./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0250b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0250b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E --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 ca3adcf38c8df0d32f55f5a4e40065c13b8c76dd47d7e99832a0410c2aac65d5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:47:19,344 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:47:19,430 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 02:47:19,439 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:47:19,439 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:47:19,468 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:47:19,469 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:47:19,469 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:47:19,470 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:47:19,470 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:47:19,471 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:47:19,471 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:47:19,472 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:47:19,472 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 02:47:19,472 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:47:19,472 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:47:19,472 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 02:47:19,473 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 02:47:19,473 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:47:19,473 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 02:47:19,473 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 02:47:19,474 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 02:47:19,474 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:47:19,474 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:47:19,474 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 02:47:19,474 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 02:47:19,475 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 02:47:19,475 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:47:19,475 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:47:19,475 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:47:19,476 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:47:19,476 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:47:19,476 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 02:47:19,476 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:47:19,476 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:47:19,476 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:47:19,476 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:47:19,477 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:47:19,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:47:19,478 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:47:19,478 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:47:19,478 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:47:19,478 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 02:47:19,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 02:47:19,478 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:47:19,478 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:47:19,479 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 02:47:19,479 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E 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 -> ca3adcf38c8df0d32f55f5a4e40065c13b8c76dd47d7e99832a0410c2aac65d5 [2024-11-14 02:47:19,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:47:19,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:47:19,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:47:19,871 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:47:19,871 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:47:19,873 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/float-newlib/double_req_bl_0250b.c Unable to find full path for "g++" [2024-11-14 02:47:21,708 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:47:22,002 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:47:22,003 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/sv-benchmarks/c/float-newlib/double_req_bl_0250b.c [2024-11-14 02:47:22,013 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/data/d451efbe8/4c90072014cc4c779450b9baf0471097/FLAGeed6635ed [2024-11-14 02:47:22,028 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/data/d451efbe8/4c90072014cc4c779450b9baf0471097 [2024-11-14 02:47:22,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:47:22,033 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:47:22,034 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:47:22,034 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:47:22,039 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:47:22,040 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:47:22" (1/1) ... [2024-11-14 02:47:22,041 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11a655f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:22, skipping insertion in model container [2024-11-14 02:47:22,041 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:47:22" (1/1) ... [2024-11-14 02:47:22,066 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:47:22,322 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_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/sv-benchmarks/c/float-newlib/double_req_bl_0250b.c[5947,5960] [2024-11-14 02:47:22,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:47:22,335 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:47:22,386 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_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/sv-benchmarks/c/float-newlib/double_req_bl_0250b.c[5947,5960] [2024-11-14 02:47:22,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:47:22,405 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:47:22,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:22 WrapperNode [2024-11-14 02:47:22,406 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:47:22,408 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:47:22,409 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:47:22,409 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:47:22,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:22" (1/1) ... [2024-11-14 02:47:22,434 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:22" (1/1) ... [2024-11-14 02:47:22,490 INFO L138 Inliner]: procedures = 18, calls = 43, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 439 [2024-11-14 02:47:22,490 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:47:22,491 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:47:22,491 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:47:22,491 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:47:22,502 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:22" (1/1) ... [2024-11-14 02:47:22,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:22" (1/1) ... [2024-11-14 02:47:22,512 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:22" (1/1) ... [2024-11-14 02:47:22,512 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:22" (1/1) ... [2024-11-14 02:47:22,526 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:22" (1/1) ... [2024-11-14 02:47:22,533 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:22" (1/1) ... [2024-11-14 02:47:22,539 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:22" (1/1) ... [2024-11-14 02:47:22,541 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:22" (1/1) ... [2024-11-14 02:47:22,549 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:47:22,553 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:47:22,553 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:47:22,553 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:47:22,554 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:22" (1/1) ... [2024-11-14 02:47:22,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:47:22,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:47:22,599 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:47:22,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:47:22,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:47:22,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 02:47:22,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 