./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0683b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0683b.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --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 6672481a7838a56be1f1fe8bf2e494e3680a5c6a5ddaa173ab670073cd565312 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:45:33,819 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:45:33,879 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 18:45:33,883 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:45:33,883 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:45:33,904 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:45:33,904 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:45:33,905 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:45:33,905 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:45:33,905 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:45:33,905 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:45:33,905 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:45:33,905 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:45:33,905 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:45:33,905 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:45:33,905 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:45:33,907 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:45:33,907 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:45:33,907 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 18:45:33,907 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:45:33,907 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:45:33,907 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:45:33,907 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:45:33,907 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:45:33,907 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:45:33,907 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:45:33,907 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:45:33,907 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:45:33,907 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:45:33,907 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:45:33,907 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:45:33,907 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:45:33,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:45:33,907 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:45:33,907 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:45:33,908 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:45:33,908 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:45:33,908 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 18:45:33,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 18:45:33,908 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:45:33,908 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:45:33,908 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:45:33,908 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:45:33,908 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux 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 -> 6672481a7838a56be1f1fe8bf2e494e3680a5c6a5ddaa173ab670073cd565312 [2025-02-07 18:45:34,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:45:34,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:45:34,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:45:34,151 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:45:34,151 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:45:34,152 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0683b.c [2025-02-07 18:45:35,317 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6852d7a8a/fc2c8c713ba54d7a9cd2caca5cbef091/FLAG37c457f68 [2025-02-07 18:45:35,584 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:45:35,585 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0683b.c [2025-02-07 18:45:35,591 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6852d7a8a/fc2c8c713ba54d7a9cd2caca5cbef091/FLAG37c457f68 [2025-02-07 18:45:35,901 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6852d7a8a/fc2c8c713ba54d7a9cd2caca5cbef091 [2025-02-07 18:45:35,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:45:35,906 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:45:35,907 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:45:35,907 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:45:35,912 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:45:35,912 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:45:35" (1/1) ... [2025-02-07 18:45:35,913 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@404c46e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:45:35, skipping insertion in model container [2025-02-07 18:45:35,913 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:45:35" (1/1) ... [2025-02-07 18:45:35,931 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:45:36,082 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0683b.c[5824,5837] [2025-02-07 18:45:36,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:45:36,097 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:45:36,127 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0683b.c[5824,5837] [2025-02-07 18:45:36,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:45:36,152 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:45:36,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:45:36 WrapperNode [2025-02-07 18:45:36,156 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:45:36,157 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:45:36,157 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:45:36,157 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:45:36,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:45:36" (1/1) ... [2025-02-07 18:45:36,180 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:45:36" (1/1) ... [2025-02-07 18:45:36,202 INFO L138 Inliner]: procedures = 22, calls = 89, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 287 [2025-02-07 18:45:36,203 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:45:36,203 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:45:36,203 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:45:36,203 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:45:36,211 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:45:36" (1/1) ... [2025-02-07 18:45:36,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:45:36" (1/1) ... [2025-02-07 18:45:36,219 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:45:36" (1/1) ... [2025-02-07 18:45:36,230 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-02-07 18:45:36,230 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:45:36" (1/1) ... [2025-02-07 18:45:36,230 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:45:36" (1/1) ... [2025-02-07 18:45:36,241 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:45:36" (1/1) ... [2025-02-07 18:45:36,246 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:45:36" (1/1) ... [2025-02-07 18:45:36,248 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:45:36" (1/1) ... [2025-02-07 18:45:36,249 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:45:36" (1/1) ... [2025-02-07 18:45:36,258 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:45:36,258 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:45:36,258 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:45:36,259 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:45:36,259 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:45:36" (1/1) ... [2025-02-07 18:45:36,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:45:36,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:45:36,297 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-07 18:45:36,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-07 18:45:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:45:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-07 18:45:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2025-02-07 18:45:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:45:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2025-02-07 18:45:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-07 18:45:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2025-02-07 18:45:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2025-02-07 18:45:36,313 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2025-02-07 18:45:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:45:36,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:45:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-02-07 18:45:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2025-02-07 18:45:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2025-02-07 18:45:36,313 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2025-02-07 18:45:36,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:45:36,382 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:45:36,384 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:45:36,669 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L256-1: main_#t~ret43#1 := __signbit_float_#res#1;havoc __signbit_float_#t~mem38#1, __signbit_float_~#gf_u~5#1.base, __signbit_float_~#gf_u~5#1.offset, __signbit_float_~x#1, __signbit_float_~w~1#1;havoc __signbit_float_#in~x#1;assume { :end_inline___signbit_float } true;assume -2147483648 <= main_#t~ret43#1 && main_#t~ret43#1 <= 2147483647;main_#t~short44#1 := 0 == main_#t~ret43#1; [2025-02-07 18:45:36,727 INFO L? ?]: Removed 78 outVars from TransFormulas that were not future-live. [2025-02-07 18:45:36,728 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:45:36,745 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:45:36,745 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:45:36,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:45:36 BoogieIcfgContainer [2025-02-07 18:45:36,745 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:45:36,747 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:45:36,747 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:45:36,750 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:45:36,750 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:45:35" (1/3) ... [2025-02-07 18:45:36,751 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63fa253b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:45:36, skipping insertion in model container [2025-02-07 18:45:36,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:45:36" (2/3) ... [2025-02-07 18:45:36,751 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63fa253b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:45:36, skipping insertion in model container [2025-02-07 18:45:36,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:45:36" (3/3) ... [2025-02-07 18:45:36,753 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_0683b.c [2025-02-07 18:45:36,762 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:45:36,763 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0683b.c that has 3 procedures, 123 locations, 1 initial locations, 18 loop locations, and 10 error locations. [2025-02-07 18:45:36,808 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:45:36,816 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;@5aedd63f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:45:36,817 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2025-02-07 18:45:36,820 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 103 states have (on average 1.766990291262136) internal successors, (182), 116 states have internal predecessors, (182), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-07 18:45:36,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-07 18:45:36,824 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 18:45:36,824 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-07 18:45:36,824 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [fabs_floatErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, fabs_floatErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2025-02-07 18:45:36,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 18:45:36,828 INFO L85 PathProgramCache]: Analyzing trace with hash 7293790, now seen corresponding path program 1 times [2025-02-07 18:45:36,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 18:45:36,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708024331] [2025-02-07 18:45:36,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 18:45:36,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 18:45:36,895 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:45:36,941 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:45:36,941 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:45:36,942 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:45:36,942 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-07 18:45:36,949 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:45:36,972 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:45:36,975 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:45:36,975 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:45:36,994 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-07 18:45:36,995 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-07 18:45:36,995 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONUNSUPPORTED_FEATURE (9 of 10 remaining) [2025-02-07 18:45:36,997 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location fabs_floatErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (8 of 10 remaining) [2025-02-07 18:45:36,997 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location fabs_floatErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (7 of 10 remaining) [2025-02-07 18:45:36,997 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 10 remaining) [2025-02-07 18:45:36,997 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (5 of 10 remaining) [2025-02-07 18:45:36,997 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (4 of 10 remaining) [2025-02-07 18:45:36,998 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (3 of 10 remaining) [2025-02-07 18:45:36,998 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 10 remaining) [2025-02-07 18:45:36,999 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 10 remaining) [2025-02-07 18:45:36,999 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location atan_floatErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (0 of 10 remaining) [2025-02-07 18:45:37,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-07 18:45:37,002 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-07 18:45:37,017 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:45:37,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:45:37 BoogieIcfgContainer [2025-02-07 18:45:37,021 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:45:37,022 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:45:37,022 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:45:37,022 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:45:37,023 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:45:36" (3/4) ... [2025-02-07 18:45:37,024 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-07 18:45:37,025 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:45:37,026 INFO L158 Benchmark]: Toolchain (without parser) took 1119.69ms. Allocated memory is still 167.8MB. Free memory was 121.9MB in the beginning and 52.0MB in the end (delta: 69.9MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2025-02-07 18:45:37,026 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 118.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:45:37,026 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.74ms. Allocated memory is still 167.8MB. Free memory was 121.5MB in the beginning and 106.9MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:45:37,027 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.48ms. Allocated memory is still 167.8MB. Free memory was 106.9MB in the beginning and 104.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:45:37,027 INFO L158 Benchmark]: Boogie Preprocessor took 54.85ms. Allocated memory is still 167.8MB. Free memory was 104.7MB in the beginning and 102.3MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:45:37,028 INFO L158 Benchmark]: IcfgBuilder took 486.83ms. Allocated memory is still 167.8MB. Free memory was 102.3MB in the beginning and 74.3MB in the end (delta: 28.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-07 18:45:37,028 INFO L158 Benchmark]: TraceAbstraction took 274.69ms. Allocated memory is still 167.8MB. Free memory was 73.9MB in the beginning and 52.0MB in the end (delta: 21.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:45:37,028 INFO L158 Benchmark]: Witness Printer took 3.03ms. Allocated memory is still 167.8MB. Free memory is still 52.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:45:37,032 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 118.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.74ms. Allocated memory is still 167.8MB. Free memory was 121.5MB in the beginning and 106.9MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.48ms. Allocated memory is still 167.8MB. Free memory was 106.9MB in the beginning and 104.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 54.85ms. Allocated memory is still 167.8MB. Free memory was 104.7MB in the beginning and 102.3MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 486.83ms. Allocated memory is still 167.8MB. Free memory was 102.3MB in the beginning and 74.3MB in the end (delta: 28.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 274.69ms. Allocated memory is still 167.8MB. Free memory was 73.9MB in the beginning and 52.0MB in the end (delta: 21.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.03ms. Allocated memory is still 167.8MB. Free memory is still 52.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 233]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of union with floats in the HoenickeLindenmann_Original memory model at line 233, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of someBinaryArithmeticFLOAToperation at line 248. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] 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, }; [L49-L51] 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; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; [L248] float x = 1.0f / 0.0f; [L249] float y = __VERIFIER_nondet_float(); [L251] CALL isfinite_float(y) [L231] __int32_t ix; 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] [L236] COND TRUE 0 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] [L233] ieee_float_shape_type gf_u; 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] - UnprovableResult [Line: 22]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 17]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 257]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 221]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 204]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 199]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 131]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 125]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 58]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 123 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=123occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-02-07 18:45:37,052 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0683b.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --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 6672481a7838a56be1f1fe8bf2e494e3680a5c6a5ddaa173ab670073cd565312 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:45:39,010 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:45:39,108 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-07 18:45:39,117 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:45:39,120 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:45:39,145 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:45:39,146 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:45:39,146 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:45:39,147 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:45:39,147 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:45:39,147 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:45:39,147 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:45:39,148 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:45:39,148 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:45:39,148 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:45:39,148 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:45:39,149 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:45:39,149 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:45:39,149 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:45:39,149 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:45:39,149 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:45:39,149 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:45:39,150 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:45:39,150 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-07 18:45:39,150 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-07 18:45:39,150 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-07 18:45:39,150 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:45:39,150 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:45:39,150 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:45:39,150 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:45:39,150 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:45:39,150 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:45:39,150 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:45:39,150 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:45:39,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:45:39,150 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:45:39,151 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:45:39,151 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:45:39,151 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:45:39,151 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-07 18:45:39,151 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-07 18:45:39,152 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:45:39,152 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:45:39,152 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:45:39,152 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:45:39,152 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux 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 -> 6672481a7838a56be1f1fe8bf2e494e3680a5c6a5ddaa173ab670073cd565312 [2025-02-07 18:45:39,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:45:39,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:45:39,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:45:39,425 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:45:39,425 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:45:39,431 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0683b.c [2025-02-07 18:45:40,881 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2ff20445c/972794ebac4c4ec7bf15da26e61456c5/FLAG2454059e1 [2025-02-07 18:45:41,083 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:45:41,083 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0683b.c [2025-02-07 18:45:41,094 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2ff20445c/972794ebac4c4ec7bf15da26e61456c5/FLAG2454059e1 [2025-02-07 18:45:41,109 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2ff20445c/972794ebac4c4ec7bf15da26e61456c5 [2025-02-07 18:45:41,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:45:41,111 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:45:41,113 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:45:41,114 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:45:41,117 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:45:41,117 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:45:41" (1/1) ... [2025-02-07 18:45:41,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@905c3ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:45:41, skipping insertion in model container [2025-02-07 18:45:41,118 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:45:41" (1/1) ... [2025-02-07 18:45:41,135 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:45:41,284 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0683b.c[5824,5837] [2025-02-07 18:45:41,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:45:41,296 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:45:41,328 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0683b.c[5824,5837] [2025-02-07 18:45:41,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:45:41,349 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:45:41,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:45:41 WrapperNode [2025-02-07 18:45:41,351 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:45:41,352 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:45:41,352 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:45:41,353 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:45:41,357 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:45:41" (1/1) ... [2025-02-07 18:45:41,369 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:45:41" (1/1) ... [2025-02-07 18:45:41,397 INFO L138 Inliner]: procedures = 25, calls = 89, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 258 [2025-02-07 18:45:41,397 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:45:41,398 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:45:41,398 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:45:41,398 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:45:41,405 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:45:41" (1/1) ... [2025-02-07 18:45:41,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:45:41" (1/1) ... [2025-02-07 18:45:41,409 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:45:41" (1/1) ... [2025-02-07 18:45:41,434 INFO L175 MemorySlicer]: Split 57 memory accesses to 13 slices as follows [2, 2, 7, 7, 23, 2, 2, 2, 2, 2, 2, 2, 2]. 40 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 0, 4, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 21 writes are split as follows [0, 1, 0, 0, 12, 1, 1, 1, 1, 1, 1, 1, 1]. [2025-02-07 18:45:41,435 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:45:41" (1/1) ... [2025-02-07 18:45:41,435 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:45:41" (1/1) ... [2025-02-07 18:45:41,449 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:45:41" (1/1) ... [2025-02-07 18:45:41,454 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:45:41" (1/1) ... [2025-02-07 18:45:41,457 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:45:41" (1/1) ... [2025-02-07 18:45:41,458 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:45:41" (1/1) ... [2025-02-07 18:45:41,461 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:45:41,462 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:45:41,462 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:45:41,462 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:45:41,463 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:45:41" (1/1) ... [2025-02-07 18:45:41,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:45:41,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:45:41,495 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-07 18:45:41,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-07 18:45:41,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:45:41,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2025-02-07 18:45:41,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2025-02-07 18:45:41,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2025-02-07 18:45:41,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2025-02-07 18:45:41,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2025-02-07 18:45:41,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2025-02-07 18:45:41,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2025-02-07 18:45:41,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2025-02-07 18:45:41,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2025-02-07 18:45:41,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2025-02-07 18:45:41,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2025-02-07 18:45:41,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2025-02-07 18:45:41,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2025-02-07 18:45:41,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-07 18:45:41,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-07 18:45:41,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-07 18:45:41,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-02-07 18:45:41,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-02-07 18:45:41,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-02-07 18:45:41,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-02-07 18:45:41,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2025-02-07 18:45:41,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2025-02-07 18:45:41,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2025-02-07 18:45:41,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2025-02-07 18:45:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2025-02-07 18:45:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2025-02-07 18:45:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:45:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-02-07 18:45:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-02-07 18:45:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2025-02-07 18:45:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2025-02-07 18:45:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2025-02-07 18:45:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2025-02-07 18:45:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2025-02-07 18:45:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2025-02-07 18:45:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2025-02-07 18:45:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2025-02-07 18:45:41,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2025-02-07 18:45:41,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2025-02-07 18:45:41,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2025-02-07 18:45:41,520 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2025-02-07 18:45:41,520 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2025-02-07 18:45:41,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-07 18:45:41,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-07 18:45:41,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-07 18:45:41,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-02-07 18:45:41,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-02-07 18:45:41,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-02-07 18:45:41,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-02-07 18:45:41,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2025-02-07 18:45:41,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2025-02-07 18:45:41,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2025-02-07 18:45:41,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2025-02-07 18:45:41,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2025-02-07 18:45:41,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2025-02-07 18:45:41,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2025-02-07 18:45:41,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2025-02-07 18:45:41,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2 [2025-02-07 18:45:41,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3 [2025-02-07 18:45:41,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4 [2025-02-07 18:45:41,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5 [2025-02-07 18:45:41,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6 [2025-02-07 18:45:41,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7 [2025-02-07 18:45:41,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8 [2025-02-07 18:45:41,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9 [2025-02-07 18:45:41,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10 [2025-02-07 18:45:41,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#11 [2025-02-07 18:45:41,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#12 [2025-02-07 18:45:41,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:45:41,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:45:41,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-02-07 18:45:41,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-02-07 18:45:41,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2025-02-07 18:45:41,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2025-02-07 18:45:41,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2025-02-07 18:45:41,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2025-02-07 18:45:41,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2025-02-07 18:45:41,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2025-02-07 18:45:41,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2025-02-07 18:45:41,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2025-02-07 18:45:41,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2025-02-07 18:45:41,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2025-02-07 18:45:41,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2025-02-07 18:45:41,522 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2025-02-07 18:45:41,522 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2025-02-07 18:45:41,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-07 18:45:41,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-07 18:45:41,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-07 18:45:41,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-02-07 18:45:41,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-02-07 18:45:41,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-02-07 18:45:41,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-02-07 18:45:41,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2025-02-07 18:45:41,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2025-02-07 18:45:41,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2025-02-07 18:45:41,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2025-02-07 18:45:41,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2025-02-07 18:45:41,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2025-02-07 18:45:41,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:45:41,665 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:45:41,666 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:45:43,784 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L256-1: main_#t~ret41#1 := __signbit_float_#res#1;havoc __signbit_float_#t~mem36#1, __signbit_float_~#gf_u~5#1.base, __signbit_float_~#gf_u~5#1.offset, __signbit_float_~x#1, __signbit_float_~w~1#1;havoc __signbit_float_#in~x#1;assume { :end_inline___signbit_float } true;main_#t~short42#1 := 0bv32 == main_#t~ret41#1; [2025-02-07 18:46:05,663 INFO L? ?]: Removed 97 outVars from TransFormulas that were not future-live. [2025-02-07 18:46:05,663 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:46:05,674 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:46:05,674 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:46:05,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:46:05 BoogieIcfgContainer [2025-02-07 18:46:05,675 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:46:05,676 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:46:05,680 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:46:05,684 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:46:05,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:45:41" (1/3) ... [2025-02-07 18:46:05,684 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45bc4280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:46:05, skipping insertion in model container [2025-02-07 18:46:05,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:45:41" (2/3) ... [2025-02-07 18:46:05,685 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45bc4280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:46:05, skipping insertion in model container [2025-02-07 18:46:05,685 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:46:05" (3/3) ... [2025-02-07 18:46:05,686 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_0683b.c [2025-02-07 18:46:05,695 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:46:05,697 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0683b.c that has 3 procedures, 89 locations, 1 initial locations, 9 loop locations, and 1 error locations. [2025-02-07 18:46:05,729 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:46:05,738 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;@60dfdcdd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:46:05,738 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 18:46:05,745 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 78 states have (on average 1.7307692307692308) internal successors, (135), 82 states have internal predecessors, (135), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-07 18:46:05,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-02-07 18:46:05,752 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 18:46:05,752 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 18:46:05,753 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 18:46:05,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 18:46:05,756 INFO L85 PathProgramCache]: Analyzing trace with hash 43273330, now seen corresponding path program 1 times [2025-02-07 18:46:05,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-07 18:46:05,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [494084759] [2025-02-07 18:46:05,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 18:46:05,764 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 [2025-02-07 18:46:05,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-07 18:46:05,767 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/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) [2025-02-07 18:46:05,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/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 [2025-02-07 18:46:05,861 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-07 18:46:06,556 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-07 18:46:06,557 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:46:06,557 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 18:46:06,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-07 18:46:06,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-07 18:46:06,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 18:46:06,610 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-07 18:46:06,610 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-07 18:46:06,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [494084759] [2025-02-07 18:46:06,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [494084759] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 18:46:06,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 18:46:06,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-07 18:46:06,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590076013] [2025-02-07 18:46:06,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 18:46:06,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-07 18:46:06,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-07 18:46:06,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-07 18:46:06,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-07 18:46:06,628 INFO L87 Difference]: Start difference. First operand has 89 states, 78 states have (on average 1.7307692307692308) internal successors, (135), 82 states have internal predecessors, (135), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 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) [2025-02-07 18:46:06,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 18:46:06,648 INFO L93 Difference]: Finished difference Result 176 states and 289 transitions. [2025-02-07 18:46:06,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-07 18:46:06,650 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2025-02-07 18:46:06,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 18:46:06,654 INFO L225 Difference]: With dead ends: 176 [2025-02-07 18:46:06,654 INFO L226 Difference]: Without dead ends: 73 [2025-02-07 18:46:06,656 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-07 18:46:06,658 INFO L435 NwaCegarLoop]: 124 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, 124 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 [2025-02-07 18:46:06,659 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-07 18:46:06,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2025-02-07 18:46:06,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2025-02-07 18:46:06,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 67 states have (on average 1.2388059701492538) internal successors, (83), 67 states have internal predecessors, (83), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-07 18:46:06,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 89 transitions. [2025-02-07 18:46:06,687 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 89 transitions. Word has length 23 [2025-02-07 18:46:06,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 18:46:06,687 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 89 transitions. [2025-02-07 18:46:06,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 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) [2025-02-07 18:46:06,687 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 89 transitions. [2025-02-07 18:46:06,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-02-07 18:46:06,688 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 18:46:06,689 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 18:46:06,716 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/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 [2025-02-07 18:46:06,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/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 [2025-02-07 18:46:06,889 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 18:46:06,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 18:46:06,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1373379411, now seen corresponding path program 1 times [2025-02-07 18:46:06,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-07 18:46:06,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [231927274] [2025-02-07 18:46:06,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 18:46:06,893 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 [2025-02-07 18:46:06,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-07 18:46:06,895 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/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) [2025-02-07 18:46:06,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/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 [2025-02-07 18:46:06,980 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-07 18:46:07,744 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-07 18:46:07,744 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:46:07,744 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 18:46:07,776 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-07 18:46:07,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-07 18:46:09,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 18:46:09,032 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-07 18:46:09,032 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-07 18:46:09,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [231927274] [2025-02-07 18:46:09,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [231927274] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 18:46:09,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 18:46:09,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-07 18:46:09,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869399069] [2025-02-07 18:46:09,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 18:46:09,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-07 18:46:09,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-07 18:46:09,033 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-07 18:46:09,033 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-07 18:46:09,033 INFO L87 Difference]: Start difference. First operand 73 states and 89 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 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) [2025-02-07 18:46:09,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 18:46:09,743 INFO L93 Difference]: Finished difference Result 121 states and 149 transitions. [2025-02-07 18:46:09,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-07 18:46:09,744 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2025-02-07 18:46:09,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 18:46:09,745 INFO L225 Difference]: With dead ends: 121 [2025-02-07 18:46:09,745 INFO L226 Difference]: Without dead ends: 78 [2025-02-07 18:46:09,745 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-02-07 18:46:09,746 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 92 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-07 18:46:09,746 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 307 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-07 18:46:09,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2025-02-07 18:46:09,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 73. [2025-02-07 18:46:09,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 67 states have (on average 1.208955223880597) internal successors, (81), 67 states have internal predecessors, (81), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-07 18:46:09,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 87 transitions. [2025-02-07 18:46:09,751 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 87 transitions. Word has length 26 [2025-02-07 18:46:09,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 18:46:09,751 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 87 transitions. [2025-02-07 18:46:09,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 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) [2025-02-07 18:46:09,751 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 87 transitions. [2025-02-07 18:46:09,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-02-07 18:46:09,752 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 18:46:09,752 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 18:46:09,780 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/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 [2025-02-07 18:46:09,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/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 [2025-02-07 18:46:09,952 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 18:46:09,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 18:46:09,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1082301220, now seen corresponding path program 1 times [2025-02-07 18:46:09,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-07 18:46:09,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1111497640] [2025-02-07 18:46:09,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 18:46:09,953 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 [2025-02-07 18:46:09,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-07 18:46:09,956 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/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) [2025-02-07 18:46:09,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/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 [2025-02-07 18:46:10,036 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-07 18:46:10,765 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-07 18:46:10,765 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:46:10,765 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 18:46:10,798 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-07 18:46:10,800 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-07 18:46:13,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 18:46:13,426 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-07 18:46:13,427 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-07 18:46:13,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1111497640] [2025-02-07 18:46:13,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1111497640] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 18:46:13,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 18:46:13,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-07 18:46:13,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919474798] [2025-02-07 18:46:13,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 18:46:13,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-07 18:46:13,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-07 18:46:13,427 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-07 18:46:13,427 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-02-07 18:46:13,428 INFO L87 Difference]: Start difference. First operand 73 states and 87 transitions. Second operand has 8 states, 8 states have (on average 3.875) internal successors, (31), 7 states have internal predecessors, (31), 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) [2025-02-07 18:46:16,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-07 18:46:17,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-07 18:46:19,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 18:46:19,356 INFO L93 Difference]: Finished difference Result 123 states and 149 transitions. [2025-02-07 18:46:19,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-07 18:46:19,359 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2025-02-07 18:46:19,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 18:46:19,360 INFO L225 Difference]: With dead ends: 123 [2025-02-07 18:46:19,360 INFO L226 Difference]: Without dead ends: 64 [2025-02-07 18:46:19,360 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2025-02-07 18:46:19,361 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 49 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2025-02-07 18:46:19,361 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 404 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2025-02-07 18:46:19,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2025-02-07 18:46:19,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2025-02-07 18:46:19,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 58 states have (on average 1.1896551724137931) internal successors, (69), 58 states have internal predecessors, (69), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-07 18:46:19,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 75 transitions. [2025-02-07 18:46:19,368 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 75 transitions. Word has length 31 [2025-02-07 18:46:19,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 18:46:19,368 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 75 transitions. [2025-02-07 18:46:19,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 7 states have internal predecessors, (31), 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) [2025-02-07 18:46:19,368 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 75 transitions. [2025-02-07 18:46:19,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-02-07 18:46:19,371 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 18:46:19,371 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 18:46:19,404 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/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 [2025-02-07 18:46:19,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/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 [2025-02-07 18:46:19,572 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 18:46:19,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 18:46:19,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1882677319, now seen corresponding path program 1 times [2025-02-07 18:46:19,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-02-07 18:46:19,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2106382821] [2025-02-07 18:46:19,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 18:46:19,573 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 [2025-02-07 18:46:19,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2025-02-07 18:46:19,578 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/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) [2025-02-07 18:46:19,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/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 [2025-02-07 18:46:19,664 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-07 18:46:20,450 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-07 18:46:20,451 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:46:20,451 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 18:46:20,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-07 18:46:20,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-07 18:46:20,896 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 [2025-02-07 18:46:20,926 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 34 treesize of output 18 [2025-02-07 18:46:22,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 18:46:22,707 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-07 18:46:22,707 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-02-07 18:46:22,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2106382821] [2025-02-07 18:46:22,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2106382821] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 18:46:22,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 18:46:22,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-07 18:46:22,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413498468] [2025-02-07 18:46:22,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 18:46:22,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-07 18:46:22,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-02-07 18:46:22,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-07 18:46:22,711 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-02-07 18:46:22,711 INFO L87 Difference]: Start difference. First operand 64 states and 75 transitions. Second operand has 8 states, 8 states have (on average 3.875) internal successors, (31), 7 states have internal predecessors, (31), 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) [2025-02-07 18:46:24,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 18:46:24,079 INFO L93 Difference]: Finished difference Result 64 states and 75 transitions. [2025-02-07 18:46:24,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-07 18:46:24,079 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2025-02-07 18:46:24,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 18:46:24,079 INFO L225 Difference]: With dead ends: 64 [2025-02-07 18:46:24,079 INFO L226 Difference]: Without dead ends: 0 [2025-02-07 18:46:24,080 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-02-07 18:46:24,080 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 27 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-07 18:46:24,080 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 46 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-07 18:46:24,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-07 18:46:24,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-07 18:46:24,086 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) [2025-02-07 18:46:24,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-07 18:46:24,086 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2025-02-07 18:46:24,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 18:46:24,086 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-07 18:46:24,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 7 states have internal predecessors, (31), 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) [2025-02-07 18:46:24,086 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-07 18:46:24,087 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 18:46:24,088 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 18:46:24,135 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/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 [2025-02-07 18:46:24,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/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 [2025-02-07 18:46:24,291 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-02-07 18:46:24,297 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-07 18:46:24,743 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:46:24,752 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-02-07 18:46:24,753 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2025-02-07 18:46:24,753 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-02-07 18:46:24,754 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-02-07 18:46:24,754 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-02-07 18:46:24,754 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-02-07 18:46:24,754 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2025-02-07 18:46:24,754 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-02-07 18:46:24,754 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~y~0 [2025-02-07 18:46:24,755 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2025-02-07 18:46:24,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:46:24 BoogieIcfgContainer [2025-02-07 18:46:24,756 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:46:24,756 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:46:24,756 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:46:24,756 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:46:24,757 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:46:05" (3/4) ... [2025-02-07 18:46:24,759 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 18:46:24,762 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure fabs_float [2025-02-07 18:46:24,762 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure atan_float [2025-02-07 18:46:24,770 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2025-02-07 18:46:24,771 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2025-02-07 18:46:24,772 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-07 18:46:24,772 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 18:46:24,856 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 18:46:24,856 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 18:46:24,857 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:46:24,857 INFO L158 Benchmark]: Toolchain (without parser) took 43745.61ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 49.4MB in the end (delta: 42.8MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2025-02-07 18:46:24,857 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory was 62.4MB in the beginning and 62.3MB in the end (delta: 36.4kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:46:24,857 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.96ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 76.5MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:46:24,857 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.30ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 74.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:46:24,858 INFO L158 Benchmark]: Boogie Preprocessor took 63.89ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 69.4MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:46:24,858 INFO L158 Benchmark]: IcfgBuilder took 24212.72ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 85.7MB in the end (delta: -16.3MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2025-02-07 18:46:24,858 INFO L158 Benchmark]: TraceAbstraction took 19079.31ms. Allocated memory is still 117.4MB. Free memory was 85.7MB in the beginning and 57.6MB in the end (delta: 28.1MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2025-02-07 18:46:24,858 INFO L158 Benchmark]: Witness Printer took 100.32ms. Allocated memory is still 117.4MB. Free memory was 57.6MB in the beginning and 49.4MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:46:24,859 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 83.9MB. Free memory was 62.4MB in the beginning and 62.3MB in the end (delta: 36.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.96ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 76.5MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.30ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 74.2MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 63.89ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 69.4MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 24212.72ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 85.7MB in the end (delta: -16.3MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. * TraceAbstraction took 19079.31ms. Allocated memory is still 117.4MB. Free memory was 85.7MB in the beginning and 57.6MB in the end (delta: 28.1MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. * Witness Printer took 100.32ms. Allocated memory is still 117.4MB. Free memory was 57.6MB in the beginning and 49.4MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~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: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~y~0 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * 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: 257]: 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 3 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 170 SdHoareTripleChecker+Valid, 6.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 168 mSDsluCounter, 881 SdHoareTripleChecker+Invalid, 6.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 604 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 108 IncrementalHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 277 mSDtfsCounter, 108 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=89occurred in iteration=0, InterpolantAutomatonStates: 24, 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, 4 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 111 NumberOfCodeBlocks, 111 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 107 ConstructedInterpolants, 44 QuantifiedInterpolants, 1106 SizeOfPredicates, 19 NumberOfNonLiveVariables, 658 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 16]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 14]: Location Invariant Derived location invariant: 0 RESULT: Ultimate proved your program to be correct! [2025-02-07 18:46:24,946 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/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 Writing output log to file Ultimate.log Result: TRUE