243 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:59:05,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2023-11-06 22:59:08,530 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:59:08,810 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:59:08,810 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2023-11-06 22:59:08,838 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/bin/uautomizer-verify-WvqO1wxjHP/data/0686f05d8/1f6f032c710c4447a5848e622d20b92c/FLAG23d0a3332 [2023-11-06 22:59:08,854 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/bin/uautomizer-verify-WvqO1wxjHP/data/0686f05d8/1f6f032c710c4447a5848e622d20b92c [2023-11-06 22:59:08,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:59:08,859 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:59:08,861 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:59:08,861 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:59:08,866 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:59:08,867 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:59:08" (1/1) ... [2023-11-06 22:59:08,869 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f702c33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:08, skipping insertion in model container [2023-11-06 22:59:08,869 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:59:08" (1/1) ... [2023-11-06 22:59:08,903 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:59:09,267 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_0c8c33c0-3159-4634-a6f1-4186d977a3af/sv-benchmarks/c/float-newlib/double_req_bl_0480.c[5882,5895] [2023-11-06 22:59:09,284 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:59:09,306 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:59:09,419 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_0c8c33c0-3159-4634-a6f1-4186d977a3af/sv-benchmarks/c/float-newlib/double_req_bl_0480.c[5882,5895] [2023-11-06 22:59:09,430 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:59:09,461 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:59:09,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:09 WrapperNode [2023-11-06 22:59:09,462 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:59:09,464 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:59:09,465 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:59:09,465 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:59:09,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:09" (1/1) ... [2023-11-06 22:59:09,521 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:09" (1/1) ... [2023-11-06 22:59:09,581 INFO L138 Inliner]: procedures = 20, calls = 38, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 153 [2023-11-06 22:59:09,585 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:59:09,588 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:59:09,588 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:59:09,588 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:59:09,603 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:09" (1/1) ... [2023-11-06 22:59:09,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:09" (1/1) ... [2023-11-06 22:59:09,622 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:09" (1/1) ... [2023-11-06 22:59:09,626 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:09" (1/1) ... [2023-11-06 22:59:09,667 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:09" (1/1) ... [2023-11-06 22:59:09,687 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:09" (1/1) ... [2023-11-06 22:59:09,692 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:09" (1/1) ... [2023-11-06 22:59:09,707 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:09" (1/1) ... [2023-11-06 22:59:09,714 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:59:09,717 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:59:09,718 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:59:09,718 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:59:09,720 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:09" (1/1) ... [2023-11-06 22:59:09,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:59:09,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:59:09,781 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:59:09,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:59:09,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:59:09,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-06 22:59:09,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-06 22:59:09,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:59:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:59:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2023-11-06 22:59:09,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2023-11-06 22:59:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 22:59:09,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:59:09,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:59:09,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 22:59:09,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:59:10,036 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:59:10,040 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:59:35,377 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:59:35,383 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:59:35,383 INFO L302 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-06 22:59:35,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:59:35 BoogieIcfgContainer [2023-11-06 22:59:35,385 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:59:35,387 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:59:35,388 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:59:35,391 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:59:35,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:59:08" (1/3) ... [2023-11-06 22:59:35,392 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f2569e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:59:35, skipping insertion in model container [2023-11-06 22:59:35,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:59:09" (2/3) ... [2023-11-06 22:59:35,392 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f2569e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:59:35, skipping insertion in model container [2023-11-06 22:59:35,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:59:35" (3/3) ... [2023-11-06 22:59:35,394 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0480.c [2023-11-06 22:59:35,410 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:59:35,411 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:59:35,461 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:59:35,468 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;@7d0e7c74, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:59:35,468 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:59:35,473 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 69 states have (on average 1.6521739130434783) internal successors, (114), 70 states have internal predecessors, (114), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:59:35,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-06 22:59:35,481 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:59:35,482 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:59:35,482 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:59:35,490 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:35,491 INFO L85 PathProgramCache]: Analyzing trace with hash 807618303, now seen corresponding path program 1 times [2023-11-06 22:59:35,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:59:35,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1804931579] [2023-11-06 22:59:35,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:35,510 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 22:59:35,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:59:35,516 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/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 22:59:35,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/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 22:59:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:36,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:59:36,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:59:36,411 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 22:59:36,412 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:59:36,413 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:59:36,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1804931579] [2023-11-06 22:59:36,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1804931579] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:59:36,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:59:36,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:59:36,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440197175] [2023-11-06 22:59:36,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:59:36,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:59:36,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:59:36,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:59:36,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:59:36,454 