02:47:22,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-14 02:47:22,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 02:47:22,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-14 02:47:22,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:47:22,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:47:22,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 02:47:22,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 02:47:22,762 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:47:22,764 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:47:23,430 INFO L? ?]: Removed 81 outVars from TransFormulas that were not future-live. [2024-11-14 02:47:23,430 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:47:23,963 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:47:23,964 INFO L316 CfgBuilder]: Removed 18 assume(true) statements. [2024-11-14 02:47:23,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:47:23 BoogieIcfgContainer [2024-11-14 02:47:23,964 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:47:23,968 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:47:23,969 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:47:23,973 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:47:23,974 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:47:22" (1/3) ... [2024-11-14 02:47:23,975 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2782054b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:47:23, skipping insertion in model container [2024-11-14 02:47:23,976 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:22" (2/3) ... [2024-11-14 02:47:23,976 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2782054b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:47:23, skipping insertion in model container [2024-11-14 02:47:23,976 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:47:23" (3/3) ... [2024-11-14 02:47:23,978 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0250b.c [2024-11-14 02:47:23,995 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:47:23,997 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_0250b.c that has 1 procedures, 48 locations, 1 initial locations, 11 loop locations, and 1 error locations. [2024-11-14 02:47:24,064 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:47:24,081 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;@19150cbb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:47:24,082 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 02:47:24,086 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 46 states have (on average 1.673913043478261) internal successors, (77), 47 states have internal predecessors, (77), 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) [2024-11-14 02:47:24,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-14 02:47:24,092 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:47:24,092 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:47:24,093 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:47:24,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:47:24,099 INFO L85 PathProgramCache]: Analyzing trace with hash -859281736, now seen corresponding path program 1 times [2024-11-14 02:47:24,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:47:24,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834771302] [2024-11-14 02:47:24,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:47:24,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:47:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:47:24,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:47:24,277 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 02:47:24,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834771302] [2024-11-14 02:47:24,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834771302] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:47:24,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:47:24,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 02:47:24,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037704806] [2024-11-14 02:47:24,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:47:24,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 02:47:24,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 02:47:24,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 02:47:24,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 02:47:24,315 INFO L87 Difference]: Start difference. First operand has 48 states, 46 states have (on average 1.673913043478261) internal successors, (77), 47 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 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) [2024-11-14 02:47:24,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:47:24,412 INFO L93 Difference]: Finished difference Result 95 states and 153 transitions. [2024-11-14 02:47:24,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 02:47:24,414 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 [2024-11-14 02:47:24,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:47:24,423 INFO L225 Difference]: With dead ends: 95 [2024-11-14 02:47:24,424 INFO L226 Difference]: Without dead ends: 46 [2024-11-14 02:47:24,427 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 [2024-11-14 02:47:24,430 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 02:47:24,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 44 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 02:47:24,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-14 02:47:24,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-14 02:47:24,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 45 states have internal predecessors, (59), 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) [2024-11-14 02:47:24,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 59 transitions. [2024-11-14 02:47:24,479 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 59 transitions. Word has length 9 [2024-11-14 02:47:24,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:47:24,479 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 59 transitions. [2024-11-14 02:47:24,479 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) [2024-11-14 02:47:24,480 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2024-11-14 02:47:24,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-14 02:47:24,480 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:47:24,481 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:47:24,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 02:47:24,482 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:47:24,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:47:24,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1390104575, now seen corresponding path program 1 times [2024-11-14 02:47:24,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 02:47:24,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607273249] [2024-11-14 02:47:24,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:47:24,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 02:47:24,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:47:24,534 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 02:47:24,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 02:47:24,610 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 02:47:24,610 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 02:47:24,612 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 02:47:24,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 02:47:24,618 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-14 02:47:24,640 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 02:47:24,644 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 02:47:24 BoogieIcfgContainer [2024-11-14 02:47:24,644 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 02:47:24,645 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 02:47:24,645 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 02:47:24,645 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 02:47:24,646 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:47:23" (3/4) ... [2024-11-14 02:47:24,649 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 02:47:24,650 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 02:47:24,651 INFO L158 Benchmark]: Toolchain (without parser) took 2618.06ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.7MB in the beginning and 278.7MB in the end (delta: -184.9MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2024-11-14 02:47:24,651 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 167.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:47:24,651 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.75ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 78.3MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 02:47:24,652 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.01ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 75.2MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:47:24,652 INFO L158 Benchmark]: Boogie Preprocessor took 61.36ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 72.8MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:47:24,653 INFO L158 Benchmark]: RCFGBuilder took 1411.14ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 72.8MB in the beginning and 307.5MB in the end (delta: -234.7MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. [2024-11-14 02:47:24,653 INFO L158 Benchmark]: TraceAbstraction took 675.94ms. Allocated memory is still 352.3MB. Free memory was 307.2MB in the beginning and 278.7MB in the end (delta: 28.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-14 02:47:24,653 INFO L158 Benchmark]: Witness Printer took 4.77ms. Allocated memory is still 352.3MB. Free memory is still 278.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:47:24,655 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 167.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 373.75ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 78.3MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.01ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 75.2MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 61.36ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 72.8MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1411.14ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 72.8MB in the beginning and 307.5MB in the end (delta: -234.7MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. * TraceAbstraction took 675.94ms. Allocated memory is still 352.3MB. Free memory was 307.2MB in the beginning and 278.7MB in the end (delta: 28.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 4.77ms. Allocated memory is still 352.3MB. Free memory is still 278.7MB. 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: 245]: 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 someBinaryArithmeticDOUBLEoperation at line 240, overapproximation of someBinaryArithmeticDOUBLEoperation at line 189, overapproximation of someUnaryDOUBLEoperation at line 154, overapproximation of someBinaryDOUBLEComparisonOperation at line 19. Possible FailurePath: [L21] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L148-L162] static const double one_asin = 1.00000000000000000000e+00, huge_asin = 1.000e+300, pio2_hi_asin = 1.57079632679489655800e+00, pio2_lo_asin = 6.12323399573676603587e-17, pio4_hi_asin = 7.85398163397448278999e-01, pS0_asin = 1.66666666666666657415e-01, pS1_asin = -3.25565818622400915405e-01, pS2_asin = 2.01212532134862925881e-01, pS3_asin = -4.00555345006794114027e-02, pS4_asin = 7.91534994289814532176e-04, pS5_asin = 3.47933107596021167570e-05, qS1_asin = -2.40339491173441421878e+00, qS2_asin = 2.02094576023350569471e+00, qS3_asin = -6.88283971605453293030e-01, qS4_asin = 7.70381505559019352791e-02; [L240] double x = -1.0 / 0.0; [L241] CALL, EXPR __ieee754_asin(x) [L165] double t, w, p, q, c, r, s; [L166] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L168] ieee_double_shape_type gh_u; [L169] gh_u.value = (x) [L170] EXPR gh_u.parts.msw [L170] (hx) = gh_u.parts.msw [L172] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1071644671, ix=1071644671, one_asin=1, one_sqrt=1, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009] [L173] COND FALSE !(ix >= 0x3ff00000) VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1071644671, ix=1071644671, one_asin=1, one_sqrt=1, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009] [L184] COND TRUE ix < 0x3fe00000 VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1071644671, ix=1071644671, one_asin=1, one_sqrt=1, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009] [L185] COND FALSE !(ix < 0x3e400000) [L189] t = x * x [L190-L193] p = t * (pS0_asin + t * (pS1_asin + t * (pS2_asin + t * (pS3_asin + t * (pS4_asin + t * pS5_asin))))) [L194-L195] q = one_asin + t * (qS1_asin + t * (qS2_asin + t * (qS3_asin + t * qS4_asin))) [L196] w = p / q [L197] return x + x * w; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1071644671, one_asin=1, one_sqrt=1, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009] [L241] RET, EXPR __ieee754_asin(x) [L241] double res = __ieee754_asin(x); [L244] CALL, EXPR isnan_double(res) [L19] return x != x; [L244] RET, EXPR isnan_double(res) [L244] COND TRUE !isnan_double(res) [L245] reach_error() VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 44 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 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 [2024-11-14 02:47:24,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0250b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E --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 ca3adcf38c8df0d32f55f5a4e40065c13b8c76dd47d7e99832a0410c2aac65d5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 02:47:27,397 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 02:47:27,514 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-14 02:47:27,522 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 02:47:27,522 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 02:47:27,550 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 02:47:27,550 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 02:47:27,551 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 02:47:27,551 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 02:47:27,551 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 02:47:27,551 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 02:47:27,551 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 02:47:27,551 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 02:47:27,551 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 02:47:27,552 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 02:47:27,552 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 02:47:27,552 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 02:47:27,552 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 02:47:27,552 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 02:47:27,552 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 02:47:27,586 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 02:47:27,586 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 02:47:27,587 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 02:47:27,587 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 02:47:27,587 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 02:47:27,587 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 02:47:27,587 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 02:47:27,587 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 02:47:27,587 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 02:47:27,587 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 02:47:27,587 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 02:47:27,588 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 02:47:27,588 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 02:47:27,588 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 02:47:27,588 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 02:47:27,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:47:27,588 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 02:47:27,588 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 02:47:27,588 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 02:47:27,589 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 02:47:27,589 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 02:47:27,589 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 02:47:27,589 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 02:47:27,589 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E 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 -> ca3adcf38c8df0d32f55f5a4e40065c13b8c76dd47d7e99832a0410c2aac65d5 [2024-11-14 02:47:27,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 02:47:27,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 02:47:27,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 02:47:27,950 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 02:47:27,951 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 02:47:27,952 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/float-newlib/double_req_bl_0250b.c Unable to find full path for "g++" [2024-11-14 02:47:29,886 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 02:47:30,218 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 02:47:30,223 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/sv-benchmarks/c/float-newlib/double_req_bl_0250b.c [2024-11-14 02:47:30,248 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/data/61f7b68eb/1801b789d0374343b85c864e8285360d/FLAG5d21fb481 [2024-11-14 02:47:30,275 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/data/61f7b68eb/1801b789d0374343b85c864e8285360d [2024-11-14 02:47:30,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 02:47:30,282 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 02:47:30,286 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 02:47:30,287 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 02:47:30,292 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 02:47:30,293 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:47:30" (1/1) ... [2024-11-14 02:47:30,294 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60fd290a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:30, skipping insertion in model container [2024-11-14 02:47:30,295 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 02:47:30" (1/1) ... [2024-11-14 02:47:30,329 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 02:47:30,649 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_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/sv-benchmarks/c/float-newlib/double_req_bl_0250b.c[5947,5960] [2024-11-14 02:47:30,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:47:30,680 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 02:47:30,755 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_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/sv-benchmarks/c/float-newlib/double_req_bl_0250b.c[5947,5960] [2024-11-14 02:47:30,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 02:47:30,778 INFO L204 MainTranslator]: Completed translation [2024-11-14 02:47:30,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:30 WrapperNode [2024-11-14 02:47:30,779 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 02:47:30,780 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 02:47:30,780 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 02:47:30,781 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 02:47:30,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:30" (1/1) ... [2024-11-14 02:47:30,812 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:30" (1/1) ... [2024-11-14 02:47:30,863 INFO L138 Inliner]: procedures = 21, calls = 43, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 287 [2024-11-14 02:47:30,863 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 02:47:30,864 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 02:47:30,864 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 02:47:30,864 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 02:47:30,872 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:30" (1/1) ... [2024-11-14 02:47:30,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:30" (1/1) ... [2024-11-14 02:47:30,881 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:30" (1/1) ... [2024-11-14 02:47:30,885 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:30" (1/1) ... [2024-11-14 02:47:30,910 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:30" (1/1) ... [2024-11-14 02:47:30,924 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:30" (1/1) ... [2024-11-14 02:47:30,930 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:30" (1/1) ... [2024-11-14 02:47:30,936 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:30" (1/1) ... [2024-11-14 02:47:30,943 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 02:47:30,944 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 02:47:30,948 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 02:47:30,948 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 02:47:30,950 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:30" (1/1) ... [2024-11-14 02:47:30,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 02:47:30,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 02:47:30,995 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 02:47:31,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 02:47:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 02:47:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-14 02:47:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-14 02:47:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 02:47:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 02:47:31,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-14 02:47:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 02:47:31,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 02:47:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-14 02:47:31,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 02:47:31,197 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 02:47:31,199 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 02:47:49,626 INFO L? ?]: Removed 72 outVars from TransFormulas that were not future-live. [2024-11-14 02:47:49,626 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 02:47:49,638 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 02:47:49,638 INFO L316 CfgBuilder]: Removed 18 assume(true) statements. [2024-11-14 02:47:49,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:47:49 BoogieIcfgContainer [2024-11-14 02:47:49,639 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 02:47:49,642 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 02:47:49,642 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 02:47:49,655 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 02:47:49,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 02:47:30" (1/3) ... [2024-11-14 02:47:49,656 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65cc3e37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:47:49, skipping insertion in model container [2024-11-14 02:47:49,657 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 02:47:30" (2/3) ... [2024-11-14 02:47:49,657 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65cc3e37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 02:47:49, skipping insertion in model container [2024-11-14 02:47:49,657 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:47:49" (3/3) ... [2024-11-14 02:47:49,658 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0250b.c [2024-11-14 02:47:49,674 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 02:47:49,676 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_0250b.c that has 1 procedures, 71 locations, 1 initial locations, 11 loop locations, and 1 error locations. [2024-11-14 02:47:49,729 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 02:47:49,741 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;@e2e73c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 02:47:49,741 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 02:47:49,745 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 69 states have (on average 1.681159420289855) internal successors, (116), 70 states have internal predecessors, (116), 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) [2024-11-14 02:47:49,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-14 02:47:49,751 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:47:49,752 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:47:49,753 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:47:49,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:47:49,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1165601973, now seen corresponding path program 1 times [2024-11-14 02:47:49,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:47:49,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1555205554] [2024-11-14 02:47:49,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:47:49,769 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 [2024-11-14 02:47:49,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:47:49,771 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 02:47:49,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 02:47:50,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:47:50,600 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-14 02:47:50,604 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:47:50,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:47:50,623 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:47:50,623 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:47:50,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1555205554] [2024-11-14 02:47:50,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1555205554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:47:50,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:47:50,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 02:47:50,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194416381] [2024-11-14 02:47:50,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:47:50,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 02:47:50,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:47:50,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 02:47:50,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 02:47:50,660 INFO L87 Difference]: Start difference. First operand has 71 states, 69 states have (on average 1.681159420289855) internal successors, (116), 70 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:47:50,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:47:50,688 INFO L93 Difference]: Finished difference Result 140 states and 230 transitions. [2024-11-14 02:47:50,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 02:47:50,691 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-14 02:47:50,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:47:50,700 INFO L225 Difference]: With dead ends: 140 [2024-11-14 02:47:50,700 INFO L226 Difference]: Without dead ends: 68 [2024-11-14 02:47:50,704 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 02:47:50,707 INFO L432 NwaCegarLoop]: 97 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, 97 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 [2024-11-14 02:47:50,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 02:47:50,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-14 02:47:50,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2024-11-14 02:47:50,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.4029850746268657) internal successors, (94), 67 states have internal predecessors, (94), 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) [2024-11-14 02:47:50,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 94 transitions. [2024-11-14 02:47:50,749 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 94 transitions. Word has length 11 [2024-11-14 02:47:50,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:47:50,750 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 94 transitions. [2024-11-14 02:47:50,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:47:50,750 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2024-11-14 02:47:50,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-14 02:47:50,751 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:47:50,751 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:47:50,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 02:47:50,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 02:47:50,952 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:47:50,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:47:50,953 INFO L85 PathProgramCache]: Analyzing trace with hash 909493448, now seen corresponding path program 1 times [2024-11-14 02:47:50,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:47:50,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [755102521] [2024-11-14 02:47:50,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:47:50,955 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 [2024-11-14 02:47:50,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:47:50,957 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 02:47:50,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 02:47:54,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:47:54,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-14 02:47:54,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:47:56,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:47:56,417 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:47:56,417 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:47:56,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [755102521] [2024-11-14 02:47:56,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [755102521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:47:56,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:47:56,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 02:47:56,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333740302] [2024-11-14 02:47:56,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:47:56,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 02:47:56,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:47:56,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 02:47:56,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-14 02:47:56,423 INFO L87 Difference]: Start difference. First operand 68 states and 94 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:47:59,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:47:59,224 INFO L93 Difference]: Finished difference Result 73 states and 98 transitions. [2024-11-14 02:47:59,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 02:47:59,226 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-14 02:47:59,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:47:59,226 INFO L225 Difference]: With dead ends: 73 [2024-11-14 02:47:59,226 INFO L226 Difference]: Without dead ends: 14 [2024-11-14 02:47:59,227 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-14 02:47:59,228 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 14 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-14 02:47:59,228 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 21 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-14 02:47:59,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-11-14 02:47:59,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-14 02:47:59,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.0) internal successors, (13), 13 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:47:59,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2024-11-14 02:47:59,232 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 12 [2024-11-14 02:47:59,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:47:59,233 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2024-11-14 02:47:59,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:47:59,233 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2024-11-14 02:47:59,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-14 02:47:59,233 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 02:47:59,233 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 02:47:59,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/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)] Ended with exit code 0 [2024-11-14 02:47:59,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 02:47:59,434 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 02:47:59,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 02:47:59,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1995559976, now seen corresponding path program 1 times [2024-11-14 02:47:59,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 02:47:59,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1239641574] [2024-11-14 02:47:59,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 02:47:59,436 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 [2024-11-14 02:47:59,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 02:47:59,441 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 02:47:59,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 02:48:00,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 02:48:00,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-14 02:48:00,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 02:48:03,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 02:48:03,001 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 02:48:03,002 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 02:48:03,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1239641574] [2024-11-14 02:48:03,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1239641574] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 02:48:03,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 02:48:03,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 02:48:03,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388451900] [2024-11-14 02:48:03,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 02:48:03,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 02:48:03,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 02:48:03,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 02:48:03,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-14 02:48:03,004 INFO L87 Difference]: Start difference. First operand 14 states and 13 transitions. Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:48:04,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:48:05,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 02:48:07,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 02:48:07,425 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2024-11-14 02:48:07,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 02:48:07,425 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-14 02:48:07,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 02:48:07,426 INFO L225 Difference]: With dead ends: 14 [2024-11-14 02:48:07,426 INFO L226 Difference]: Without dead ends: 0 [2024-11-14 02:48:07,426 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-14 02:48:07,427 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 3 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-14 02:48:07,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 20 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-14 02:48:07,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-14 02:48:07,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-14 02:48:07,430 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) [2024-11-14 02:48:07,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-14 02:48:07,431 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2024-11-14 02:48:07,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 02:48:07,431 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-14 02:48:07,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 02:48:07,431 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-14 02:48:07,431 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-14 02:48:07,434 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 02:48:07,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 02:48:07,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 02:48:07,638 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-14 02:48:07,639 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-14 02:48:09,200 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 02:48:09,217 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 02:48:09,219 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-14 02:48:09,219 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-14 02:48:09,219 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-14 02:48:09,220 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-14 02:48:09,220 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-14 02:48:09,220 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-14 02:48:09,220 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-14 02:48:09,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 02:48:09 BoogieIcfgContainer [2024-11-14 02:48:09,222 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 02:48:09,223 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 02:48:09,223 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 02:48:09,223 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 02:48:09,224 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 02:47:49" (3/4) ... [2024-11-14 02:48:09,226 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 02:48:09,234 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2024-11-14 02:48:09,235 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-14 02:48:09,235 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-14 02:48:09,236 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 02:48:09,343 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 02:48:09,343 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 02:48:09,343 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 02:48:09,344 INFO L158 Benchmark]: Toolchain (without parser) took 39061.92ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 76.7MB in the end (delta: 15.5MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2024-11-14 02:48:09,344 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:48:09,345 INFO L158 Benchmark]: CACSL2BoogieTranslator took 495.55ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 76.1MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 02:48:09,345 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.66ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 73.9MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:48:09,346 INFO L158 Benchmark]: Boogie Preprocessor took 80.14ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 71.5MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 02:48:09,347 INFO L158 Benchmark]: RCFGBuilder took 18694.40ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 45.6MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 02:48:09,347 INFO L158 Benchmark]: TraceAbstraction took 19580.65ms. Allocated memory is still 117.4MB. Free memory was 45.2MB in the beginning and 83.9MB in the end (delta: -38.7MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2024-11-14 02:48:09,347 INFO L158 Benchmark]: Witness Printer took 120.09ms. Allocated memory is still 117.4MB. Free memory was 83.9MB in the beginning and 76.7MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 02:48:09,350 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 495.55ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 76.1MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.66ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 73.9MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 80.14ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 71.5MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 18694.40ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 45.6MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 19580.65ms. Allocated memory is still 117.4MB. Free memory was 45.2MB in the beginning and 83.9MB in the end (delta: -38.7MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. * Witness Printer took 120.09ms. Allocated memory is still 117.4MB. Free memory was 83.9MB in the beginning and 76.7MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode * 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: 245]: 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 1 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 5.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 138 SdHoareTripleChecker+Invalid, 5.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 28 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 110 mSDtfsCounter, 38 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred in iteration=0, InterpolantAutomatonStates: 15, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 5.3s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 4 QuantifiedInterpolants, 229 SizeOfPredicates, 6 NumberOfNonLiveVariables, 181 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2024-11-14 02:48:09,569 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2024-11-14 02:48:09,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bde8ed-024e-4b96-9aa4-1ba0610c2cc3/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE