./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0670.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_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ef3aead09e1d04146222ba824ba5fd2f951ea3a53aa52ba41e6fea5dd6ebb3d5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:22:00,731 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:22:00,821 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 15:22:00,827 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:22:00,827 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:22:00,851 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:22:00,852 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:22:00,852 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:22:00,852 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:22:00,853 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:22:00,853 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:22:00,853 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:22:00,853 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:22:00,854 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:22:00,854 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:22:00,854 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:22:00,854 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:22:00,854 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:22:00,854 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:22:00,855 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:22:00,855 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:22:00,855 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:22:00,855 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:22:00,855 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:22:00,855 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:22:00,856 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:22:00,856 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:22:00,856 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:22:00,856 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:22:00,856 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:22:00,856 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:22:00,857 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:22:00,857 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:22:00,857 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:22:00,857 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:22:00,857 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:22:00,857 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:22:00,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:22:00,858 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:22:00,858 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:22:00,858 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:22:00,858 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:22:00,858 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd 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 -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef3aead09e1d04146222ba824ba5fd2f951ea3a53aa52ba41e6fea5dd6ebb3d5 [2024-11-13 15:22:01,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:22:01,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:22:01,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:22:01,190 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:22:01,190 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:22:01,192 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c Unable to find full path for "g++" [2024-11-13 15:22:03,293 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:22:03,632 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:22:03,633 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2024-11-13 15:22:03,644 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/data/22a0621ef/9cf02641959d4351b6c705b12cb128a0/FLAG616d759a6 [2024-11-13 15:22:03,668 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/data/22a0621ef/9cf02641959d4351b6c705b12cb128a0 [2024-11-13 15:22:03,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:22:03,675 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:22:03,677 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:22:03,678 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:22:03,687 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:22:03,688 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:22:03" (1/1) ... [2024-11-13 15:22:03,691 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45ced087 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:22:03, skipping insertion in model container [2024-11-13 15:22:03,691 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:22:03" (1/1) ... [2024-11-13 15:22:03,719 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:22:04,036 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_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/sv-benchmarks/c/float-newlib/float_req_bl_0670.c[5373,5386] [2024-11-13 15:22:04,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:22:04,063 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:22:04,141 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_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/sv-benchmarks/c/float-newlib/float_req_bl_0670.c[5373,5386] [2024-11-13 15:22:04,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:22:04,173 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:22:04,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:22:04 WrapperNode [2024-11-13 15:22:04,173 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:22:04,175 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:22:04,175 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:22:04,175 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:22:04,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:22:04" (1/1) ... [2024-11-13 15:22:04,195 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:22:04" (1/1) ... [2024-11-13 15:22:04,228 INFO L138 Inliner]: procedures = 21, calls = 82, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 250 [2024-11-13 15:22:04,229 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:22:04,230 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:22:04,230 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:22:04,230 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:22:04,240 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:22:04" (1/1) ... [2024-11-13 15:22:04,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:22:04" (1/1) ... [2024-11-13 15:22:04,246 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:22:04" (1/1) ... [2024-11-13 15:22:04,253 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-13 15:22:04,253 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:22:04" (1/1) ... [2024-11-13 15:22:04,254 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:22:04" (1/1) ... [2024-11-13 15:22:04,267 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:22:04" (1/1) ... [2024-11-13 15:22:04,273 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:22:04" (1/1) ... [2024-11-13 15:22:04,276 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:22:04" (1/1) ... [2024-11-13 15:22:04,277 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:22:04" (1/1) ... [2024-11-13 15:22:04,282 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:22:04,283 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:22:04,283 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:22:04,283 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:22:04,284 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:22:04" (1/1) ... [2024-11-13 15:22:04,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:22:04,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:22:04,323 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:22:04,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:22:04,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:22:04,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 15:22:04,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-13 15:22:04,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 15:22:04,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-13 15:22:04,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 15:22:04,359 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2024-11-13 15:22:04,359 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2024-11-13 15:22:04,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-13 15:22:04,359 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2024-11-13 15:22:04,359 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2024-11-13 15:22:04,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:22:04,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:22:04,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 15:22:04,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-13 15:22:04,360 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2024-11-13 15:22:04,360 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2024-11-13 15:22:04,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 15:22:04,503 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:22:04,506 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:22:05,152 INFO L? ?]: Removed 69 outVars from TransFormulas that were not future-live. [2024-11-13 15:22:05,152 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:22:05,168 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:22:05,168 INFO L316 CfgBuilder]: Removed 14 assume(true) statements. [2024-11-13 15:22:05,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:22:05 BoogieIcfgContainer [2024-11-13 15:22:05,169 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:22:05,171 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:22:05,171 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:22:05,179 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:22:05,179 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:22:03" (1/3) ... [2024-11-13 15:22:05,180 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1005b46a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:22:05, skipping insertion in model container [2024-11-13 15:22:05,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:22:04" (2/3) ... [2024-11-13 15:22:05,180 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1005b46a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:22:05, skipping insertion in model container [2024-11-13 15:22:05,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:22:05" (3/3) ... [2024-11-13 15:22:05,183 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0670.c [2024-11-13 15:22:05,201 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:22:05,203 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0670.c that has 4 procedures, 103 locations, 1 initial locations, 7 loop locations, and 1 error locations. [2024-11-13 15:22:05,281 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:22:05,294 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=PETRI_NET, 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;@1a12fa60, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:22:05,294 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 15:22:05,300 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 91 states have (on average 1.6263736263736264) internal successors, (148), 92 states have internal predecessors, (148), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-13 15:22:05,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 15:22:05,309 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:22:05,310 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:22:05,310 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:22:05,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:22:05,318 INFO L85 PathProgramCache]: Analyzing trace with hash -824755680, now seen corresponding path program 1 times [2024-11-13 15:22:05,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:22:05,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003897033] [2024-11-13 15:22:05,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:22:05,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:22:05,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:05,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:22:05,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:05,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-13 15:22:05,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:05,665 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 15:22:05,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:22:05,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003897033] [2024-11-13 15:22:05,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003897033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:22:05,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:22:05,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:22:05,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622433963] [2024-11-13 15:22:05,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:22:05,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 15:22:05,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:22:05,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 15:22:05,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:22:05,709 INFO L87 Difference]: Start difference. First operand has 103 states, 91 states have (on average 1.6263736263736264) internal successors, (148), 92 states have internal predecessors, (148), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 15:22:05,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:22:05,770 INFO L93 Difference]: Finished difference Result 198 states and 316 transitions. [2024-11-13 15:22:05,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 15:22:05,772 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 22 [2024-11-13 15:22:05,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:22:05,780 INFO L225 Difference]: With dead ends: 198 [2024-11-13 15:22:05,780 INFO L226 Difference]: Without dead ends: 99 [2024-11-13 15:22:05,783 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:22:05,786 INFO L432 NwaCegarLoop]: 147 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, 147 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 [2024-11-13 15:22:05,787 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:22:05,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-13 15:22:05,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-11-13 15:22:05,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 88 states have (on average 1.4545454545454546) internal successors, (128), 88 states have internal predecessors, (128), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-13 15:22:05,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 142 transitions. [2024-11-13 15:22:05,826 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 142 transitions. Word has length 22 [2024-11-13 15:22:05,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:22:05,827 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 142 transitions. [2024-11-13 15:22:05,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 15:22:05,827 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 142 transitions. [2024-11-13 15:22:05,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 15:22:05,830 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:22:05,830 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:22:05,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:22:05,831 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:22:05,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:22:05,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1477016664, now seen corresponding path program 1 times [2024-11-13 15:22:05,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:22:05,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769474295] [2024-11-13 15:22:05,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:22:05,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:22:05,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:22:05,993 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:22:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:22:06,101 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:22:06,102 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 15:22:06,104 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 15:22:06,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:22:06,110 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 15:22:06,172 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:22:06,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:22:06 BoogieIcfgContainer [2024-11-13 15:22:06,178 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:22:06,179 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:22:06,179 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:22:06,180 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:22:06,180 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:22:05" (3/4) ... [2024-11-13 15:22:06,184 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 15:22:06,185 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:22:06,187 INFO L158 Benchmark]: Toolchain (without parser) took 2511.45ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 89.2MB in the end (delta: 27.0MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2024-11-13 15:22:06,188 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:22:06,188 INFO L158 Benchmark]: CACSL2BoogieTranslator took 497.48ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 101.7MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:22:06,189 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.31ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 99.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:22:06,189 INFO L158 Benchmark]: Boogie Preprocessor took 52.30ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 97.2MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:22:06,189 INFO L158 Benchmark]: RCFGBuilder took 886.00ms. Allocated memory is still 142.6MB. Free memory was 97.2MB in the beginning and 71.1MB in the end (delta: 26.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 15:22:06,190 INFO L158 Benchmark]: TraceAbstraction took 1007.34ms. Allocated memory is still 142.6MB. Free memory was 70.6MB in the beginning and 89.5MB in the end (delta: -18.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:22:06,190 INFO L158 Benchmark]: Witness Printer took 5.94ms. Allocated memory is still 142.6MB. Free memory was 89.5MB in the beginning and 89.2MB in the end (delta: 245.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:22:06,195 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 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 497.48ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 101.7MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.31ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 99.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 52.30ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 97.2MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 886.00ms. Allocated memory is still 142.6MB. Free memory was 97.2MB in the beginning and 71.1MB in the end (delta: 26.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1007.34ms. Allocated memory is still 142.6MB. Free memory was 70.6MB in the beginning and 89.5MB in the end (delta: -18.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.94ms. Allocated memory is still 142.6MB. Free memory was 89.5MB in the beginning and 89.2MB in the end (delta: 245.8kB). 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: 236]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 15, overapproximation of someUnaryDOUBLEoperation at line 47, overapproximation of someBinaryArithmeticFLOAToperation at line 140. Possible FailurePath: [L32-L37] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L39-L44] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L46-L50] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L52-L54] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L120-L121] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L226] float x = __VERIFIER_nondet_float(); [L227] float y = __VERIFIER_nondet_float(); [L229] CALL, EXPR isnan_float(x) VAL [\old(x)=1000000000000000000000000000038, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L15] return x != x; VAL [\old(x)=1000000000000000000000000000038, \result=1, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L229] RET, EXPR isnan_float(x) VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000038, zero_atan2=0] [L229] isnan_float(x) || isnan_float(y) VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000038, zero_atan2=0] [L229] COND TRUE isnan_float(x) || isnan_float(y) [L232] CALL, EXPR __ieee754_atan2f(y, x) [L124] float z; [L125] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000038, y=1000000000000000000000000000035, zero_atan2=0] [L128] ieee_float_shape_type gf_u; [L129] gf_u.value = (x) [L130] EXPR gf_u.word [L130] (hx) = gf_u.word [L132] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2147483647, ix=2147483647, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000038, y=1000000000000000000000000000035, zero_atan2=0] [L134] ieee_float_shape_type gf_u; [L135] gf_u.value = (y) [L136] EXPR gf_u.word [L136] (hy) = gf_u.word [L138] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2147483647, hy=2147483647, ix=2147483647, iy=2147483647, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000038, y=1000000000000000000000000000035, zero_atan2=0] [L139] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L140] return x + y; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2147483647, hy=2147483647, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000038, y=1000000000000000000000000000035, zero_atan2=0] [L232] RET, EXPR __ieee754_atan2f(y, x) [L232] float res = __ieee754_atan2f(y, x); [L235] CALL, EXPR isnan_float(res) VAL [\old(x)=1000000000000000000000000000034, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L15] return x != x; VAL [\old(x)=1000000000000000000000000000034, \result=0, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L235] RET, EXPR isnan_float(res) VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000034, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L235] COND TRUE !isnan_float(res) [L236] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000034, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 103 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 147 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 147 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 3/3 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 [2024-11-13 15:22:06,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ef3aead09e1d04146222ba824ba5fd2f951ea3a53aa52ba41e6fea5dd6ebb3d5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:22:09,166 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:22:09,321 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 15:22:09,345 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:22:09,346 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:22:09,404 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:22:09,405 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:22:09,406 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:22:09,406 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:22:09,407 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:22:09,407 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:22:09,408 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:22:09,409 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:22:09,409 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:22:09,409 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:22:09,410 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:22:09,410 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:22:09,410 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:22:09,410 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:22:09,411 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:22:09,411 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:22:09,411 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:22:09,411 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:22:09,411 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 15:22:09,412 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 15:22:09,412 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:22:09,412 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 15:22:09,412 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:22:09,412 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:22:09,412 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:22:09,413 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:22:09,413 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:22:09,413 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:22:09,413 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:22:09,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:22:09,414 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:22:09,414 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:22:09,415 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:22:09,415 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 15:22:09,415 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 15:22:09,415 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:22:09,415 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:22:09,415 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:22:09,415 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:22:09,415 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd 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 -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef3aead09e1d04146222ba824ba5fd2f951ea3a53aa52ba41e6fea5dd6ebb3d5 [2024-11-13 15:22:09,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:22:09,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:22:09,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:22:09,830 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:22:09,830 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:22:09,831 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c Unable to find full path for "g++" [2024-11-13 15:22:12,041 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:22:12,428 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:22:12,429 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2024-11-13 15:22:12,442 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/data/93147daed/437dea912b1f48e1bfa7295093ed5f50/FLAGce894f2d6 [2024-11-13 15:22:12,470 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/data/93147daed/437dea912b1f48e1bfa7295093ed5f50 [2024-11-13 15:22:12,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:22:12,479 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:22:12,481 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:22:12,481 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:22:12,488 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:22:12,489 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:22:12" (1/1) ... [2024-11-13 15:22:12,491 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e68087d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:22:12, skipping insertion in model container [2024-11-13 15:22:12,492 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:22:12" (1/1) ... [2024-11-13 15:22:12,523 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:22:12,846 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_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/sv-benchmarks/c/float-newlib/float_req_bl_0670.c[5373,5386] [2024-11-13 15:22:12,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:22:12,882 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:22:12,981 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_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/sv-benchmarks/c/float-newlib/float_req_bl_0670.c[5373,5386] [2024-11-13 15:22:12,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:22:13,025 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:22:13,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:22:13 WrapperNode [2024-11-13 15:22:13,026 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:22:13,028 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:22:13,028 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:22:13,029 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:22:13,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:22:13" (1/1) ... [2024-11-13 15:22:13,070 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:22:13" (1/1) ... [2024-11-13 15:22:13,122 INFO L138 Inliner]: procedures = 24, calls = 82, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 232 [2024-11-13 15:22:13,123 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:22:13,124 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:22:13,124 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:22:13,124 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:22:13,136 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:22:13" (1/1) ... [2024-11-13 15:22:13,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:22:13" (1/1) ... [2024-11-13 15:22:13,146 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:22:13" (1/1) ... [2024-11-13 15:22:13,196 INFO L175 MemorySlicer]: Split 53 memory accesses to 11 slices as follows [2, 2, 7, 2, 7, 23, 2, 2, 2, 2, 2]. 43 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 0, 4, 0, 4, 0, 0, 0, 0, 0, 0]. The 19 writes are split as follows [0, 1, 0, 1, 0, 12, 1, 1, 1, 1, 1]. [2024-11-13 15:22:13,197 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:22:13" (1/1) ... [2024-11-13 15:22:13,197 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:22:13" (1/1) ... [2024-11-13 15:22:13,239 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:22:13" (1/1) ... [2024-11-13 15:22:13,253 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:22:13" (1/1) ... [2024-11-13 15:22:13,265 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:22:13" (1/1) ... [2024-11-13 15:22:13,272 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:22:13" (1/1) ... [2024-11-13 15:22:13,284 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:22:13,285 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:22:13,285 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:22:13,285 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:22:13,286 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:22:13" (1/1) ... [2024-11-13 15:22:13,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:22:13,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:22:13,328 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:22:13,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:22:13,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:22:13,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-13 15:22:13,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-13 15:22:13,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-13 15:22:13,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-13 15:22:13,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-13 15:22:13,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-13 15:22:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-13 15:22:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-13 15:22:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-11-13 15:22:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-11-13 15:22:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-11-13 15:22:13,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 15:22:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-13 15:22:13,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-13 15:22:13,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-13 15:22:13,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-13 15:22:13,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-13 15:22:13,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-13 15:22:13,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-13 15:22:13,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-13 15:22:13,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-13 15:22:13,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-13 15:22:13,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 15:22:13,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-13 15:22:13,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-13 15:22:13,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-13 15:22:13,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-13 15:22:13,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-13 15:22:13,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-13 15:22:13,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-13 15:22:13,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-13 15:22:13,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-13 15:22:13,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-13 15:22:13,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-13 15:22:13,379 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2024-11-13 15:22:13,379 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2024-11-13 15:22:13,379 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2024-11-13 15:22:13,379 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2024-11-13 15:22:13,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-13 15:22:13,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-13 15:22:13,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-13 15:22:13,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-13 15:22:13,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-13 15:22:13,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-13 15:22:13,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-13 15:22:13,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-13 15:22:13,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-13 15:22:13,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-13 15:22:13,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-13 15:22:13,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-13 15:22:13,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-13 15:22:13,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2 [2024-11-13 15:22:13,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3 [2024-11-13 15:22:13,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4 [2024-11-13 15:22:13,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5 [2024-11-13 15:22:13,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6 [2024-11-13 15:22:13,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7 [2024-11-13 15:22:13,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8 [2024-11-13 15:22:13,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9 [2024-11-13 15:22:13,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10 [2024-11-13 15:22:13,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:22:13,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:22:13,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-13 15:22:13,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-13 15:22:13,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-13 15:22:13,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-13 15:22:13,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-13 15:22:13,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-13 15:22:13,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-13 15:22:13,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-13 15:22:13,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-13 15:22:13,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-13 15:22:13,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-13 15:22:13,386 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2024-11-13 15:22:13,386 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2024-11-13 15:22:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-13 15:22:13,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-13 15:22:13,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-13 15:22:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-13 15:22:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-13 15:22:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-13 15:22:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-13 15:22:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-13 15:22:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-13 15:22:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-13 15:22:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-13 15:22:13,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 15:22:13,641 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:22:13,643 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:22:39,305 INFO L? ?]: Removed 78 outVars from TransFormulas that were not future-live. [2024-11-13 15:22:39,305 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:22:39,317 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:22:39,318 INFO L316 CfgBuilder]: Removed 14 assume(true) statements. [2024-11-13 15:22:39,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:22:39 BoogieIcfgContainer [2024-11-13 15:22:39,318 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:22:39,321 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:22:39,321 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:22:39,327 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:22:39,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:22:12" (1/3) ... [2024-11-13 15:22:39,328 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a268fd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:22:39, skipping insertion in model container [2024-11-13 15:22:39,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:22:13" (2/3) ... [2024-11-13 15:22:39,328 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a268fd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:22:39, skipping insertion in model container [2024-11-13 15:22:39,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:22:39" (3/3) ... [2024-11-13 15:22:39,330 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0670.c [2024-11-13 15:22:39,347 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:22:39,349 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0670.c that has 4 procedures, 95 locations, 1 initial locations, 7 loop locations, and 1 error locations. [2024-11-13 15:22:39,404 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:22:39,417 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=PETRI_NET, 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;@5b883b81, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:22:39,417 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 15:22:39,421 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 83 states have (on average 1.6385542168674698) internal successors, (136), 84 states have internal predecessors, (136), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-13 15:22:39,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 15:22:39,430 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:22:39,431 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:22:39,431 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:22:39,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:22:39,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1167514674, now seen corresponding path program 1 times [2024-11-13 15:22:39,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:22:39,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [379562316] [2024-11-13 15:22:39,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:22:39,449 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 15:22:39,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:22:39,454 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 15:22:39,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 15:22:40,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:40,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 15:22:40,742 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:22:40,765 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:22:40,766 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:22:40,766 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:22:40,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [379562316] [2024-11-13 15:22:40,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [379562316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:22:40,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:22:40,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:22:40,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568948998] [2024-11-13 15:22:40,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:22:40,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 15:22:40,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:22:40,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 15:22:40,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:22:40,799 INFO L87 Difference]: Start difference. First operand has 95 states, 83 states have (on average 1.6385542168674698) internal successors, (136), 84 states have internal predecessors, (136), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 15:22:40,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:22:40,832 INFO L93 Difference]: Finished difference Result 182 states and 292 transitions. [2024-11-13 15:22:40,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 15:22:40,835 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 21 [2024-11-13 15:22:40,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:22:40,843 INFO L225 Difference]: With dead ends: 182 [2024-11-13 15:22:40,844 INFO L226 Difference]: Without dead ends: 91 [2024-11-13 15:22:40,848 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:22:40,852 INFO L432 NwaCegarLoop]: 135 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, 135 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 [2024-11-13 15:22:40,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:22:40,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-13 15:22:40,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-11-13 15:22:40,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 80 states have (on average 1.45) internal successors, (116), 80 states have internal predecessors, (116), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-13 15:22:40,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 130 transitions. [2024-11-13 15:22:40,910 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 130 transitions. Word has length 21 [2024-11-13 15:22:40,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:22:40,911 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 130 transitions. [2024-11-13 15:22:40,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 15:22:40,913 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 130 transitions. [2024-11-13 15:22:40,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 15:22:40,916 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:22:40,917 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:22:40,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-13 15:22:41,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 15:22:41,118 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:22:41,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:22:41,118 INFO L85 PathProgramCache]: Analyzing trace with hash 453921430, now seen corresponding path program 1 times [2024-11-13 15:22:41,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:22:41,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1299974315] [2024-11-13 15:22:41,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:22:41,119 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 [2024-11-13 15:22:41,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:22:41,123 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 15:22:41,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 15:22:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:22:42,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 15:22:42,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:22:46,334 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:22:46,334 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:22:58,158 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 15:22:58,158 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:22:58,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1299974315] [2024-11-13 15:22:58,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1299974315] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:22:58,158 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:22:58,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 21 [2024-11-13 15:22:58,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732164011] [2024-11-13 15:22:58,158 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:22:58,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-13 15:22:58,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:22:58,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-13 15:22:58,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2024-11-13 15:22:58,166 INFO L87 Difference]: Start difference. First operand 91 states and 130 transitions. Second operand has 21 states, 19 states have (on average 1.9473684210526316) internal successors, (37), 17 states have internal predecessors, (37), 4 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-13 15:23:00,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:23:02,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:23:05,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:23:06,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:23:07,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:23:08,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:23:23,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:23:29,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:23:42,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:23:44,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:24:00,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.50s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:24:04,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:24:08,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:24:12,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:24:16,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:24:20,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:24:24,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:24:28,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:24:32,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:24:36,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:24:40,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:24:44,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:24:48,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:24:52,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:24:56,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:25:00,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:25:04,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:25:08,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:25:12,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:25:16,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:25:18,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:25:21,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:25:25,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:25:26,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:25:31,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:25:34,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:25:39,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:25:40,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:25:42,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:25:47,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.57s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 15:25:52,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:25:55,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:25:57,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:26:01,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.50s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:26:03,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 15:26:06,233 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:26:09,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:26:13,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 15:26:14,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 15:26:18,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.79s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:26:22,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:26:24,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:26:26,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:26:29,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:26:39,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:26:39,373 INFO L93 Difference]: Finished difference Result 146 states and 213 transitions. [2024-11-13 15:26:39,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 15:26:39,377 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 1.9473684210526316) internal successors, (37), 17 states have internal predecessors, (37), 4 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 23 [2024-11-13 15:26:39,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:26:39,379 INFO L225 Difference]: With dead ends: 146 [2024-11-13 15:26:39,379 INFO L226 Difference]: Without dead ends: 140 [2024-11-13 15:26:39,380 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 15.2s TimeCoverageRelationStatistics Valid=93, Invalid=557, Unknown=0, NotChecked=0, Total=650 [2024-11-13 15:26:39,380 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 313 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 10 mSolverCounterUnsat, 24 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 214.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 1097 SdHoareTripleChecker+Invalid, 619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 24 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 216.6s IncrementalHoareTripleChecker+Time [2024-11-13 15:26:39,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 1097 Invalid, 619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 585 Invalid, 24 Unknown, 0 Unchecked, 216.6s Time] [2024-11-13 15:26:39,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-13 15:26:39,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 99. [2024-11-13 15:26:39,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 88 states have (on average 1.4090909090909092) internal successors, (124), 88 states have internal predecessors, (124), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-13 15:26:39,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 138 transitions. [2024-11-13 15:26:39,395 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 138 transitions. Word has length 23 [2024-11-13 15:26:39,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:26:39,395 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 138 transitions. [2024-11-13 15:26:39,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 1.9473684210526316) internal successors, (37), 17 states have internal predecessors, (37), 4 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-13 15:26:39,396 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 138 transitions. [2024-11-13 15:26:39,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 15:26:39,397 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:26:39,397 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:26:39,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 15:26:39,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 15:26:39,598 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:26:39,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:26:39,600 INFO L85 PathProgramCache]: Analyzing trace with hash 723550897, now seen corresponding path program 1 times [2024-11-13 15:26:39,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:26:39,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [754476327] [2024-11-13 15:26:39,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:26:39,602 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 [2024-11-13 15:26:39,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:26:39,605 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 15:26:39,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 15:26:40,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:26:40,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 15:26:40,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:26:42,262 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 15:26:42,262 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:26:42,262 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:26:42,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [754476327] [2024-11-13 15:26:42,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [754476327] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:26:42,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:26:42,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 15:26:42,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112670628] [2024-11-13 15:26:42,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:26:42,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 15:26:42,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:26:42,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 15:26:42,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 15:26:42,264 INFO L87 Difference]: Start difference. First operand 99 states and 138 transitions. Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 8 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 15:26:43,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:26:43,951 INFO L93 Difference]: Finished difference Result 175 states and 249 transitions. [2024-11-13 15:26:43,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 15:26:43,952 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 8 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2024-11-13 15:26:43,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:26:43,953 INFO L225 Difference]: With dead ends: 175 [2024-11-13 15:26:43,953 INFO L226 Difference]: Without dead ends: 91 [2024-11-13 15:26:43,954 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:26:43,955 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 11 mSDsluCounter, 824 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 945 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:26:43,955 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 945 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-13 15:26:43,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-13 15:26:43,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-11-13 15:26:43,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 80 states have (on average 1.4375) internal successors, (115), 80 states have internal predecessors, (115), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-13 15:26:43,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 129 transitions. [2024-11-13 15:26:43,964 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 129 transitions. Word has length 26 [2024-11-13 15:26:43,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:26:43,964 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 129 transitions. [2024-11-13 15:26:43,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 8 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 15:26:43,965 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions. [2024-11-13 15:26:43,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 15:26:43,965 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:26:43,966 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:26:43,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 15:26:44,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 15:26:44,166 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:26:44,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:26:44,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1248432577, now seen corresponding path program 1 times [2024-11-13 15:26:44,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:26:44,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1385773666] [2024-11-13 15:26:44,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:26:44,167 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 [2024-11-13 15:26:44,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:26:44,169 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 15:26:44,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-13 15:26:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:26:45,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 15:26:45,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:26:48,352 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 15:26:48,352 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:27:00,338 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 15:27:00,338 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:27:00,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1385773666] [2024-11-13 15:27:00,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1385773666] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:27:00,339 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:27:00,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 19 [2024-11-13 15:27:00,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450867031] [2024-11-13 15:27:00,339 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:27:00,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-13 15:27:00,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:27:00,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-13 15:27:00,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2024-11-13 15:27:00,341 INFO L87 Difference]: Start difference. First operand 91 states and 129 transitions. Second operand has 19 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 15 states have internal predecessors, (43), 4 states have call successors, (6), 2 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-13 15:27:02,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:27:03,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:27:05,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:27:07,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:27:18,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:27:34,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 15:27:38,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:27:51,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.60s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:27:55,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:27:59,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:28:03,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:28:07,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:28:11,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:28:15,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:28:19,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:28:23,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:28:27,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:28:31,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:28:35,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:28:39,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:28:43,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:28:47,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:28:51,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:28:55,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:29:01,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:29:04,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:29:08,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:29:10,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:29:15,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:29:18,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 15:29:22,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:29:26,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:29:30,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:29:34,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:29:43,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 15:29:45,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 15:29:49,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.48s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 15:29:54,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:29:56,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:30:00,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:30:02,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 15:30:03,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 15:30:08,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:30:11,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:30:15,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 15:30:19,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 15:30:23,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 15:30:27,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:30:31,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 15:30:33,703 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:30:37,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:30:40,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 15:30:43,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.40s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:30:46,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:30:47,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-13 15:30:51,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:30:51,638 INFO L93 Difference]: Finished difference Result 97 states and 135 transitions. [2024-11-13 15:30:51,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 15:30:51,642 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 15 states have internal predecessors, (43), 4 states have call successors, (6), 2 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) Word has length 28 [2024-11-13 15:30:51,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:30:51,643 INFO L225 Difference]: With dead ends: 97 [2024-11-13 15:30:51,643 INFO L226 Difference]: Without dead ends: 91 [2024-11-13 15:30:51,644 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 12.1s TimeCoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2024-11-13 15:30:51,645 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 105 mSDsluCounter, 732 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 8 mSolverCounterUnsat, 33 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 226.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 824 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 33 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 227.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:30:51,645 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 824 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 441 Invalid, 33 Unknown, 0 Unchecked, 227.5s Time] [2024-11-13 15:30:51,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-13 15:30:51,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-11-13 15:30:51,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 80 states have (on average 1.4125) internal successors, (113), 80 states have internal predecessors, (113), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-13 15:30:51,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 127 transitions. [2024-11-13 15:30:51,653 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 127 transitions. Word has length 28 [2024-11-13 15:30:51,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:30:51,653 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 127 transitions. [2024-11-13 15:30:51,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 15 states have internal predecessors, (43), 4 states have call successors, (6), 2 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-13 15:30:51,654 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 127 transitions. [2024-11-13 15:30:51,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 15:30:51,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:30:51,655 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:30:51,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-13 15:30:51,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 15:30:51,855 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:30:51,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:30:51,856 INFO L85 PathProgramCache]: Analyzing trace with hash 869159528, now seen corresponding path program 1 times [2024-11-13 15:30:51,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:30:51,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1180658409] [2024-11-13 15:30:51,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:30:51,856 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 [2024-11-13 15:30:51,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:30:51,858 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 15:30:51,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-13 15:30:52,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:30:52,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 15:30:52,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:30:53,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-13 15:30:53,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 20 [2024-11-13 15:30:54,237 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 15:30:54,237 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:30:54,237 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:30:54,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1180658409] [2024-11-13 15:30:54,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1180658409] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:30:54,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:30:54,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 15:30:54,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570374096] [2024-11-13 15:30:54,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:30:54,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 15:30:54,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:30:54,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 15:30:54,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-13 15:30:54,239 INFO L87 Difference]: Start difference. First operand 91 states and 127 transitions. Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 7 states have internal predecessors, (25), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 15:30:54,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:30:54,937 INFO L93 Difference]: Finished difference Result 94 states and 129 transitions. [2024-11-13 15:30:54,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 15:30:54,938 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 7 states have internal predecessors, (25), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 31 [2024-11-13 15:30:54,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:30:54,938 INFO L225 Difference]: With dead ends: 94 [2024-11-13 15:30:54,938 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 15:30:54,939 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-13 15:30:54,940 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 4 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 15:30:54,940 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 71 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 15:30:54,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 15:30:54,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 15:30:54,941 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) [2024-11-13 15:30:54,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 15:30:54,942 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2024-11-13 15:30:54,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:30:54,942 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 15:30:54,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 7 states have internal predecessors, (25), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 15:30:54,942 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 15:30:54,942 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 15:30:54,945 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 15:30:54,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-13 15:30:55,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 15:30:55,148 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-13 15:30:55,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 15:30:59,701 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:30:59,716 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-13 15:30:59,717 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-13 15:30:59,717 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-13 15:30:59,718 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-13 15:30:59,718 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-13 15:30:59,718 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-13 15:30:59,720 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-13 15:30:59,720 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-13 15:30:59,720 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-13 15:30:59,720 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-13 15:30:59,720 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 15:30:59,720 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-13 15:30:59,720 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-13 15:30:59,720 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-13 15:30:59,727 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-13 15:30:59,727 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-13 15:30:59,727 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-13 15:30:59,727 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-13 15:30:59,727 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-13 15:30:59,728 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-13 15:30:59,732 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function fabs_float [2024-11-13 15:30:59,732 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function fabs_float [2024-11-13 15:30:59,732 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function fabs_float [2024-11-13 15:30:59,733 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function atan_float [2024-11-13 15:30:59,733 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function atan_float [2024-11-13 15:30:59,733 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function atan_float [2024-11-13 15:30:59,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:30:59 BoogieIcfgContainer [2024-11-13 15:30:59,734 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:30:59,735 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:30:59,735 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:30:59,735 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:30:59,736 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:22:39" (3/4) ... [2024-11-13 15:30:59,739 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 15:30:59,745 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2024-11-13 15:30:59,745 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2024-11-13 15:30:59,746 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2024-11-13 15:30:59,756 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2024-11-13 15:30:59,756 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-13 15:30:59,757 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 15:30:59,757 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 15:30:59,864 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 15:30:59,865 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 15:30:59,865 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:30:59,866 INFO L158 Benchmark]: Toolchain (without parser) took 527386.57ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 76.8MB in the end (delta: 15.4MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2024-11-13 15:30:59,866 INFO L158 Benchmark]: CDTParser took 4.43ms. Allocated memory is still 117.4MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:30:59,867 INFO L158 Benchmark]: CACSL2BoogieTranslator took 545.82ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 76.6MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 15:30:59,867 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.03ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 74.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:30:59,867 INFO L158 Benchmark]: Boogie Preprocessor took 160.14ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 69.9MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:30:59,868 INFO L158 Benchmark]: RCFGBuilder took 26033.78ms. Allocated memory is still 117.4MB. Free memory was 69.7MB in the beginning and 79.7MB in the end (delta: -10.0MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2024-11-13 15:30:59,868 INFO L158 Benchmark]: TraceAbstraction took 500412.96ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 84.1MB in the end (delta: -4.9MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. [2024-11-13 15:30:59,869 INFO L158 Benchmark]: Witness Printer took 130.06ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 76.8MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:30:59,872 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.43ms. Allocated memory is still 117.4MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 545.82ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 76.6MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.03ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 74.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 160.14ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 69.9MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 26033.78ms. Allocated memory is still 117.4MB. Free memory was 69.7MB in the beginning and 79.7MB in the end (delta: -10.0MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. * TraceAbstraction took 500412.96ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 84.1MB in the end (delta: -4.9MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. * Witness Printer took 130.06ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 76.8MB in the end (delta: 7.3MB). 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: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - 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: BitVectorAccessExpression - 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: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function fabs_float - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function fabs_float - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function fabs_float - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function atan_float - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function atan_float - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function atan_float * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 236]: 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 4 procedures, 95 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 495.8s, OverallIterations: 5, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 455.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 57 mSolverCounterUnknown, 442 SdHoareTripleChecker+Valid, 445.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 433 mSDsluCounter, 3072 SdHoareTripleChecker+Invalid, 442.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2620 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1155 IncrementalHoareTripleChecker+Invalid, 1231 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 452 mSDtfsCounter, 1155 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 187 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 4 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 29.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=99occurred in iteration=2, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 41 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 4.4s SatisfiabilityAnalysisTime, 34.4s InterpolantComputationTime, 129 NumberOfCodeBlocks, 129 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 173 ConstructedInterpolants, 35 QuantifiedInterpolants, 1230 SizeOfPredicates, 17 NumberOfNonLiveVariables, 742 ConjunctsInSsa, 61 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 26/39 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: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - ProcedureContractResult [Line: 15]: Procedure Contract for isnan_float Derived contract for procedure isnan_float. Ensures: (((0 == \result) || (1 == \result)) && (((((((((((atanhi_atan == \old(atanhi_atan)) && (atanlo_atan == \old(atanlo_atan))) && (aT_atan == \old(aT_atan))) && (one_atan == \old(one_atan))) && (huge_atan == \old(huge_atan))) && (pi_o_4 == \old(pi_o_4))) && (pi_o_2 == \old(pi_o_2))) && (pi == \old(pi))) && (tiny_atan2 == \old(tiny_atan2))) && (zero_atan2 == \old(zero_atan2))) && (pi_lo_atan2 == \old(pi_lo_atan2)))) - ProcedureContractResult [Line: 17]: Procedure Contract for fabs_float Derived contract for procedure fabs_float. Requires: 0 Ensures: (0 && ((((((((one_atan == \old(one_atan)) && (huge_atan == \old(huge_atan))) && (pi_o_4 == \old(pi_o_4))) && (pi_o_2 == \old(pi_o_2))) && (pi == \old(pi))) && (tiny_atan2 == \old(tiny_atan2))) && (zero_atan2 == \old(zero_atan2))) && (pi_lo_atan2 == \old(pi_lo_atan2)))) - ProcedureContractResult [Line: 56]: Procedure Contract for atan_float Derived contract for procedure atan_float. Requires: 0 Ensures: (0 && ((((((((one_atan == \old(one_atan)) && (huge_atan == \old(huge_atan))) && (pi_o_4 == \old(pi_o_4))) && (pi_o_2 == \old(pi_o_2))) && (pi == \old(pi))) && (tiny_atan2 == \old(tiny_atan2))) && (zero_atan2 == \old(zero_atan2))) && (pi_lo_atan2 == \old(pi_lo_atan2)))) RESULT: Ultimate proved your program to be correct! [2024-11-13 15:31:00,084 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-13 15:31:00,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7b09d9b-a405-4a1c-9596-a93bbd85b5b3/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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