INFO L87 Difference]: Start difference. First operand has 74 states, 69 states have (on average 1.6521739130434783) internal successors, (114), 70 states have internal predecessors, (114), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:59:36,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:59:36,485 INFO L93 Difference]: Finished difference Result 146 states and 236 transitions. [2023-11-06 22:59:36,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:59:36,487 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-11-06 22:59:36,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:59:36,495 INFO L225 Difference]: With dead ends: 146 [2023-11-06 22:59:36,496 INFO L226 Difference]: Without dead ends: 71 [2023-11-06 22:59:36,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 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 22:59:36,503 INFO L413 NwaCegarLoop]: 101 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, 101 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 22:59:36,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:59:36,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-11-06 22:59:36,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-11-06 22:59:36,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 67 states have (on average 1.4029850746268657) internal successors, (94), 67 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-06 22:59:36,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 98 transitions. [2023-11-06 22:59:36,546 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 98 transitions. Word has length 11 [2023-11-06 22:59:36,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:59:36,547 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 98 transitions. [2023-11-06 22:59:36,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:59:36,547 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2023-11-06 22:59:36,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-06 22:59:36,548 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:59:36,549 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:59:36,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/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)] Ended with exit code 0 [2023-11-06 22:59:36,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/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 22:59:36,765 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:59:36,765 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:36,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1074834118, now seen corresponding path program 1 times [2023-11-06 22:59:36,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:59:36,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2006257355] [2023-11-06 22:59:36,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:36,767 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 22:59:36,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:59:36,770 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/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 22:59:36,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/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 22:59:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:37,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-06 22:59:37,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:59:38,425 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 22:59:38,425 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:59:38,426 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:59:38,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2006257355] [2023-11-06 22:59:38,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2006257355] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:59:38,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:59:38,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:59:38,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562863990] [2023-11-06 22:59:38,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:59:38,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:59:38,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:59:38,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:59:38,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:59:38,431 INFO L87 Difference]: Start difference. First operand 71 states and 98 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:59:40,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:59:41,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:59:41,047 INFO L93 Difference]: Finished difference Result 80 states and 107 transitions. [2023-11-06 22:59:41,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:59:41,049 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-06 22:59:41,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:59:41,050 INFO L225 Difference]: With dead ends: 80 [2023-11-06 22:59:41,050 INFO L226 Difference]: Without dead ends: 19 [2023-11-06 22:59:41,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:59:41,053 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 22 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:59:41,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 41 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-06 22:59:41,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2023-11-06 22:59:41,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2023-11-06 22:59:41,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 18 states have internal predecessors, (20), 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 22:59:41,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2023-11-06 22:59:41,060 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 12 [2023-11-06 22:59:41,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:59:41,061 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2023-11-06 22:59:41,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:59:41,061 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2023-11-06 22:59:41,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-06 22:59:41,062 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:59:41,062 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:59:41,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/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 22:59:41,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/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 22:59:41,279 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:59:41,279 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:41,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1734297343, now seen corresponding path program 1 times [2023-11-06 22:59:41,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:59:41,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2098944965] [2023-11-06 22:59:41,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:41,281 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 22:59:41,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:59:41,282 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/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 22:59:41,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/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 22:59:42,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:42,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-06 22:59:42,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:59:42,685 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2023-11-06 22:59:46,081 INFO L322 Elim1Store]: treesize reduction 33, result has 36.5 percent of original size [2023-11-06 22:59:46,082 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 40 [2023-11-06 22:59:46,161 INFO L322 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-06 22:59:46,162 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 36 treesize of output 20 [2023-11-06 22:59:47,178 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 22:59:47,178 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:59:47,179 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:59:47,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2098944965] [2023-11-06 22:59:47,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2098944965] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:59:47,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:59:47,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:59:47,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057455943] [2023-11-06 22:59:47,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:59:47,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:59:47,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:59:47,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:59:47,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:59:47,182 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 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 22:59:49,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:59:49,878 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2023-11-06 22:59:49,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:59:49,879 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 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 22:59:49,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:59:49,880 INFO L225 Difference]: With dead ends: 28 [2023-11-06 22:59:49,880 INFO L226 Difference]: Without dead ends: 19 [2023-11-06 22:59:49,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:59:49,883 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 10 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:59:49,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 40 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-06 22:59:49,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2023-11-06 22:59:49,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2023-11-06 22:59:49,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:59:49,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2023-11-06 22:59:49,893 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 13 [2023-11-06 22:59:49,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:59:49,894 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2023-11-06 22:59:49,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 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 22:59:49,895 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2023-11-06 22:59:49,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-06 22:59:49,895 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:59:49,896 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:59:49,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/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 22:59:50,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/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 22:59:50,120 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:59:50,121 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:50,121 INFO L85 PathProgramCache]: Analyzing trace with hash 1833412902, now seen corresponding path program 1 times [2023-11-06 22:59:50,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:59:50,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2141654614] [2023-11-06 22:59:50,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:50,122 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 22:59:50,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:59:50,129 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/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 22:59:50,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/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 (5)] Waiting until timeout for monitored process [2023-11-06 22:59:50,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:50,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:59:50,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:59:50,723 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 22:59:50,724 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:59:50,724 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:59:50,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2141654614] [2023-11-06 22:59:50,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2141654614] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:59:50,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:59:50,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:59:50,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897225832] [2023-11-06 22:59:50,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:59:50,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:59:50,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:59:50,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:59:50,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:59:50,729 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 22:59:51,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:59:51,092 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2023-11-06 22:59:51,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:59:51,093 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-11-06 22:59:51,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:59:51,094 INFO L225 Difference]: With dead ends: 22 [2023-11-06 22:59:51,095 INFO L226 Difference]: Without dead ends: 19 [2023-11-06 22:59:51,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:59:51,097 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 12 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:59:51,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 34 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:59:51,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2023-11-06 22:59:51,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2023-11-06 22:59:51,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.0) internal successors, (18), 18 states have internal predecessors, (18), 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 22:59:51,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2023-11-06 22:59:51,105 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 14 [2023-11-06 22:59:51,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:59:51,105 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2023-11-06 22:59:51,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 22:59:51,106 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2023-11-06 22:59:51,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-06 22:59:51,106 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:59:51,107 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:59:51,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/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 (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:51,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/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 22:59:51,323 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:59:51,324 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:59:51,324 INFO L85 PathProgramCache]: Analyzing trace with hash 550496059, now seen corresponding path program 1 times [2023-11-06 22:59:51,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:59:51,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [287148045] [2023-11-06 22:59:51,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:59:51,325 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 22:59:51,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:59:51,327 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/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 22:59:51,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/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 (6)] Waiting until timeout for monitored process [2023-11-06 22:59:51,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:59:51,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 22:59:51,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:59:53,743 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 22:59:53,743 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:59:53,743 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:59:53,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [287148045] [2023-11-06 22:59:53,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [287148045] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:59:53,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:59:53,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:59:53,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990337803] [2023-11-06 22:59:53,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:59:53,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:59:53,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:59:53,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:59:53,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:59:53,746 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 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 22:59:56,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:59:56,034 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2023-11-06 22:59:56,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:59:56,035 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 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 18 [2023-11-06 22:59:56,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:59:56,035 INFO L225 Difference]: With dead ends: 19 [2023-11-06 22:59:56,035 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:59:56,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:59:56,037 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 20 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:59:56,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 68 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:59:56,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:59:56,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:59:56,039 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 22:59:56,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:59:56,039 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2023-11-06 22:59:56,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:59:56,040 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:59:56,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 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 22:59:56,040 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:59:56,040 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:59:56,043 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:59:56,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/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 (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:59:56,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/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 22:59:56,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:59:58,399 INFO L899 garLoopResultBuilder]: For program point __ieee754_sqrtFINAL(lines 32 140) no Hoare annotation was computed. [2023-11-06 22:59:58,399 INFO L899 garLoopResultBuilder]: For program point L52(lines 52 53) no Hoare annotation was computed. [2023-11-06 22:59:58,399 INFO L899 garLoopResultBuilder]: For program point L103(lines 103 104) no Hoare annotation was computed. [2023-11-06 22:59:58,399 INFO L899 garLoopResultBuilder]: For program point L103-2(lines 103 104) no Hoare annotation was computed. [2023-11-06 22:59:58,400 INFO L902 garLoopResultBuilder]: At program point L95-2(lines 95 111) the Hoare annotation is: true [2023-11-06 22:59:58,400 INFO L899 garLoopResultBuilder]: For program point L95-3(lines 32 140) no Hoare annotation was computed. [2023-11-06 22:59:58,400 INFO L899 garLoopResultBuilder]: For program point L120(lines 120 125) no Hoare annotation was computed. [2023-11-06 22:59:58,400 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 32 140) the Hoare annotation is: true [2023-11-06 22:59:58,401 INFO L899 garLoopResultBuilder]: For program point L71(lines 71 74) no Hoare annotation was computed. [2023-11-06 22:59:58,401 INFO L899 garLoopResultBuilder]: For program point L38-1(lines 38 43) no Hoare annotation was computed. [2023-11-06 22:59:58,401 INFO L899 garLoopResultBuilder]: For program point L71-2(lines 71 74) no Hoare annotation was computed. [2023-11-06 22:59:58,401 INFO L902 garLoopResultBuilder]: At program point L38-2(lines 38 43) the Hoare annotation is: true [2023-11-06 22:59:58,402 INFO L899 garLoopResultBuilder]: For program point L38-3(lines 32 140) no Hoare annotation was computed. [2023-11-06 22:59:58,402 INFO L899 garLoopResultBuilder]: For program point L63-2(lines 63 64) no Hoare annotation was computed. [2023-11-06 22:59:58,402 INFO L902 garLoopResultBuilder]: At program point L63-3(lines 63 64) the Hoare annotation is: true [2023-11-06 22:59:58,402 INFO L899 garLoopResultBuilder]: For program point L63-4(lines 63 64) no Hoare annotation was computed. [2023-11-06 22:59:58,402 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 122) no Hoare annotation was computed. [2023-11-06 22:59:58,403 INFO L899 garLoopResultBuilder]: For program point L121-2(lines 121 122) no Hoare annotation was computed. [2023-11-06 22:59:58,403 INFO L899 garLoopResultBuilder]: For program point L113(lines 113 127) no Hoare annotation was computed. [2023-11-06 22:59:58,403 INFO L899 garLoopResultBuilder]: For program point L130(lines 130 131) no Hoare annotation was computed. [2023-11-06 22:59:58,403 INFO L899 garLoopResultBuilder]: For program point L130-2(lines 130 131) no Hoare annotation was computed. [2023-11-06 22:59:58,403 INFO L899 garLoopResultBuilder]: For program point L98(lines 98 107) no Hoare annotation was computed. [2023-11-06 22:59:58,404 INFO L899 garLoopResultBuilder]: For program point L98-2(lines 98 107) no Hoare annotation was computed. [2023-11-06 22:59:58,404 INFO L899 garLoopResultBuilder]: For program point __ieee754_sqrtEXIT(lines 32 140) no Hoare annotation was computed. [2023-11-06 22:59:58,404 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 68) no Hoare annotation was computed. [2023-11-06 22:59:58,404 INFO L899 garLoopResultBuilder]: For program point L57-2(lines 57 68) no Hoare annotation was computed. [2023-11-06 22:59:58,405 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 126) no Hoare annotation was computed. [2023-11-06 22:59:58,405 INFO L899 garLoopResultBuilder]: For program point L49(lines 49 54) no Hoare annotation was computed. [2023-11-06 22:59:58,405 INFO L902 garLoopResultBuilder]: At program point L82-2(lines 82 92) the Hoare annotation is: true [2023-11-06 22:59:58,405 INFO L899 garLoopResultBuilder]: For program point L49-2(lines 49 54) no Hoare annotation was computed. [2023-11-06 22:59:58,405 INFO L899 garLoopResultBuilder]: For program point L82-3(lines 82 92) no Hoare annotation was computed. [2023-11-06 22:59:58,406 INFO L902 garLoopResultBuilder]: At program point L58-2(lines 58 62) the Hoare annotation is: true [2023-11-06 22:59:58,406 INFO L899 garLoopResultBuilder]: For program point L58-3(lines 58 62) no Hoare annotation was computed. [2023-11-06 22:59:58,406 INFO L899 garLoopResultBuilder]: For program point L50(lines 50 53) no Hoare annotation was computed. [2023-11-06 22:59:58,406 INFO L899 garLoopResultBuilder]: For program point L100(lines 100 101) no Hoare annotation was computed. [2023-11-06 22:59:58,407 INFO L899 garLoopResultBuilder]: For program point L133-1(lines 133 138) no Hoare annotation was computed. [2023-11-06 22:59:58,407 INFO L902 garLoopResultBuilder]: At program point L133-2(lines 133 138) the Hoare annotation is: true [2023-11-06 22:59:58,407 INFO L899 garLoopResultBuilder]: For program point L100-2(lines 100 101) no Hoare annotation was computed. [2023-11-06 22:59:58,407 INFO L899 garLoopResultBuilder]: For program point L133-3(lines 133 138) no Hoare annotation was computed. [2023-11-06 22:59:58,407 INFO L899 garLoopResultBuilder]: For program point L117(lines 117 125) no Hoare annotation was computed. [2023-11-06 22:59:58,408 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 88) no Hoare annotation was computed. [2023-11-06 22:59:58,408 INFO L899 garLoopResultBuilder]: For program point L84-2(lines 84 88) no Hoare annotation was computed. [2023-11-06 22:59:58,408 INFO L899 garLoopResultBuilder]: For program point L209-1(lines 209 214) no Hoare annotation was computed. [2023-11-06 22:59:58,408 INFO L895 garLoopResultBuilder]: At program point L209-2(lines 209 214) the Hoare annotation is: false [2023-11-06 22:59:58,408 INFO L899 garLoopResultBuilder]: For program point L209-3(lines 209 214) no Hoare annotation was computed. [2023-11-06 22:59:58,409 INFO L899 garLoopResultBuilder]: For program point L238(line 238) no Hoare annotation was computed. [2023-11-06 22:59:58,409 INFO L899 garLoopResultBuilder]: For program point L238-2(lines 238 241) no Hoare annotation was computed. [2023-11-06 22:59:58,409 INFO L895 garLoopResultBuilder]: At program point L201(line 201) the Hoare annotation is: false [2023-11-06 22:59:58,409 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 228 244) the Hoare annotation is: true [2023-11-06 22:59:58,410 INFO L899 garLoopResultBuilder]: For program point L201-1(line 201) no Hoare annotation was computed. [2023-11-06 22:59:58,410 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 168 172) no Hoare annotation was computed. [2023-11-06 22:59:58,411 INFO L895 garLoopResultBuilder]: At program point L168-2(lines 168 172) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_15| (_ BitVec 64))) (let ((.cse0 (select |#memory_int| |v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10|))) (let ((.cse1 (select .cse0 (_ bv4 32)))) (and (= (select .cse0 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_15|)) (= |ULTIMATE.start___ieee754_acos_~ix~0#1| (bvand (_ bv2147483647 32) .cse1)) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_15|) .cse1) (= |ULTIMATE.start___ieee754_acos_~x#1| (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_15|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_15|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_15|))))))) (exists ((|v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_15| (_ BitVec 64))) (let ((.cse2 (select |#memory_int| |v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10|))) (let ((.cse3 (select .cse2 (_ bv4 32)))) (and (= (select .cse2 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_15|)) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_15|) .cse3) (= |ULTIMATE.start___ieee754_acos_~x#1| (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_15|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_15|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_15|))) (= |ULTIMATE.start___ieee754_acos_~hx~0#1| .cse3))))) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_acos_~x#1| ((_ to_fp 11 53) currentRoundingMode 1.0)))) [2023-11-06 22:59:58,411 INFO L899 garLoopResultBuilder]: For program point L168-3(lines 166 180) no Hoare annotation was computed. [2023-11-06 22:59:58,411 INFO L899 garLoopResultBuilder]: For program point L193(lines 193 225) no Hoare annotation was computed. [2023-11-06 22:59:58,411 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:59:58,412 INFO L899 garLoopResultBuilder]: For program point L160-1(lines 160 164) no Hoare annotation was computed. [2023-11-06 22:59:58,412 INFO L895 garLoopResultBuilder]: At program point L160-2(lines 160 164) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_acos_~x#1| ((_ to_fp 11 53) currentRoundingMode 1.0))) [2023-11-06 22:59:58,412 INFO L899 garLoopResultBuilder]: For program point L160-3(lines 160 164) no Hoare annotation was computed. [2023-11-06 22:59:58,412 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:59:58,413 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 239) no Hoare annotation was computed. [2023-11-06 22:59:58,413 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 225) no Hoare annotation was computed. [2023-11-06 22:59:58,413 INFO L895 garLoopResultBuilder]: At program point __signbit_double_returnLabel#1(lines 18 28) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short16#1| (= |ULTIMATE.start_main_~res~0#1| (_ +zero 11 53)) (= (_ bv0 32) |ULTIMATE.start___signbit_double_#res#1|) (exists ((|v_skolemized_q#valueAsBitvector_22| (_ BitVec 64))) (and (= |ULTIMATE.start___signbit_double_~msw~0#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_22|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_22|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_22|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_22|)) (_ +zero 11 53)))) (= (_ +zero 11 53) |ULTIMATE.start___ieee754_acos_#res#1|) (= (_ +zero 11 53) |ULTIMATE.start___signbit_double_~x#1|)) [2023-11-06 22:59:58,414 INFO L899 garLoopResultBuilder]: For program point L239(line 239) no Hoare annotation was computed. [2023-11-06 22:59:58,414 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:59:58,414 INFO L899 garLoopResultBuilder]: For program point L182(lines 182 183) no Hoare annotation was computed. [2023-11-06 22:59:58,414 INFO L899 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2023-11-06 22:59:58,415 INFO L895 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short16#1| (= |ULTIMATE.start_main_~res~0#1| (_ +zero 11 53)) (= (_ +zero 11 53) |ULTIMATE.start___ieee754_acos_#res#1|) (= (_ +zero 11 53) |ULTIMATE.start___signbit_double_~x#1|)) [2023-11-06 22:59:58,415 INFO L899 garLoopResultBuilder]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2023-11-06 22:59:58,415 INFO L895 garLoopResultBuilder]: At program point L207(line 207) the Hoare annotation is: false [2023-11-06 22:59:58,415 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 177) no Hoare annotation was computed. [2023-11-06 22:59:58,415 INFO L899 garLoopResultBuilder]: For program point L207-1(line 207) no Hoare annotation was computed. [2023-11-06 22:59:58,416 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:59:58,416 INFO L899 garLoopResultBuilder]: For program point L166(lines 166 180) no Hoare annotation was computed. [2023-11-06 22:59:58,417 INFO L895 garLoopResultBuilder]: At program point __ieee754_acos_returnLabel#1(lines 157 226) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_15| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_16| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (let ((.cse0 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_16|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_16|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_16|)))) (and (= .cse0 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_15|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_15|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_15|))) (= .cse0 ((_ to_fp 11 53) currentRoundingMode 1.0)) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_16|) |ULTIMATE.start___ieee754_acos_~lx~0#1|) (= (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_15|)) |ULTIMATE.start___ieee754_acos_~ix~0#1|)))) (= (_ +zero 11 53) |ULTIMATE.start___ieee754_acos_#res#1|) (exists ((|v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_15| (_ BitVec 64))) (let ((.cse1 (select |#memory_int| |v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10|))) (let ((.cse2 (select .cse1 (_ bv4 32)))) (and (= (select .cse1 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_15|)) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_15|) .cse2) (= |ULTIMATE.start___ieee754_acos_~x#1| (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_15|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_15|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_15|))) (= |ULTIMATE.start___ieee754_acos_~hx~0#1| .cse2))))) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_acos_~x#1| ((_ to_fp 11 53) currentRoundingMode 1.0)))) [2023-11-06 22:59:58,421 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-06 22:59:58,424 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:59:58,438 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_15 : bv64, v_skolemized_q#valueAsBitvector_16 : bv64, currentRoundingMode : FloatRoundingMode :: ((~fp~64(v_skolemized_q#valueAsBitvector_16[63:63], v_skolemized_q#valueAsBitvector_16[62:52], v_skolemized_q#valueAsBitvector_16[51:0]) == ~fp~64(v_skolemized_q#valueAsBitvector_15[63:63], v_skolemized_q#valueAsBitvector_15[62:52], v_skolemized_q#valueAsBitvector_15[51:0]) && ~fp~64(v_skolemized_q#valueAsBitvector_16[63:63], v_skolemized_q#valueAsBitvector_16[62:52], v_skolemized_q#valueAsBitvector_16[51:0]) == ~to_fp~64(currentRoundingMode, 1.0)) && v_skolemized_q#valueAsBitvector_16[31:0] == ~lx~0) && ~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_15[63:32]) == ~ix~0) could not be translated [2023-11-06 22:59:58,439 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-06 22:59:58,440 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10 : bv32, v_skolemized_q#valueAsBitvector_15 : bv64 :: ((#memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][0bv32] == v_skolemized_q#valueAsBitvector_15[31:0] && v_skolemized_q#valueAsBitvector_15[63:32] == #memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][4bv32]) && ~x == ~fp~64(v_skolemized_q#valueAsBitvector_15[63:63], v_skolemized_q#valueAsBitvector_15[62:52], v_skolemized_q#valueAsBitvector_15[51:0])) && ~hx~0 == #memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][4bv32]) could not be translated [2023-11-06 22:59:58,440 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~to_fp~64(currentRoundingMode, 1.0)) could not be translated [2023-11-06 22:59:58,441 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_15 : bv64, v_skolemized_q#valueAsBitvector_16 : bv64, currentRoundingMode : FloatRoundingMode :: ((~fp~64(v_skolemized_q#valueAsBitvector_16[63:63], v_skolemized_q#valueAsBitvector_16[62:52], v_skolemized_q#valueAsBitvector_16[51:0]) == ~fp~64(v_skolemized_q#valueAsBitvector_15[63:63], v_skolemized_q#valueAsBitvector_15[62:52], v_skolemized_q#valueAsBitvector_15[51:0]) && ~fp~64(v_skolemized_q#valueAsBitvector_16[63:63], v_skolemized_q#valueAsBitvector_16[62:52], v_skolemized_q#valueAsBitvector_16[51:0]) == ~to_fp~64(currentRoundingMode, 1.0)) && v_skolemized_q#valueAsBitvector_16[31:0] == ~lx~0) && ~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_15[63:32]) == ~ix~0) could not be translated [2023-11-06 22:59:58,442 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-06 22:59:58,442 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10 : bv32, v_skolemized_q#valueAsBitvector_15 : bv64 :: ((#memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][0bv32] == v_skolemized_q#valueAsBitvector_15[31:0] && v_skolemized_q#valueAsBitvector_15[63:32] == #memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][4bv32]) && ~x == ~fp~64(v_skolemized_q#valueAsBitvector_15[63:63], v_skolemized_q#valueAsBitvector_15[62:52], v_skolemized_q#valueAsBitvector_15[51:0])) && ~hx~0 == #memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][4bv32]) could not be translated [2023-11-06 22:59:58,442 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~to_fp~64(currentRoundingMode, 1.0)) could not be translated [2023-11-06 22:59:58,443 ERROR L462 ceAbstractionStarter]: Failed to backtranslate (and (exists ((|v_skolemized_q#valueAsBitvector_15| (_ BitVec 64)) (|v_skolemized_q#valueAsBitvector_16| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (let ((.cse0 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_16|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_16|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_16|)))) (and (= .cse0 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_15|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_15|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_15|))) (= .cse0 ((_ to_fp 11 53) currentRoundingMode 1.0)) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_16|) |ULTIMATE.start___ieee754_acos_~lx~0#1|) (= (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_15|)) |ULTIMATE.start___ieee754_acos_~ix~0#1|)))) (= (_ +zero 11 53) |ULTIMATE.start___ieee754_acos_#res#1|) (exists ((|v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_15| (_ BitVec 64))) (let ((.cse1 (select |#memory_int| |v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10|))) (let ((.cse2 (select .cse1 (_ bv4 32)))) (and (= (select .cse1 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_15|)) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_15|) .cse2) (= |ULTIMATE.start___ieee754_acos_~x#1| (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_15|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_15|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_15|))) (= |ULTIMATE.start___ieee754_acos_~hx~0#1| .cse2))))) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_acos_~x#1| ((_ to_fp 11 53) currentRoundingMode 1.0)))) [2023-11-06 22:59:58,444 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10 : bv32, v_skolemized_q#valueAsBitvector_15 : bv64 :: ((#memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][0bv32] == v_skolemized_q#valueAsBitvector_15[31:0] && ~ix~0 == ~bvand~32(2147483647bv32, #memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][4bv32])) && v_skolemized_q#valueAsBitvector_15[63:32] == #memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][4bv32]) && ~x == ~fp~64(v_skolemized_q#valueAsBitvector_15[63:63], v_skolemized_q#valueAsBitvector_15[62:52], v_skolemized_q#valueAsBitvector_15[51:0])) could not be translated [2023-11-06 22:59:58,444 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10 : bv32, v_skolemized_q#valueAsBitvector_15 : bv64 :: ((#memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][0bv32] == v_skolemized_q#valueAsBitvector_15[31:0] && v_skolemized_q#valueAsBitvector_15[63:32] == #memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][4bv32]) && ~x == ~fp~64(v_skolemized_q#valueAsBitvector_15[63:63], v_skolemized_q#valueAsBitvector_15[62:52], v_skolemized_q#valueAsBitvector_15[51:0])) && ~hx~0 == #memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][4bv32]) could not be translated [2023-11-06 22:59:58,444 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~to_fp~64(currentRoundingMode, 1.0)) could not be translated [2023-11-06 22:59:58,445 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10 : bv32, v_skolemized_q#valueAsBitvector_15 : bv64 :: ((#memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][0bv32] == v_skolemized_q#valueAsBitvector_15[31:0] && ~ix~0 == ~bvand~32(2147483647bv32, #memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][4bv32])) && v_skolemized_q#valueAsBitvector_15[63:32] == #memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][4bv32]) && ~x == ~fp~64(v_skolemized_q#valueAsBitvector_15[63:63], v_skolemized_q#valueAsBitvector_15[62:52], v_skolemized_q#valueAsBitvector_15[51:0])) could not be translated [2023-11-06 22:59:58,445 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10 : bv32, v_skolemized_q#valueAsBitvector_15 : bv64 :: ((#memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][0bv32] == v_skolemized_q#valueAsBitvector_15[31:0] && v_skolemized_q#valueAsBitvector_15[63:32] == #memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][4bv32]) && ~x == ~fp~64(v_skolemized_q#valueAsBitvector_15[63:63], v_skolemized_q#valueAsBitvector_15[62:52], v_skolemized_q#valueAsBitvector_15[51:0])) && ~hx~0 == #memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][4bv32]) could not be translated [2023-11-06 22:59:58,445 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~to_fp~64(currentRoundingMode, 1.0)) could not be translated [2023-11-06 22:59:58,446 ERROR L462 ceAbstractionStarter]: Failed to backtranslate (and (exists ((|v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_15| (_ BitVec 64))) (let ((.cse0 (select |#memory_int| |v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10|))) (let ((.cse1 (select .cse0 (_ bv4 32)))) (and (= (select .cse0 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_15|)) (= |ULTIMATE.start___ieee754_acos_~ix~0#1| (bvand (_ bv2147483647 32) .cse1)) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_15|) .cse1) (= |ULTIMATE.start___ieee754_acos_~x#1| (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_15|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_15|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_15|))))))) (exists ((|v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_15| (_ BitVec 64))) (let ((.cse2 (select |#memory_int| |v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10|))) (let ((.cse3 (select .cse2 (_ bv4 32)))) (and (= (select .cse2 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_15|)) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_15|) .cse3) (= |ULTIMATE.start___ieee754_acos_~x#1| (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_15|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_15|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_15|))) (= |ULTIMATE.start___ieee754_acos_~hx~0#1| .cse3))))) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_acos_~x#1| ((_ to_fp 11 53) currentRoundingMode 1.0)))) [2023-11-06 22:59:58,446 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~to_fp~64(currentRoundingMode, 1.0)) could not be translated [2023-11-06 22:59:58,447 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~to_fp~64(currentRoundingMode, 1.0)) could not be translated [2023-11-06 22:59:58,447 ERROR L462 ceAbstractionStarter]: Failed to backtranslate (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_acos_~x#1| ((_ to_fp 11 53) currentRoundingMode 1.0))) [2023-11-06 22:59:58,448 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-06 22:59:58,448 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_22 : bv64 :: ~msw~0 == v_skolemized_q#valueAsBitvector_22[63:32] && ~fp~64(v_skolemized_q#valueAsBitvector_22[63:63], v_skolemized_q#valueAsBitvector_22[62:52], v_skolemized_q#valueAsBitvector_22[51:0]) == ~Pluszero~64()) could not be translated [2023-11-06 22:59:58,448 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-06 22:59:58,449 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-06 22:59:58,449 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-06 22:59:58,450 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_22 : bv64 :: ~msw~0 == v_skolemized_q#valueAsBitvector_22[63:32] && ~fp~64(v_skolemized_q#valueAsBitvector_22[63:63], v_skolemized_q#valueAsBitvector_22[62:52], v_skolemized_q#valueAsBitvector_22[51:0]) == ~Pluszero~64()) could not be translated [2023-11-06 22:59:58,450 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-06 22:59:58,450 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-06 22:59:58,451 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-06 22:59:58,451 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-06 22:59:58,451 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-06 22:59:58,451 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-06 22:59:58,452 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-06 22:59:58,452 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-06 22:59:58,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:59:58 BoogieIcfgContainer [2023-11-06 22:59:58,453 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:59:58,454 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:59:58,454 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:59:58,454 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:59:58,455 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:59:35" (3/4) ... [2023-11-06 22:59:58,457 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:59:58,462 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrt [2023-11-06 22:59:58,472 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2023-11-06 22:59:58,473 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-06 22:59:58,474 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-06 22:59:58,475 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:59:58,519 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (org.eclipse.cdt.internal.core.dom.parser.c.CASTBinaryExpression@275f447e && (0 == \result)) [2023-11-06 22:59:58,593 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (org.eclipse.cdt.internal.core.dom.parser.c.CASTBinaryExpression@275f447e && (0 == \result)) [2023-11-06 22:59:58,618 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:59:58,619 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:59:58,619 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:59:58,620 INFO L158 Benchmark]: Toolchain (without parser) took 49761.13ms. Allocated memory was 75.5MB in the beginning and 104.9MB in the end (delta: 29.4MB). Free memory was 51.8MB in the beginning and 59.8MB in the end (delta: -8.0MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2023-11-06 22:59:58,620 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 75.5MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:59:58,621 INFO L158 Benchmark]: CACSL2BoogieTranslator took 601.81ms. Allocated memory was 75.5MB in the beginning and 104.9MB in the end (delta: 29.4MB). Free memory was 51.4MB in the beginning and 82.2MB in the end (delta: -30.7MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2023-11-06 22:59:58,621 INFO L158 Benchmark]: Boogie Procedure Inliner took 121.63ms. Allocated memory is still 104.9MB. Free memory was 82.2MB in the beginning and 80.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:59:58,622 INFO L158 Benchmark]: Boogie Preprocessor took 126.39ms. Allocated memory is still 104.9MB. Free memory was 80.1MB in the beginning and 77.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:59:58,622 INFO L158 Benchmark]: RCFGBuilder took 25668.68ms. Allocated memory is still 104.9MB. Free memory was 77.2MB in the beginning and 79.8MB in the end (delta: -2.6MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2023-11-06 22:59:58,623 INFO L158 Benchmark]: TraceAbstraction took 23065.39ms. Allocated memory is still 104.9MB. Free memory was 79.3MB in the beginning and 66.1MB in the end (delta: 13.2MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2023-11-06 22:59:58,623 INFO L158 Benchmark]: Witness Printer took 165.84ms. Allocated memory is still 104.9MB. Free memory was 66.1MB in the beginning and 59.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-06 22:59:58,626 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 75.5MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 601.81ms. Allocated memory was 75.5MB in the beginning and 104.9MB in the end (delta: 29.4MB). Free memory was 51.4MB in the beginning and 82.2MB in the end (delta: -30.7MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 121.63ms. Allocated memory is still 104.9MB. Free memory was 82.2MB in the beginning and 80.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 126.39ms. Allocated memory is still 104.9MB. Free memory was 80.1MB in the beginning and 77.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 25668.68ms. Allocated memory is still 104.9MB. Free memory was 77.2MB in the beginning and 79.8MB in the end (delta: -2.6MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. * TraceAbstraction took 23065.39ms. Allocated memory is still 104.9MB. Free memory was 79.3MB in the beginning and 66.1MB in the end (delta: 13.2MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Witness Printer took 165.84ms. Allocated memory is still 104.9MB. Free memory was 66.1MB in the beginning and 59.8MB in the end (delta: 6.3MB). 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: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_15 : bv64, v_skolemized_q#valueAsBitvector_16 : bv64, currentRoundingMode : FloatRoundingMode :: ((~fp~64(v_skolemized_q#valueAsBitvector_16[63:63], v_skolemized_q#valueAsBitvector_16[62:52], v_skolemized_q#valueAsBitvector_16[51:0]) == ~fp~64(v_skolemized_q#valueAsBitvector_15[63:63], v_skolemized_q#valueAsBitvector_15[62:52], v_skolemized_q#valueAsBitvector_15[51:0]) && ~fp~64(v_skolemized_q#valueAsBitvector_16[63:63], v_skolemized_q#valueAsBitvector_16[62:52], v_skolemized_q#valueAsBitvector_16[51:0]) == ~to_fp~64(currentRoundingMode, 1.0)) && v_skolemized_q#valueAsBitvector_16[31:0] == ~lx~0) && ~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_15[63:32]) == ~ix~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10 : bv32, v_skolemized_q#valueAsBitvector_15 : bv64 :: ((#memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][0bv32] == v_skolemized_q#valueAsBitvector_15[31:0] && v_skolemized_q#valueAsBitvector_15[63:32] == #memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][4bv32]) && ~x == ~fp~64(v_skolemized_q#valueAsBitvector_15[63:63], v_skolemized_q#valueAsBitvector_15[62:52], v_skolemized_q#valueAsBitvector_15[51:0])) && ~hx~0 == #memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][4bv32]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~to_fp~64(currentRoundingMode, 1.0)) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_15 : bv64, v_skolemized_q#valueAsBitvector_16 : bv64, currentRoundingMode : FloatRoundingMode :: ((~fp~64(v_skolemized_q#valueAsBitvector_16[63:63], v_skolemized_q#valueAsBitvector_16[62:52], v_skolemized_q#valueAsBitvector_16[51:0]) == ~fp~64(v_skolemized_q#valueAsBitvector_15[63:63], v_skolemized_q#valueAsBitvector_15[62:52], v_skolemized_q#valueAsBitvector_15[51:0]) && ~fp~64(v_skolemized_q#valueAsBitvector_16[63:63], v_skolemized_q#valueAsBitvector_16[62:52], v_skolemized_q#valueAsBitvector_16[51:0]) == ~to_fp~64(currentRoundingMode, 1.0)) && v_skolemized_q#valueAsBitvector_16[31:0] == ~lx~0) && ~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_15[63:32]) == ~ix~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10 : bv32, v_skolemized_q#valueAsBitvector_15 : bv64 :: ((#memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][0bv32] == v_skolemized_q#valueAsBitvector_15[31:0] && v_skolemized_q#valueAsBitvector_15[63:32] == #memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][4bv32]) && ~x == ~fp~64(v_skolemized_q#valueAsBitvector_15[63:63], v_skolemized_q#valueAsBitvector_15[62:52], v_skolemized_q#valueAsBitvector_15[51:0])) && ~hx~0 == #memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][4bv32]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~to_fp~64(currentRoundingMode, 1.0)) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10 : bv32, v_skolemized_q#valueAsBitvector_15 : bv64 :: ((#memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][0bv32] == v_skolemized_q#valueAsBitvector_15[31:0] && ~ix~0 == ~bvand~32(2147483647bv32, #memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][4bv32])) && v_skolemized_q#valueAsBitvector_15[63:32] == #memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][4bv32]) && ~x == ~fp~64(v_skolemized_q#valueAsBitvector_15[63:63], v_skolemized_q#valueAsBitvector_15[62:52], v_skolemized_q#valueAsBitvector_15[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10 : bv32, v_skolemized_q#valueAsBitvector_15 : bv64 :: ((#memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][0bv32] == v_skolemized_q#valueAsBitvector_15[31:0] && v_skolemized_q#valueAsBitvector_15[63:32] == #memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][4bv32]) && ~x == ~fp~64(v_skolemized_q#valueAsBitvector_15[63:63], v_skolemized_q#valueAsBitvector_15[62:52], v_skolemized_q#valueAsBitvector_15[51:0])) && ~hx~0 == #memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][4bv32]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~to_fp~64(currentRoundingMode, 1.0)) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10 : bv32, v_skolemized_q#valueAsBitvector_15 : bv64 :: ((#memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][0bv32] == v_skolemized_q#valueAsBitvector_15[31:0] && ~ix~0 == ~bvand~32(2147483647bv32, #memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][4bv32])) && v_skolemized_q#valueAsBitvector_15[63:32] == #memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][4bv32]) && ~x == ~fp~64(v_skolemized_q#valueAsBitvector_15[63:63], v_skolemized_q#valueAsBitvector_15[62:52], v_skolemized_q#valueAsBitvector_15[51:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10 : bv32, v_skolemized_q#valueAsBitvector_15 : bv64 :: ((#memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][0bv32] == v_skolemized_q#valueAsBitvector_15[31:0] && v_skolemized_q#valueAsBitvector_15[63:32] == #memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][4bv32]) && ~x == ~fp~64(v_skolemized_q#valueAsBitvector_15[63:63], v_skolemized_q#valueAsBitvector_15[62:52], v_skolemized_q#valueAsBitvector_15[51:0])) && ~hx~0 == #memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][4bv32]) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~to_fp~64(currentRoundingMode, 1.0)) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~to_fp~64(currentRoundingMode, 1.0)) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~to_fp~64(currentRoundingMode, 1.0)) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_22 : bv64 :: ~msw~0 == v_skolemized_q#valueAsBitvector_22[63:32] && ~fp~64(v_skolemized_q#valueAsBitvector_22[63:63], v_skolemized_q#valueAsBitvector_22[62:52], v_skolemized_q#valueAsBitvector_22[51:0]) == ~Pluszero~64()) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_22 : bv64 :: ~msw~0 == v_skolemized_q#valueAsBitvector_22[63:32] && ~fp~64(v_skolemized_q#valueAsBitvector_22[63:63], v_skolemized_q#valueAsBitvector_22[62:52], v_skolemized_q#valueAsBitvector_22[51:0]) == ~Pluszero~64()) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 * 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: 239]: 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, 74 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 23.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 64 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 64 mSDsluCounter, 284 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 130 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 154 mSDtfsCounter, 53 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 9.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 37 PreInvPairs, 43 NumberOfFragments, 216 HoareAnnotationTreeSize, 37 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 16 FomulaSimplificationsInter, 108 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 9.2s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 63 ConstructedInterpolants, 13 QuantifiedInterpolants, 399 SizeOfPredicates, 25 NumberOfNonLiveVariables, 327 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 95]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 157]: Loop Invariant [2023-11-06 22:59:58,659 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_15 : bv64, v_skolemized_q#valueAsBitvector_16 : bv64, currentRoundingMode : FloatRoundingMode :: ((~fp~64(v_skolemized_q#valueAsBitvector_16[63:63], v_skolemized_q#valueAsBitvector_16[62:52], v_skolemized_q#valueAsBitvector_16[51:0]) == ~fp~64(v_skolemized_q#valueAsBitvector_15[63:63], v_skolemized_q#valueAsBitvector_15[62:52], v_skolemized_q#valueAsBitvector_15[51:0]) && ~fp~64(v_skolemized_q#valueAsBitvector_16[63:63], v_skolemized_q#valueAsBitvector_16[62:52], v_skolemized_q#valueAsBitvector_16[51:0]) == ~to_fp~64(currentRoundingMode, 1.0)) && v_skolemized_q#valueAsBitvector_16[31:0] == ~lx~0) && ~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_15[63:32]) == ~ix~0) could not be translated [2023-11-06 22:59:58,664 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-06 22:59:58,665 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10 : bv32, v_skolemized_q#valueAsBitvector_15 : bv64 :: ((#memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][0bv32] == v_skolemized_q#valueAsBitvector_15[31:0] && v_skolemized_q#valueAsBitvector_15[63:32] == #memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][4bv32]) && ~x == ~fp~64(v_skolemized_q#valueAsBitvector_15[63:63], v_skolemized_q#valueAsBitvector_15[62:52], v_skolemized_q#valueAsBitvector_15[51:0])) && ~hx~0 == #memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][4bv32]) could not be translated [2023-11-06 22:59:58,665 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~to_fp~64(currentRoundingMode, 1.0)) could not be translated [2023-11-06 22:59:58,666 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_15 : bv64, v_skolemized_q#valueAsBitvector_16 : bv64, currentRoundingMode : FloatRoundingMode :: ((~fp~64(v_skolemized_q#valueAsBitvector_16[63:63], v_skolemized_q#valueAsBitvector_16[62:52], v_skolemized_q#valueAsBitvector_16[51:0]) == ~fp~64(v_skolemized_q#valueAsBitvector_15[63:63], v_skolemized_q#valueAsBitvector_15[62:52], v_skolemized_q#valueAsBitvector_15[51:0]) && ~fp~64(v_skolemized_q#valueAsBitvector_16[63:63], v_skolemized_q#valueAsBitvector_16[62:52], v_skolemized_q#valueAsBitvector_16[51:0]) == ~to_fp~64(currentRoundingMode, 1.0)) && v_skolemized_q#valueAsBitvector_16[31:0] == ~lx~0) && ~bvand~32(2147483647bv32, v_skolemized_q#valueAsBitvector_15[63:32]) == ~ix~0) could not be translated [2023-11-06 22:59:58,666 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-06 22:59:58,666 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10 : bv32, v_skolemized_q#valueAsBitvector_15 : bv64 :: ((#memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][0bv32] == v_skolemized_q#valueAsBitvector_15[31:0] && v_skolemized_q#valueAsBitvector_15[63:32] == #memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][4bv32]) && ~x == ~fp~64(v_skolemized_q#valueAsBitvector_15[63:63], v_skolemized_q#valueAsBitvector_15[62:52], v_skolemized_q#valueAsBitvector_15[51:0])) && ~hx~0 == #memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][4bv32]) could not be translated [2023-11-06 22:59:58,666 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~to_fp~64(currentRoundingMode, 1.0)) could not be translated Derived loop invariant: NULL - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 168]: Loop Invariant [2023-11-06 22:59:58,667 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10 : bv32, v_skolemized_q#valueAsBitvector_15 : bv64 :: ((#memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][0bv32] == v_skolemized_q#valueAsBitvector_15[31:0] && ~ix~0 == ~bvand~32(2147483647bv32, #memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][4bv32])) && v_skolemized_q#valueAsBitvector_15[63:32] == #memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][4bv32]) && ~x == ~fp~64(v_skolemized_q#valueAsBitvector_15[63:63], v_skolemized_q#valueAsBitvector_15[62:52], v_skolemized_q#valueAsBitvector_15[51:0])) could not be translated [2023-11-06 22:59:58,667 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10 : bv32, v_skolemized_q#valueAsBitvector_15 : bv64 :: ((#memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][0bv32] == v_skolemized_q#valueAsBitvector_15[31:0] && v_skolemized_q#valueAsBitvector_15[63:32] == #memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][4bv32]) && ~x == ~fp~64(v_skolemized_q#valueAsBitvector_15[63:63], v_skolemized_q#valueAsBitvector_15[62:52], v_skolemized_q#valueAsBitvector_15[51:0])) && ~hx~0 == #memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][4bv32]) could not be translated [2023-11-06 22:59:58,667 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~to_fp~64(currentRoundingMode, 1.0)) could not be translated [2023-11-06 22:59:58,668 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10 : bv32, v_skolemized_q#valueAsBitvector_15 : bv64 :: ((#memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][0bv32] == v_skolemized_q#valueAsBitvector_15[31:0] && ~ix~0 == ~bvand~32(2147483647bv32, #memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][4bv32])) && v_skolemized_q#valueAsBitvector_15[63:32] == #memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][4bv32]) && ~x == ~fp~64(v_skolemized_q#valueAsBitvector_15[63:63], v_skolemized_q#valueAsBitvector_15[62:52], v_skolemized_q#valueAsBitvector_15[51:0])) could not be translated [2023-11-06 22:59:58,668 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10 : bv32, v_skolemized_q#valueAsBitvector_15 : bv64 :: ((#memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][0bv32] == v_skolemized_q#valueAsBitvector_15[31:0] && v_skolemized_q#valueAsBitvector_15[63:32] == #memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][4bv32]) && ~x == ~fp~64(v_skolemized_q#valueAsBitvector_15[63:63], v_skolemized_q#valueAsBitvector_15[62:52], v_skolemized_q#valueAsBitvector_15[51:0])) && ~hx~0 == #memory_int[v_ULTIMATE.start___ieee754_acos_~#gh_u~1#1.base_10][4bv32]) could not be translated [2023-11-06 22:59:58,668 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~to_fp~64(currentRoundingMode, 1.0)) could not be translated Derived loop invariant: NULL - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 160]: Loop Invariant [2023-11-06 22:59:58,668 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~to_fp~64(currentRoundingMode, 1.0)) could not be translated [2023-11-06 22:59:58,669 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~x == ~to_fp~64(currentRoundingMode, 1.0)) could not be translated Derived loop invariant: NULL - InvariantResult [Line: 18]: Loop Invariant [2023-11-06 22:59:58,669 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-06 22:59:58,669 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_22 : bv64 :: ~msw~0 == v_skolemized_q#valueAsBitvector_22[63:32] && ~fp~64(v_skolemized_q#valueAsBitvector_22[63:63], v_skolemized_q#valueAsBitvector_22[62:52], v_skolemized_q#valueAsBitvector_22[51:0]) == ~Pluszero~64()) could not be translated [2023-11-06 22:59:58,669 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-06 22:59:58,669 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-06 22:59:58,670 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-06 22:59:58,670 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_22 : bv64 :: ~msw~0 == v_skolemized_q#valueAsBitvector_22[63:32] && ~fp~64(v_skolemized_q#valueAsBitvector_22[63:63], v_skolemized_q#valueAsBitvector_22[62:52], v_skolemized_q#valueAsBitvector_22[51:0]) == ~Pluszero~64()) could not be translated [2023-11-06 22:59:58,670 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-06 22:59:58,673 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 Derived loop invariant: (org.eclipse.cdt.internal.core.dom.parser.c.CASTBinaryExpression@275f447e && (0 == \result)) - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 21]: Loop Invariant [2023-11-06 22:59:58,673 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-06 22:59:58,674 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-06 22:59:58,674 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-06 22:59:58,674 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-06 22:59:58,674 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-11-06 22:59:58,674 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 Derived loop invariant: org.eclipse.cdt.internal.core.dom.parser.c.CASTBinaryExpression@275f447e - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-06 22:59:58,904 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-11-06 22:59:59,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8c33c0-3159-4634-a6f1-4186d977a3af/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE