./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0220a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0220a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 773bbca038537ae7ec3a3662d99448ead5cd69b97e8020514eb4577bae8c0d52 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:09:27,139 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:09:27,265 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 07:09:27,275 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:09:27,276 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:09:27,324 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:09:27,325 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:09:27,326 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:09:27,327 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:09:27,328 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:09:27,329 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:09:27,330 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:09:27,331 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:09:27,334 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:09:27,335 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:09:27,335 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:09:27,336 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:09:27,336 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:09:27,337 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:09:27,337 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:09:27,338 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:09:27,342 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:09:27,343 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:09:27,344 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:09:27,344 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:09:27,345 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:09:27,345 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:09:27,347 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:09:27,348 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:09:27,349 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:09:27,349 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:09:27,349 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:09:27,350 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:09:27,350 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:09:27,351 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:09:27,351 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:09:27,353 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:09:27,354 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:09:27,354 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:09:27,354 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:09:27,355 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:09:27,355 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:09:27,356 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:09:27,356 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:09:27,357 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:09:27,357 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:09:27,358 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:09:27,358 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 773bbca038537ae7ec3a3662d99448ead5cd69b97e8020514eb4577bae8c0d52 [2024-11-09 07:09:27,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:09:27,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:09:27,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:09:27,809 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:09:27,809 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:09:27,811 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/float-newlib/float_req_bl_0220a.c Unable to find full path for "g++" [2024-11-09 07:09:30,363 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:09:30,640 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:09:30,641 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/sv-benchmarks/c/float-newlib/float_req_bl_0220a.c [2024-11-09 07:09:30,660 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/data/b918b7b1c/bbe04d63faf542f9b10c5944b214de83/FLAG32530bafe [2024-11-09 07:09:30,674 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/data/b918b7b1c/bbe04d63faf542f9b10c5944b214de83 [2024-11-09 07:09:30,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:09:30,679 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:09:30,681 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:09:30,681 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:09:30,687 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:09:30,688 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:09:30" (1/1) ... [2024-11-09 07:09:30,689 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12982953 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:30, skipping insertion in model container [2024-11-09 07:09:30,690 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:09:30" (1/1) ... [2024-11-09 07:09:30,735 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:09:31,127 WARN L250 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_5fe65f44-ccae-4559-ae2d-7321a6e015f4/sv-benchmarks/c/float-newlib/float_req_bl_0220a.c[15843,15856] [2024-11-09 07:09:31,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:09:31,180 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:09:31,314 WARN L250 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_5fe65f44-ccae-4559-ae2d-7321a6e015f4/sv-benchmarks/c/float-newlib/float_req_bl_0220a.c[15843,15856] [2024-11-09 07:09:31,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:09:31,393 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:09:31,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:31 WrapperNode [2024-11-09 07:09:31,394 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:09:31,396 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:09:31,396 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:09:31,396 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:09:31,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:31" (1/1) ... [2024-11-09 07:09:31,433 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:31" (1/1) ... [2024-11-09 07:09:31,506 INFO L138 Inliner]: procedures = 26, calls = 495, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1194 [2024-11-09 07:09:31,506 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:09:31,507 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:09:31,507 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:09:31,507 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:09:31,522 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:31" (1/1) ... [2024-11-09 07:09:31,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:31" (1/1) ... [2024-11-09 07:09:31,533 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:31" (1/1) ... [2024-11-09 07:09:31,534 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:31" (1/1) ... [2024-11-09 07:09:31,582 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:31" (1/1) ... [2024-11-09 07:09:31,617 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:31" (1/1) ... [2024-11-09 07:09:31,627 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:31" (1/1) ... [2024-11-09 07:09:31,633 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:31" (1/1) ... [2024-11-09 07:09:31,645 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:09:31,646 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:09:31,646 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:09:31,647 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:09:31,648 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:31" (1/1) ... [2024-11-09 07:09:31,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:09:31,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:09:31,733 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:09:31,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:09:31,775 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2024-11-09 07:09:31,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2024-11-09 07:09:31,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:09:31,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 07:09:31,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-09 07:09:31,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 07:09:31,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-09 07:09:31,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 07:09:31,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-09 07:09:31,777 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2024-11-09 07:09:31,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2024-11-09 07:09:31,777 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2024-11-09 07:09:31,778 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2024-11-09 07:09:31,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 07:09:31,778 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2024-11-09 07:09:31,778 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2024-11-09 07:09:31,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:09:31,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:09:31,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:09:31,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 07:09:31,985 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:09:31,991 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:09:38,298 INFO L? ?]: Removed 268 outVars from TransFormulas that were not future-live. [2024-11-09 07:09:38,299 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:09:38,991 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:09:38,993 INFO L316 CfgBuilder]: Removed 43 assume(true) statements. [2024-11-09 07:09:38,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:09:38 BoogieIcfgContainer [2024-11-09 07:09:38,994 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:09:39,000 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:09:39,000 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:09:39,005 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:09:39,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:09:30" (1/3) ... [2024-11-09 07:09:39,007 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a38df13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:09:39, skipping insertion in model container [2024-11-09 07:09:39,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:09:31" (2/3) ... [2024-11-09 07:09:39,010 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a38df13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:09:39, skipping insertion in model container [2024-11-09 07:09:39,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:09:38" (3/3) ... [2024-11-09 07:09:39,012 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0220a.c [2024-11-09 07:09:39,036 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:09:39,037 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:09:39,130 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:09:39,142 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@44709614, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:09:39,143 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:09:39,152 INFO L276 IsEmpty]: Start isEmpty. Operand has 207 states, 189 states have (on average 1.6507936507936507) internal successors, (312), 190 states have internal predecessors, (312), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 07:09:39,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 07:09:39,163 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:09:39,164 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:09:39,165 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:09:39,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:09:39,175 INFO L85 PathProgramCache]: Analyzing trace with hash -964920684, now seen corresponding path program 1 times [2024-11-09 07:09:39,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:09:39,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091561435] [2024-11-09 07:09:39,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:09:39,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:10:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:10:04,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:10:04,477 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 07:10:04,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091561435] [2024-11-09 07:10:04,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091561435] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:10:04,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:10:04,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:10:04,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872928651] [2024-11-09 07:10:04,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:10:04,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 07:10:04,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 07:10:04,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 07:10:04,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 07:10:04,518 INFO L87 Difference]: Start difference. First operand has 207 states, 189 states have (on average 1.6507936507936507) internal successors, (312), 190 states have internal predecessors, (312), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:10:06,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 07:10:07,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:10:07,100 INFO L93 Difference]: Finished difference Result 413 states and 683 transitions. [2024-11-09 07:10:07,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 07:10:07,106 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-09 07:10:07,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:10:07,117 INFO L225 Difference]: With dead ends: 413 [2024-11-09 07:10:07,117 INFO L226 Difference]: Without dead ends: 205 [2024-11-09 07:10:07,121 INFO L431 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 [2024-11-09 07:10:07,124 INFO L432 NwaCegarLoop]: 264 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-09 07:10:07,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 264 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2024-11-09 07:10:07,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-09 07:10:07,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2024-11-09 07:10:07,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 188 states have (on average 1.4148936170212767) internal successors, (266), 188 states have internal predecessors, (266), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 07:10:07,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 290 transitions. [2024-11-09 07:10:07,189 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 290 transitions. Word has length 9 [2024-11-09 07:10:07,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:10:07,189 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 290 transitions. [2024-11-09 07:10:07,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:10:07,190 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 290 transitions. [2024-11-09 07:10:07,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 07:10:07,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:10:07,191 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:10:07,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 07:10:07,192 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:10:07,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:10:07,192 INFO L85 PathProgramCache]: Analyzing trace with hash -410980127, now seen corresponding path program 1 times [2024-11-09 07:10:07,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:10:07,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528552219] [2024-11-09 07:10:07,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:10:07,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:10:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:10:28,508 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 07:10:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:10:28,891 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 07:10:28,891 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 07:10:28,893 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 07:10:28,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 07:10:28,900 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 07:10:28,954 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:10:28,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:10:28 BoogieIcfgContainer [2024-11-09 07:10:28,957 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:10:28,958 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:10:28,958 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:10:28,958 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:10:28,959 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:09:38" (3/4) ... [2024-11-09 07:10:28,963 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 07:10:28,964 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:10:28,967 INFO L158 Benchmark]: Toolchain (without parser) took 58286.11ms. Allocated memory was 136.3MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 100.1MB in the beginning and 682.1MB in the end (delta: -582.0MB). Peak memory consumption was 818.3MB. Max. memory is 16.1GB. [2024-11-09 07:10:28,967 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 136.3MB. Free memory is still 109.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:10:28,968 INFO L158 Benchmark]: CACSL2BoogieTranslator took 713.93ms. Allocated memory is still 136.3MB. Free memory was 99.7MB in the beginning and 69.1MB in the end (delta: 30.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-09 07:10:28,971 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.84ms. Allocated memory is still 136.3MB. Free memory was 69.1MB in the beginning and 61.2MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 07:10:28,972 INFO L158 Benchmark]: Boogie Preprocessor took 138.31ms. Allocated memory is still 136.3MB. Free memory was 61.2MB in the beginning and 54.0MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 07:10:28,972 INFO L158 Benchmark]: RCFGBuilder took 7348.40ms. Allocated memory was 136.3MB in the beginning and 213.9MB in the end (delta: 77.6MB). Free memory was 54.0MB in the beginning and 105.6MB in the end (delta: -51.5MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. [2024-11-09 07:10:28,973 INFO L158 Benchmark]: TraceAbstraction took 49957.14ms. Allocated memory was 213.9MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 104.5MB in the beginning and 682.1MB in the end (delta: -577.6MB). Peak memory consumption was 743.6MB. Max. memory is 16.1GB. [2024-11-09 07:10:28,973 INFO L158 Benchmark]: Witness Printer took 6.54ms. Allocated memory is still 1.5GB. Free memory is still 682.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:10:28,977 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 136.3MB. Free memory is still 109.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 713.93ms. Allocated memory is still 136.3MB. Free memory was 99.7MB in the beginning and 69.1MB in the end (delta: 30.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.84ms. Allocated memory is still 136.3MB. Free memory was 69.1MB in the beginning and 61.2MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 138.31ms. Allocated memory is still 136.3MB. Free memory was 61.2MB in the beginning and 54.0MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 7348.40ms. Allocated memory was 136.3MB in the beginning and 213.9MB in the end (delta: 77.6MB). Free memory was 54.0MB in the beginning and 105.6MB in the end (delta: -51.5MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. * TraceAbstraction took 49957.14ms. Allocated memory was 213.9MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 104.5MB in the beginning and 682.1MB in the end (delta: -577.6MB). Peak memory consumption was 743.6MB. Max. memory is 16.1GB. * Witness Printer took 6.54ms. Allocated memory is still 1.5GB. Free memory is still 682.1MB. 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: 629]: 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 someBinaryFLOATComparisonOperation at line 628, overapproximation of someUnaryDOUBLEoperation at line 507, overapproximation of someBinaryArithmeticFLOAToperation at line 599. Possible FailurePath: [L13] static const float huge_floor = 1.0e30; [L90-L92] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L165] static const int init_jk_krempio[] = {4, 7, 9}; [L167-L171] static const float PIo2_krempio[] = { 1.5703125000e+00, 4.5776367188e-04, 2.5987625122e-05, 7.5437128544e-08, 6.0026650317e-11, 7.3896444519e-13, 5.3845816694e-15, 5.6378512969e-18, 8.3009228831e-20, 3.2756352257e-22, 6.3331015649e-25, }; [L173-L175] static const float zero_krempio = 0.0, one_krempio = 1.0, two8_krempio = 2.5600000000e+02, twon8_krempio = 3.9062500000e-03; [L350-L368] static const __int32_t two_over_pi_rempio[] = { 0xA2, 0xF9, 0x83, 0x6E, 0x4E, 0x44, 0x15, 0x29, 0xFC, 0x27, 0x57, 0xD1, 0xF5, 0x34, 0xDD, 0xC0, 0xDB, 0x62, 0x95, 0x99, 0x3C, 0x43, 0x90, 0x41, 0xFE, 0x51, 0x63, 0xAB, 0xDE, 0xBB, 0xC5, 0x61, 0xB7, 0x24, 0x6E, 0x3A, 0x42, 0x4D, 0xD2, 0xE0, 0x06, 0x49, 0x2E, 0xEA, 0x09, 0xD1, 0x92, 0x1C, 0xFE, 0x1D, 0xEB, 0x1C, 0xB1, 0x29, 0xA7, 0x3E, 0xE8, 0x82, 0x35, 0xF5, 0x2E, 0xBB, 0x44, 0x84, 0xE9, 0x9C, 0x70, 0x26, 0xB4, 0x5F, 0x7E, 0x41, 0x39, 0x91, 0xD6, 0x39, 0x83, 0x53, 0x39, 0xF4, 0x9C, 0x84, 0x5F, 0x8B, 0xBD, 0xF9, 0x28, 0x3B, 0x1F, 0xF8, 0x97, 0xFF, 0xDE, 0x05, 0x98, 0x0F, 0xEF, 0x2F, 0x11, 0x8B, 0x5A, 0x0A, 0x6D, 0x1F, 0x6D, 0x36, 0x7E, 0xCF, 0x27, 0xCB, 0x09, 0xB7, 0x4F, 0x46, 0x3F, 0x66, 0x9E, 0x5F, 0xEA, 0x2D, 0x75, 0x27, 0xBA, 0xC7, 0xEB, 0xE5, 0xF1, 0x7B, 0x3D, 0x07, 0x39, 0xF7, 0x8A, 0x52, 0x92, 0xEA, 0x6B, 0xFB, 0x5F, 0xB1, 0x1F, 0x8D, 0x5D, 0x08, 0x56, 0x03, 0x30, 0x46, 0xFC, 0x7B, 0x6B, 0xAB, 0xF0, 0xCF, 0xBC, 0x20, 0x9A, 0xF4, 0x36, 0x1D, 0xA9, 0xE3, 0x91, 0x61, 0x5E, 0xE6, 0x1B, 0x08, 0x65, 0x99, 0x85, 0x5F, 0x14, 0xA0, 0x68, 0x40, 0x8D, 0xFF, 0xD8, 0x80, 0x4D, 0x73, 0x27, 0x31, 0x06, 0x06, 0x15, 0x56, 0xCA, 0x73, 0xA8, 0xC9, 0x60, 0xE2, 0x7B, 0xC0, 0x8C, 0x6B, }; [L370-L376] static const __int32_t npio2_hw_rempio[] = { 0x3fc90f00, 0x40490f00, 0x4096cb00, 0x40c90f00, 0x40fb5300, 0x4116cb00, 0x412fed00, 0x41490f00, 0x41623100, 0x417b5300, 0x418a3a00, 0x4196cb00, 0x41a35c00, 0x41afed00, 0x41bc7e00, 0x41c90f00, 0x41d5a000, 0x41e23100, 0x41eec200, 0x41fb5300, 0x4203f200, 0x420a3a00, 0x42108300, 0x4216cb00, 0x421d1400, 0x42235c00, 0x4229a500, 0x422fed00, 0x42363600, 0x423c7e00, 0x4242c700, 0x42490f00}; [L378-L387] static const float zero_rempio = 0.0000000000e+00, half_rempio = 5.0000000000e-01, two8_rempio = 2.5600000000e+02, invpio2_rempio = 6.3661980629e-01, pio2_1_rempio = 1.5707855225e+00, pio2_1t_rempio = 1.0804334124e-05, pio2_2_rempio = 1.0804273188e-05, pio2_2t_rempio = 6.0770999344e-11, pio2_3_rempio = 6.0770943833e-11, pio2_3t_rempio = 6.1232342629e-17; [L507-L510] static const float half_ksin = 5.0000000000e-01, S1_ksin = -1.6666667163e-01, S2_ksin = 8.3333337680e-03, S3_ksin = -1.9841270114e-04, S4_ksin = 2.7557314297e-06, S5_ksin = -2.5050759689e-08, S6_ksin = 1.5896910177e-10; [L534-L537] static const float one_kcos = 1.0000000000e+00, C1_kcos = 4.1666667908e-02, C2_kcos = -1.3888889225e-03, C3_kcos = 2.4801587642e-05, C4_kcos = -2.7557314297e-07, C5_kcos = 2.0875723372e-09, C6_kcos = -1.1359647598e-11; [L574-L582] static const float one_ktan = 1.0000000000e+00, pio4_ktan = 7.8539812565e-01, pio4lo_ktan = 3.7748947079e-08, T_ktan[] = { 3.3333334327e-01, 1.3333334029e-01, 5.3968254477e-02, 2.1869488060e-02, 8.8632395491e-03, 3.5920790397e-03, 1.4562094584e-03, 5.8804126456e-04, 2.4646313977e-04, 7.8179444245e-05, 7.1407252108e-05, -1.8558637748e-05, 2.5907305826e-05, }; [L624] float x = 0.0f; [L625] CALL, EXPR sin_float(x) [L585] float y[2], z = 0.0; [L586] __int32_t n, ix; VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, y={14:0}, z=0, zero_krempio=0, zero_rempio=0] [L589] ieee_float_shape_type gf_u; [L590] gf_u.value = (x) [L591] EXPR gf_u.word [L591] (ix) = gf_u.word [L594] ix &= 0x7fffffff VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2147483647, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, y={14:0}, z=0, zero_krempio=0, zero_rempio=0] [L595] COND FALSE !(ix <= 0x3f490fd8) VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, ix=2147483647, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, y={14:0}, z=0, zero_krempio=0, zero_rempio=0] [L598] COND TRUE !((ix) < 0x7f800000L) [L599] return x - x; [L599] return x - x; VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, x=0, z=0, zero_krempio=0, zero_rempio=0] [L625] RET, EXPR sin_float(x) [L625] float res = sin_float(x); [L628] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, res=1000000000000000000000000000097, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, zero_krempio=0, zero_rempio=0] [L628] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L629] reach_error() VAL [C1_kcos=10416666977/250000000000, C3_kcos=12400793821/500000000000000, C5_kcos=5218930843/2500000000000000000, PIo2_krempio={5:0}, S2_ksin=1041666721/125000000000, S4_ksin=27557314297/10000000000000000, S6_ksin=15896910177/100000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=63661980629/100000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, one_ktan=1, pio2_1_rempio=628314209/400000000, pio2_1t_rempio=2701083531/250000000000000, pio2_2_rempio=2701068297/250000000000000, pio2_2t_rempio=3798187459/62500000000000000000, pio2_3_rempio=60770943833/1000000000000000000000, pio2_3t_rempio=61232342629/1000000000000000000000000000, pio4_ktan=15707962513/20000000000, pio4lo_ktan=37748947079/1000000000000000000, res=1000000000000000000000000000097, tiny_scalbn=1/1000000000000000000000000000000, two25_scalbn=33554432, two8_krempio=256, two8_rempio=256, two_over_pi_rempio={6:0}, twom25_scalbn=7450580597/250000000000000000, twon8_krempio=1/256, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 49.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 264 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27 IncrementalHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 264 mSDtfsCounter, 27 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 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=207occurred 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: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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 [2024-11-09 07:10:29,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0220a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 773bbca038537ae7ec3a3662d99448ead5cd69b97e8020514eb4577bae8c0d52 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:10:31,693 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:10:31,829 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 07:10:31,840 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:10:31,840 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:10:31,887 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:10:31,888 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:10:31,889 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:10:31,890 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:10:31,890 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:10:31,891 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:10:31,891 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:10:31,892 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:10:31,892 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:10:31,892 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:10:31,893 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:10:31,897 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:10:31,897 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:10:31,898 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:10:31,898 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:10:31,898 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:10:31,903 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:10:31,903 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:10:31,904 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:10:31,904 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 07:10:31,904 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 07:10:31,905 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:10:31,905 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 07:10:31,905 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:10:31,906 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:10:31,906 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:10:31,908 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:10:31,909 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 07:10:31,910 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:10:31,910 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:10:31,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:10:31,910 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:10:31,911 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:10:31,911 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:10:31,911 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 07:10:31,912 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 07:10:31,913 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:10:31,913 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:10:31,913 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 773bbca038537ae7ec3a3662d99448ead5cd69b97e8020514eb4577bae8c0d52 [2024-11-09 07:10:32,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:10:32,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:10:32,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:10:32,462 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:10:32,463 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:10:32,464 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/float-newlib/float_req_bl_0220a.c Unable to find full path for "g++" [2024-11-09 07:10:35,143 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:10:35,483 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:10:35,484 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/sv-benchmarks/c/float-newlib/float_req_bl_0220a.c [2024-11-09 07:10:35,500 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/data/6ae94f83b/625304e66e114fa4ba5bafcdd625f15b/FLAGaef9fb620 [2024-11-09 07:10:35,522 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/data/6ae94f83b/625304e66e114fa4ba5bafcdd625f15b [2024-11-09 07:10:35,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:10:35,528 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:10:35,530 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:10:35,530 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:10:35,536 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:10:35,537 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:10:35" (1/1) ... [2024-11-09 07:10:35,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@326bcdc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:35, skipping insertion in model container [2024-11-09 07:10:35,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:10:35" (1/1) ... [2024-11-09 07:10:35,597 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:10:36,051 WARN L250 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_5fe65f44-ccae-4559-ae2d-7321a6e015f4/sv-benchmarks/c/float-newlib/float_req_bl_0220a.c[15843,15856] [2024-11-09 07:10:36,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:10:36,137 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:10:36,250 WARN L250 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_5fe65f44-ccae-4559-ae2d-7321a6e015f4/sv-benchmarks/c/float-newlib/float_req_bl_0220a.c[15843,15856] [2024-11-09 07:10:36,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:10:36,359 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:10:36,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:36 WrapperNode [2024-11-09 07:10:36,360 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:10:36,361 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:10:36,361 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:10:36,369 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:10:36,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:36" (1/1) ... [2024-11-09 07:10:36,455 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:36" (1/1) ... [2024-11-09 07:10:36,564 INFO L138 Inliner]: procedures = 30, calls = 495, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1139 [2024-11-09 07:10:36,564 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:10:36,566 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:10:36,567 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:10:36,567 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:10:36,577 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:36" (1/1) ... [2024-11-09 07:10:36,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:36" (1/1) ... [2024-11-09 07:10:36,598 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:36" (1/1) ... [2024-11-09 07:10:36,599 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:36" (1/1) ... [2024-11-09 07:10:36,664 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:36" (1/1) ... [2024-11-09 07:10:36,685 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:36" (1/1) ... [2024-11-09 07:10:36,694 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:36" (1/1) ... [2024-11-09 07:10:36,705 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:36" (1/1) ... [2024-11-09 07:10:36,720 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:10:36,724 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:10:36,724 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:10:36,725 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:10:36,725 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:36" (1/1) ... [2024-11-09 07:10:36,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:10:36,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:10:36,760 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:10:36,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:10:36,798 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2024-11-09 07:10:36,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2024-11-09 07:10:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:10:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 07:10:36,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-09 07:10:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 07:10:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-09 07:10:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 07:10:36,800 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2024-11-09 07:10:36,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2024-11-09 07:10:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2024-11-09 07:10:36,801 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2024-11-09 07:10:36,801 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2024-11-09 07:10:36,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-09 07:10:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2024-11-09 07:10:36,804 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2024-11-09 07:10:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-11-09 07:10:36,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:10:36,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:10:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 07:10:36,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 07:10:37,026 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:10:37,033 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:11:17,663 INFO L? ?]: Removed 270 outVars from TransFormulas that were not future-live. [2024-11-09 07:11:17,664 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:11:17,691 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:11:17,693 INFO L316 CfgBuilder]: Removed 43 assume(true) statements. [2024-11-09 07:11:17,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:11:17 BoogieIcfgContainer [2024-11-09 07:11:17,693 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:11:17,696 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:11:17,697 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:11:17,700 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:11:17,701 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:10:35" (1/3) ... [2024-11-09 07:11:17,702 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a0bae02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:11:17, skipping insertion in model container [2024-11-09 07:11:17,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:10:36" (2/3) ... [2024-11-09 07:11:17,703 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a0bae02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:11:17, skipping insertion in model container [2024-11-09 07:11:17,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:11:17" (3/3) ... [2024-11-09 07:11:17,705 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0220a.c [2024-11-09 07:11:17,726 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:11:17,726 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:11:17,811 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:11:17,819 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@45b24b8c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:11:17,819 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:11:17,825 INFO L276 IsEmpty]: Start isEmpty. Operand has 247 states, 229 states have (on average 1.6550218340611353) internal successors, (379), 230 states have internal predecessors, (379), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 07:11:17,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 07:11:17,834 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:11:17,835 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:11:17,836 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:11:17,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:11:17,842 INFO L85 PathProgramCache]: Analyzing trace with hash 1283743164, now seen corresponding path program 1 times [2024-11-09 07:11:17,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:11:17,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [388050419] [2024-11-09 07:11:17,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:11:17,858 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 [2024-11-09 07:11:17,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:11:17,870 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 07:11:17,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:11:38,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:11:38,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 07:11:38,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:11:38,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:11:38,319 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:11:38,319 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:11:38,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [388050419] [2024-11-09 07:11:38,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [388050419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:11:38,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:11:38,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:11:38,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111690677] [2024-11-09 07:11:38,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:11:38,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 07:11:38,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:11:38,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 07:11:38,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 07:11:38,372 INFO L87 Difference]: Start difference. First operand has 247 states, 229 states have (on average 1.6550218340611353) internal successors, (379), 230 states have internal predecessors, (379), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:11:38,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:11:38,475 INFO L93 Difference]: Finished difference Result 492 states and 816 transitions. [2024-11-09 07:11:38,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 07:11:38,477 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-09 07:11:38,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:11:38,488 INFO L225 Difference]: With dead ends: 492 [2024-11-09 07:11:38,488 INFO L226 Difference]: Without dead ends: 244 [2024-11-09 07:11:38,494 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 07:11:38,498 INFO L432 NwaCegarLoop]: 359 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, 359 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 [2024-11-09 07:11:38,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 07:11:38,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-11-09 07:11:38,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2024-11-09 07:11:38,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 227 states have (on average 1.4625550660792952) internal successors, (332), 227 states have internal predecessors, (332), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 07:11:38,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 356 transitions. [2024-11-09 07:11:38,559 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 356 transitions. Word has length 10 [2024-11-09 07:11:38,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:11:38,560 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 356 transitions. [2024-11-09 07:11:38,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:11:38,561 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 356 transitions. [2024-11-09 07:11:38,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 07:11:38,561 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:11:38,562 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:11:38,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-09 07:11:38,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:11:38,763 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:11:38,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:11:38,764 INFO L85 PathProgramCache]: Analyzing trace with hash 649233452, now seen corresponding path program 1 times [2024-11-09 07:11:38,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:11:38,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [20115594] [2024-11-09 07:11:38,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:11:38,765 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 [2024-11-09 07:11:38,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:11:38,769 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 07:11:38,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:11:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:11:59,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 07:11:59,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:11:59,544 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 07:11:59,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-09 07:11:59,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:11:59,744 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:11:59,744 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:11:59,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [20115594] [2024-11-09 07:11:59,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [20115594] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:11:59,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:11:59,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 07:11:59,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362729037] [2024-11-09 07:11:59,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:11:59,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 07:11:59,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:11:59,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 07:11:59,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 07:11:59,749 INFO L87 Difference]: Start difference. First operand 244 states and 356 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:11:59,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:11:59,865 INFO L93 Difference]: Finished difference Result 263 states and 377 transitions. [2024-11-09 07:11:59,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 07:11:59,866 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-09 07:11:59,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:11:59,867 INFO L225 Difference]: With dead ends: 263 [2024-11-09 07:11:59,868 INFO L226 Difference]: Without dead ends: 27 [2024-11-09 07:11:59,869 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 07:11:59,871 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 5 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 07:11:59,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 73 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 07:11:59,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-09 07:11:59,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-11-09 07:11:59,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 07:11:59,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2024-11-09 07:11:59,877 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 11 [2024-11-09 07:11:59,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:11:59,877 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2024-11-09 07:11:59,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:11:59,878 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2024-11-09 07:11:59,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 07:11:59,879 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:11:59,879 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:11:59,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:12:00,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:12:00,080 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:12:00,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:12:00,081 INFO L85 PathProgramCache]: Analyzing trace with hash -781464670, now seen corresponding path program 1 times [2024-11-09 07:12:00,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:12:00,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1464445705] [2024-11-09 07:12:00,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:12:00,083 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 [2024-11-09 07:12:00,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:12:00,084 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 07:12:00,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:12:20,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:12:20,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 07:12:20,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:12:20,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:12:20,950 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:12:20,950 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:12:20,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1464445705] [2024-11-09 07:12:20,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1464445705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:12:20,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:12:20,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-09 07:12:20,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602517394] [2024-11-09 07:12:20,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:12:20,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 07:12:20,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:12:20,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 07:12:20,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-09 07:12:20,954 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 07:12:23,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:12:25,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:12:27,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:12:29,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:12:31,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:12:33,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:12:35,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:12:37,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:12:39,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:12:41,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:12:44,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:12:46,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:12:48,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:12:50,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:12:52,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:12:54,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:12:56,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 07:12:56,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:12:56,858 INFO L93 Difference]: Finished difference Result 35 states and 38 transitions. [2024-11-09 07:12:56,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 07:12:56,860 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2024-11-09 07:12:56,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:12:56,860 INFO L225 Difference]: With dead ends: 35 [2024-11-09 07:12:56,861 INFO L226 Difference]: Without dead ends: 32 [2024-11-09 07:12:56,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-09 07:12:56,862 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 5 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.8s IncrementalHoareTripleChecker+Time [2024-11-09 07:12:56,863 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 116 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 17 Unknown, 0 Unchecked, 35.8s Time] [2024-11-09 07:12:56,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-11-09 07:12:56,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2024-11-09 07:12:56,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 28 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 07:12:56,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2024-11-09 07:12:56,868 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 20 [2024-11-09 07:12:56,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:12:56,869 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2024-11-09 07:12:56,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 07:12:56,869 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2024-11-09 07:12:56,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 07:12:56,870 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:12:56,870 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:12:56,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/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)] Ended with exit code 0 [2024-11-09 07:12:57,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:12:57,071 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:12:57,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:12:57,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1346069111, now seen corresponding path program 1 times [2024-11-09 07:12:57,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:12:57,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [929216692] [2024-11-09 07:12:57,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:12:57,073 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 [2024-11-09 07:12:57,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:12:57,074 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 07:12:57,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:13:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:13:20,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 07:13:20,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:13:21,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:13:21,107 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:13:21,108 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:13:21,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [929216692] [2024-11-09 07:13:21,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [929216692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:13:21,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:13:21,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 07:13:21,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769147365] [2024-11-09 07:13:21,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:13:21,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 07:13:21,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:13:21,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 07:13:21,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 07:13:21,112 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 07:13:23,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:13:25,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:13:27,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:13:29,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:13:32,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:13:34,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:13:36,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:13:38,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:13:40,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:13:42,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:13:44,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:13:46,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:13:48,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:13:50,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-09 07:13:50,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:13:50,296 INFO L93 Difference]: Finished difference Result 39 states and 41 transitions. [2024-11-09 07:13:50,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 07:13:50,296 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2024-11-09 07:13:50,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:13:50,297 INFO L225 Difference]: With dead ends: 39 [2024-11-09 07:13:50,298 INFO L226 Difference]: Without dead ends: 25 [2024-11-09 07:13:50,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-09 07:13:50,299 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 9 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.0s IncrementalHoareTripleChecker+Time [2024-11-09 07:13:50,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 102 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 14 Unknown, 0 Unchecked, 29.0s Time] [2024-11-09 07:13:50,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-09 07:13:50,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-11-09 07:13:50,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 22 states have (on average 1.0) internal successors, (22), 22 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 07:13:50,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2024-11-09 07:13:50,304 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 21 [2024-11-09 07:13:50,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:13:50,305 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2024-11-09 07:13:50,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 07:13:50,306 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2024-11-09 07:13:50,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 07:13:50,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:13:50,307 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:13:50,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:13:50,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:13:50,508 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:13:50,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:13:50,508 INFO L85 PathProgramCache]: Analyzing trace with hash -259856233, now seen corresponding path program 1 times [2024-11-09 07:13:50,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:13:50,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [784265889] [2024-11-09 07:13:50,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:13:50,510 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 [2024-11-09 07:13:50,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:13:50,514 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 07:13:50,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:14:17,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:14:18,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-09 07:14:18,091 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:14:19,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:14:19,277 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:14:19,277 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:14:19,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [784265889] [2024-11-09 07:14:19,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [784265889] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:14:19,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:14:19,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-09 07:14:19,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507499828] [2024-11-09 07:14:19,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:14:19,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 07:14:19,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:14:19,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 07:14:19,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-09 07:14:19,281 INFO L87 Difference]: Start difference. First operand 25 states and 24 transitions. Second operand has 12 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 11 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 07:14:20,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:14:20,569 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2024-11-09 07:14:20,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 07:14:20,570 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 11 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2024-11-09 07:14:20,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:14:20,571 INFO L225 Difference]: With dead ends: 25 [2024-11-09 07:14:20,571 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 07:14:20,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2024-11-09 07:14:20,573 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 4 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 07:14:20,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 114 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 07:14:20,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 07:14:20,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 07:14:20,576 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) [2024-11-09 07:14:20,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 07:14:20,576 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2024-11-09 07:14:20,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:14:20,577 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 07:14:20,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 11 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 07:14:20,578 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 07:14:20,578 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 07:14:20,581 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 07:14:20,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/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)] Ended with exit code 0 [2024-11-09 07:14:20,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:14:20,786 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-09 07:14:20,790 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 07:14:21,308 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:14:21,334 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable init_jk_krempio by function __kernel_cosf [2024-11-09 07:14:21,336 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable PIo2_krempio by function __kernel_cosf [2024-11-09 07:14:21,336 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable two_over_pi_rempio by function __kernel_cosf [2024-11-09 07:14:21,337 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable npio2_hw_rempio by function __kernel_cosf [2024-11-09 07:14:21,339 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable init_jk_krempio by function copysign_float [2024-11-09 07:14:21,340 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable PIo2_krempio by function copysign_float [2024-11-09 07:14:21,340 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable two_over_pi_rempio by function copysign_float [2024-11-09 07:14:21,341 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable npio2_hw_rempio by function copysign_float [2024-11-09 07:14:21,345 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-09 07:14:21,346 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable init_jk_krempio by function __kernel_sinf [2024-11-09 07:14:21,346 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable PIo2_krempio by function __kernel_sinf [2024-11-09 07:14:21,346 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable two_over_pi_rempio by function __kernel_sinf [2024-11-09 07:14:21,347 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable npio2_hw_rempio by function __kernel_sinf [2024-11-09 07:14:21,349 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable init_jk_krempio by function scalbn_float [2024-11-09 07:14:21,350 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable PIo2_krempio by function scalbn_float [2024-11-09 07:14:21,350 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable two_over_pi_rempio by function scalbn_float [2024-11-09 07:14:21,350 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable npio2_hw_rempio by function scalbn_float [2024-11-09 07:14:21,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:14:21 BoogieIcfgContainer [2024-11-09 07:14:21,352 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:14:21,353 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:14:21,353 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:14:21,353 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:14:21,354 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:11:17" (3/4) ... [2024-11-09 07:14:21,360 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 07:14:21,366 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_cosf [2024-11-09 07:14:21,366 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_float [2024-11-09 07:14:21,366 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_sinf [2024-11-09 07:14:21,366 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_float [2024-11-09 07:14:21,386 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 89 nodes and edges [2024-11-09 07:14:21,388 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2024-11-09 07:14:21,390 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-09 07:14:21,392 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 07:14:21,777 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 07:14:21,777 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 07:14:21,778 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:14:21,779 INFO L158 Benchmark]: Toolchain (without parser) took 226251.27ms. Allocated memory was 121.6MB in the beginning and 524.3MB in the end (delta: 402.7MB). Free memory was 96.8MB in the beginning and 407.4MB in the end (delta: -310.6MB). Peak memory consumption was 93.9MB. Max. memory is 16.1GB. [2024-11-09 07:14:21,780 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 65.0MB. Free memory was 40.9MB in the beginning and 40.8MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:14:21,781 INFO L158 Benchmark]: CACSL2BoogieTranslator took 830.42ms. Allocated memory is still 121.6MB. Free memory was 96.6MB in the beginning and 96.9MB in the end (delta: -304.4kB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2024-11-09 07:14:21,781 INFO L158 Benchmark]: Boogie Procedure Inliner took 203.74ms. Allocated memory is still 121.6MB. Free memory was 96.9MB in the beginning and 89.2MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 07:14:21,782 INFO L158 Benchmark]: Boogie Preprocessor took 157.06ms. Allocated memory is still 121.6MB. Free memory was 89.2MB in the beginning and 80.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 07:14:21,783 INFO L158 Benchmark]: RCFGBuilder took 40969.61ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 80.8MB in the beginning and 54.7MB in the end (delta: 26.1MB). Peak memory consumption was 84.9MB. Max. memory is 16.1GB. [2024-11-09 07:14:21,784 INFO L158 Benchmark]: TraceAbstraction took 183656.00ms. Allocated memory was 146.8MB in the beginning and 524.3MB in the end (delta: 377.5MB). Free memory was 54.7MB in the beginning and 431.5MB in the end (delta: -376.8MB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. [2024-11-09 07:14:21,784 INFO L158 Benchmark]: Witness Printer took 425.46ms. Allocated memory is still 524.3MB. Free memory was 431.5MB in the beginning and 407.4MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-09 07:14:21,787 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 65.0MB. Free memory was 40.9MB in the beginning and 40.8MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 830.42ms. Allocated memory is still 121.6MB. Free memory was 96.6MB in the beginning and 96.9MB in the end (delta: -304.4kB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 203.74ms. Allocated memory is still 121.6MB. Free memory was 96.9MB in the beginning and 89.2MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 157.06ms. Allocated memory is still 121.6MB. Free memory was 89.2MB in the beginning and 80.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 40969.61ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 80.8MB in the beginning and 54.7MB in the end (delta: 26.1MB). Peak memory consumption was 84.9MB. Max. memory is 16.1GB. * TraceAbstraction took 183656.00ms. Allocated memory was 146.8MB in the beginning and 524.3MB in the end (delta: 377.5MB). Free memory was 54.7MB in the beginning and 431.5MB in the end (delta: -376.8MB). Peak memory consumption was 1.7MB. Max. memory is 16.1GB. * Witness Printer took 425.46ms. Allocated memory is still 524.3MB. Free memory was 431.5MB in the beginning and 407.4MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable init_jk_krempio by function __kernel_cosf - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable PIo2_krempio by function __kernel_cosf - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable two_over_pi_rempio by function __kernel_cosf - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable npio2_hw_rempio by function __kernel_cosf - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable init_jk_krempio by function copysign_float - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable PIo2_krempio by function copysign_float - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable two_over_pi_rempio by function copysign_float - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable npio2_hw_rempio by function copysign_float - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable init_jk_krempio by function __kernel_sinf - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable PIo2_krempio by function __kernel_sinf - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable two_over_pi_rempio by function __kernel_sinf - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable npio2_hw_rempio by function __kernel_sinf - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable init_jk_krempio by function scalbn_float - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable PIo2_krempio by function scalbn_float - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable two_over_pi_rempio by function scalbn_float - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable npio2_hw_rempio by function scalbn_float * 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: 629]: 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 5 procedures, 247 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 183.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 66.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 31 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 65.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 764 SdHoareTripleChecker+Invalid, 65.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 327 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 210 IncrementalHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 437 mSDtfsCounter, 210 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 92 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=247occurred in iteration=0, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 10.3s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 81 ConstructedInterpolants, 5 QuantifiedInterpolants, 292 SizeOfPredicates, 11 NumberOfNonLiveVariables, 2074 ConjunctsInSsa, 53 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: 300]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 264]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 258]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 - ProcedureContractResult [Line: 539]: Procedure Contract for __kernel_cosf Derived contract for procedure __kernel_cosf. Requires: 0 Ensures: (0 && (((((((((((((((((((((((((((((((((((((huge_floor == \old(huge_floor)) && (two25_scalbn == \old(two25_scalbn))) && (twom25_scalbn == \old(twom25_scalbn))) && (huge_scalbn == \old(huge_scalbn))) && (tiny_scalbn == \old(tiny_scalbn))) && (zero_krempio == \old(zero_krempio))) && (one_krempio == \old(one_krempio))) && (two8_krempio == \old(two8_krempio))) && (twon8_krempio == \old(twon8_krempio))) && (zero_rempio == \old(zero_rempio))) && (half_rempio == \old(half_rempio))) && (two8_rempio == \old(two8_rempio))) && (invpio2_rempio == \old(invpio2_rempio))) && (pio2_1_rempio == \old(pio2_1_rempio))) && (pio2_1t_rempio == \old(pio2_1t_rempio))) && (pio2_2_rempio == \old(pio2_2_rempio))) && (pio2_2t_rempio == \old(pio2_2t_rempio))) && (pio2_3_rempio == \old(pio2_3_rempio))) && (pio2_3t_rempio == \old(pio2_3t_rempio))) && (half_ksin == \old(half_ksin))) && (S1_ksin == \old(S1_ksin))) && (S2_ksin == \old(S2_ksin))) && (S3_ksin == \old(S3_ksin))) && (S4_ksin == \old(S4_ksin))) && (S5_ksin == \old(S5_ksin))) && (S6_ksin == \old(S6_ksin))) && (one_kcos == \old(one_kcos))) && (C1_kcos == \old(C1_kcos))) && (C2_kcos == \old(C2_kcos))) && (C3_kcos == \old(C3_kcos))) && (C4_kcos == \old(C4_kcos))) && (C5_kcos == \old(C5_kcos))) && (C6_kcos == \old(C6_kcos))) && (one_ktan == \old(one_ktan))) && (pio4_ktan == \old(pio4_ktan))) && (pio4lo_ktan == \old(pio4lo_ktan))) && (T_ktan == \old(T_ktan)))) - ProcedureContractResult [Line: 70]: Procedure Contract for copysign_float Derived contract for procedure copysign_float. Requires: 0 Ensures: (0 && (((((((((((((((((((((((((((((((((((((huge_floor == \old(huge_floor)) && (two25_scalbn == \old(two25_scalbn))) && (twom25_scalbn == \old(twom25_scalbn))) && (huge_scalbn == \old(huge_scalbn))) && (tiny_scalbn == \old(tiny_scalbn))) && (zero_krempio == \old(zero_krempio))) && (one_krempio == \old(one_krempio))) && (two8_krempio == \old(two8_krempio))) && (twon8_krempio == \old(twon8_krempio))) && (zero_rempio == \old(zero_rempio))) && (half_rempio == \old(half_rempio))) && (two8_rempio == \old(two8_rempio))) && (invpio2_rempio == \old(invpio2_rempio))) && (pio2_1_rempio == \old(pio2_1_rempio))) && (pio2_1t_rempio == \old(pio2_1t_rempio))) && (pio2_2_rempio == \old(pio2_2_rempio))) && (pio2_2t_rempio == \old(pio2_2t_rempio))) && (pio2_3_rempio == \old(pio2_3_rempio))) && (pio2_3t_rempio == \old(pio2_3t_rempio))) && (half_ksin == \old(half_ksin))) && (S1_ksin == \old(S1_ksin))) && (S2_ksin == \old(S2_ksin))) && (S3_ksin == \old(S3_ksin))) && (S4_ksin == \old(S4_ksin))) && (S5_ksin == \old(S5_ksin))) && (S6_ksin == \old(S6_ksin))) && (one_kcos == \old(one_kcos))) && (C1_kcos == \old(C1_kcos))) && (C2_kcos == \old(C2_kcos))) && (C3_kcos == \old(C3_kcos))) && (C4_kcos == \old(C4_kcos))) && (C5_kcos == \old(C5_kcos))) && (C6_kcos == \old(C6_kcos))) && (one_ktan == \old(one_ktan))) && (pio4_ktan == \old(pio4_ktan))) && (pio4lo_ktan == \old(pio4lo_ktan))) && (T_ktan == \old(T_ktan)))) - ProcedureContractResult [Line: 512]: Procedure Contract for __kernel_sinf Derived contract for procedure __kernel_sinf. Ensures: (((((((((((((((((((((((((((((((((((((huge_floor == \old(huge_floor)) && (two25_scalbn == \old(two25_scalbn))) && (twom25_scalbn == \old(twom25_scalbn))) && (huge_scalbn == \old(huge_scalbn))) && (tiny_scalbn == \old(tiny_scalbn))) && (zero_krempio == \old(zero_krempio))) && (one_krempio == \old(one_krempio))) && (two8_krempio == \old(two8_krempio))) && (twon8_krempio == \old(twon8_krempio))) && (zero_rempio == \old(zero_rempio))) && (half_rempio == \old(half_rempio))) && (two8_rempio == \old(two8_rempio))) && (invpio2_rempio == \old(invpio2_rempio))) && (pio2_1_rempio == \old(pio2_1_rempio))) && (pio2_1t_rempio == \old(pio2_1t_rempio))) && (pio2_2_rempio == \old(pio2_2_rempio))) && (pio2_2t_rempio == \old(pio2_2t_rempio))) && (pio2_3_rempio == \old(pio2_3_rempio))) && (pio2_3t_rempio == \old(pio2_3t_rempio))) && (half_ksin == \old(half_ksin))) && (S1_ksin == \old(S1_ksin))) && (S2_ksin == \old(S2_ksin))) && (S3_ksin == \old(S3_ksin))) && (S4_ksin == \old(S4_ksin))) && (S5_ksin == \old(S5_ksin))) && (S6_ksin == \old(S6_ksin))) && (one_kcos == \old(one_kcos))) && (C1_kcos == \old(C1_kcos))) && (C2_kcos == \old(C2_kcos))) && (C3_kcos == \old(C3_kcos))) && (C4_kcos == \old(C4_kcos))) && (C5_kcos == \old(C5_kcos))) && (C6_kcos == \old(C6_kcos))) && (one_ktan == \old(one_ktan))) && (pio4_ktan == \old(pio4_ktan))) && (pio4lo_ktan == \old(pio4lo_ktan))) && (T_ktan == \old(T_ktan))) - ProcedureContractResult [Line: 94]: Procedure Contract for scalbn_float Derived contract for procedure scalbn_float. Requires: 0 Ensures: (0 && (((((((((((((((((((((((((((((((((((((huge_floor == \old(huge_floor)) && (two25_scalbn == \old(two25_scalbn))) && (twom25_scalbn == \old(twom25_scalbn))) && (huge_scalbn == \old(huge_scalbn))) && (tiny_scalbn == \old(tiny_scalbn))) && (zero_krempio == \old(zero_krempio))) && (one_krempio == \old(one_krempio))) && (two8_krempio == \old(two8_krempio))) && (twon8_krempio == \old(twon8_krempio))) && (zero_rempio == \old(zero_rempio))) && (half_rempio == \old(half_rempio))) && (two8_rempio == \old(two8_rempio))) && (invpio2_rempio == \old(invpio2_rempio))) && (pio2_1_rempio == \old(pio2_1_rempio))) && (pio2_1t_rempio == \old(pio2_1t_rempio))) && (pio2_2_rempio == \old(pio2_2_rempio))) && (pio2_2t_rempio == \old(pio2_2t_rempio))) && (pio2_3_rempio == \old(pio2_3_rempio))) && (pio2_3t_rempio == \old(pio2_3t_rempio))) && (half_ksin == \old(half_ksin))) && (S1_ksin == \old(S1_ksin))) && (S2_ksin == \old(S2_ksin))) && (S3_ksin == \old(S3_ksin))) && (S4_ksin == \old(S4_ksin))) && (S5_ksin == \old(S5_ksin))) && (S6_ksin == \old(S6_ksin))) && (one_kcos == \old(one_kcos))) && (C1_kcos == \old(C1_kcos))) && (C2_kcos == \old(C2_kcos))) && (C3_kcos == \old(C3_kcos))) && (C4_kcos == \old(C4_kcos))) && (C5_kcos == \old(C5_kcos))) && (C6_kcos == \old(C6_kcos))) && (one_ktan == \old(one_ktan))) && (pio4_ktan == \old(pio4_ktan))) && (pio4lo_ktan == \old(pio4lo_ktan))) && (T_ktan == \old(T_ktan)))) RESULT: Ultimate proved your program to be correct! [2024-11-09 07:14:21,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe65f44-ccae-4559-ae2d-7321a6e015f4/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE