./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 3d80131755697383884f625dd9587f1c200aa06d2b7c943b2856d52f75da1766 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 02:47:45,133 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 02:47:45,185 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-03-08 02:47:45,191 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 02:47:45,191 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 02:47:45,207 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 02:47:45,208 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 02:47:45,208 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 02:47:45,208 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 02:47:45,209 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 02:47:45,209 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 02:47:45,209 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 02:47:45,209 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 02:47:45,209 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 02:47:45,209 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 02:47:45,210 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 02:47:45,210 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 02:47:45,210 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 02:47:45,210 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 02:47:45,210 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 02:47:45,210 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 02:47:45,210 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 02:47:45,210 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 02:47:45,210 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 02:47:45,210 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 02:47:45,210 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 02:47:45,210 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 02:47:45,210 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 02:47:45,210 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 02:47:45,210 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 02:47:45,210 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 02:47:45,210 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 02:47:45,210 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 02:47:45,210 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 02:47:45,210 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 02:47:45,211 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 02:47:45,211 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 02:47:45,211 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 02:47:45,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 02:47:45,211 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 02:47:45,211 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 02:47:45,211 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 02:47:45,212 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 02:47:45,212 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/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 -> 3d80131755697383884f625dd9587f1c200aa06d2b7c943b2856d52f75da1766 [2025-03-08 02:47:45,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 02:47:45,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 02:47:45,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 02:47:45,421 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 02:47:45,421 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 02:47:45,421 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c [2025-03-08 02:47:46,576 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a297b2c9/4f3316d103e146df93f6e128d3f600a2/FLAGaa5198652 [2025-03-08 02:47:46,829 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 02:47:46,831 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c [2025-03-08 02:47:46,838 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a297b2c9/4f3316d103e146df93f6e128d3f600a2/FLAGaa5198652 [2025-03-08 02:47:46,857 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a297b2c9/4f3316d103e146df93f6e128d3f600a2 [2025-03-08 02:47:46,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 02:47:46,861 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 02:47:46,863 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 02:47:46,864 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 02:47:46,868 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 02:47:46,869 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 02:47:46" (1/1) ... [2025-03-08 02:47:46,870 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d08bdda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:47:46, skipping insertion in model container [2025-03-08 02:47:46,870 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 02:47:46" (1/1) ... [2025-03-08 02:47:46,886 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 02:47:47,017 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c[1479,1492] [2025-03-08 02:47:47,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 02:47:47,034 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 02:47:47,053 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c[1479,1492] [2025-03-08 02:47:47,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 02:47:47,070 INFO L204 MainTranslator]: Completed translation [2025-03-08 02:47:47,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:47:47 WrapperNode [2025-03-08 02:47:47,072 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 02:47:47,073 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 02:47:47,073 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 02:47:47,073 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 02:47:47,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:47:47" (1/1) ... [2025-03-08 02:47:47,086 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:47:47" (1/1) ... [2025-03-08 02:47:47,101 INFO L138 Inliner]: procedures = 18, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 74 [2025-03-08 02:47:47,102 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 02:47:47,103 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 02:47:47,103 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 02:47:47,103 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 02:47:47,108 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:47:47" (1/1) ... [2025-03-08 02:47:47,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:47:47" (1/1) ... [2025-03-08 02:47:47,109 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:47:47" (1/1) ... [2025-03-08 02:47:47,126 INFO L175 MemorySlicer]: Split 6 memory accesses to 2 slices as follows [2, 4]. 67 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 2 writes are split as follows [0, 2]. [2025-03-08 02:47:47,127 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:47:47" (1/1) ... [2025-03-08 02:47:47,127 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:47:47" (1/1) ... [2025-03-08 02:47:47,132 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:47:47" (1/1) ... [2025-03-08 02:47:47,134 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:47:47" (1/1) ... [2025-03-08 02:47:47,135 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:47:47" (1/1) ... [2025-03-08 02:47:47,136 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:47:47" (1/1) ... [2025-03-08 02:47:47,139 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 02:47:47,140 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 02:47:47,140 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 02:47:47,140 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 02:47:47,141 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:47:47" (1/1) ... [2025-03-08 02:47:47,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 02:47:47,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 02:47:47,166 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 02:47:47,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 02:47:47,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 02:47:47,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 02:47:47,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 02:47:47,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 02:47:47,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-03-08 02:47:47,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-03-08 02:47:47,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 02:47:47,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 02:47:47,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-03-08 02:47:47,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-03-08 02:47:47,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 02:47:47,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 02:47:47,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 02:47:47,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 02:47:47,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 02:47:47,246 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 02:47:47,248 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 02:47:47,331 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L52: havoc main_~__tmp_2~0#1, main_~__VERIFIER_assert__cond~0#1;call ULTIMATE.dealloc(main_~#InvSqrt__i~0#1.base, main_~#InvSqrt__i~0#1.offset);havoc main_~#InvSqrt__i~0#1.base, main_~#InvSqrt__i~0#1.offset;havoc main_~__tmp_1~0#1, main_~InvSqrt__x~0#1, main_~InvSqrt__xhalf~0#1, main_~#InvSqrt__i~0#1.base, main_~#InvSqrt__i~0#1.offset, main_~main____CPAchecker_TMP_1~0#1; [2025-03-08 02:47:47,335 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2025-03-08 02:47:47,336 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 02:47:47,342 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 02:47:47,342 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 02:47:47,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 02:47:47 BoogieIcfgContainer [2025-03-08 02:47:47,343 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 02:47:47,344 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 02:47:47,344 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 02:47:47,347 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 02:47:47,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 02:47:46" (1/3) ... [2025-03-08 02:47:47,348 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18f13505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 02:47:47, skipping insertion in model container [2025-03-08 02:47:47,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:47:47" (2/3) ... [2025-03-08 02:47:47,348 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18f13505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 02:47:47, skipping insertion in model container [2025-03-08 02:47:47,348 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 02:47:47" (3/3) ... [2025-03-08 02:47:47,349 INFO L128 eAbstractionObserver]: Analyzing ICFG inv_sqrt_Quake.c.v+cfa-reducer.c [2025-03-08 02:47:47,358 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 02:47:47,359 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG inv_sqrt_Quake.c.v+cfa-reducer.c that has 1 procedures, 17 locations, 1 initial locations, 1 loop locations, and 2 error locations. [2025-03-08 02:47:47,390 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 02:47:47,398 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;@2e50105e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 02:47:47,398 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-03-08 02:47:47,400 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 16 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) [2025-03-08 02:47:47,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-08 02:47:47,404 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 02:47:47,404 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-08 02:47:47,405 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE] === [2025-03-08 02:47:47,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 02:47:47,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1803600666, now seen corresponding path program 1 times [2025-03-08 02:47:47,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 02:47:47,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112268677] [2025-03-08 02:47:47,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 02:47:47,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 02:47:47,457 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-08 02:47:47,469 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-08 02:47:47,469 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 02:47:47,469 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 02:47:47,470 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-08 02:47:47,472 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-08 02:47:47,476 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-08 02:47:47,478 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 02:47:47,478 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 02:47:47,490 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-08 02:47:47,491 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-08 02:47:47,492 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 2 remaining) [2025-03-08 02:47:47,493 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2025-03-08 02:47:47,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 02:47:47,498 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-03-08 02:47:47,510 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 02:47:47,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 02:47:47 BoogieIcfgContainer [2025-03-08 02:47:47,512 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 02:47:47,513 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 02:47:47,513 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 02:47:47,513 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 02:47:47,514 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 02:47:47" (3/4) ... [2025-03-08 02:47:47,516 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-08 02:47:47,516 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 02:47:47,517 INFO L158 Benchmark]: Toolchain (without parser) took 656.69ms. Allocated memory is still 142.6MB. Free memory was 111.9MB in the beginning and 73.8MB in the end (delta: 38.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-08 02:47:47,517 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 201.3MB. Free memory was 128.0MB in the beginning and 127.7MB in the end (delta: 307.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 02:47:47,518 INFO L158 Benchmark]: CACSL2BoogieTranslator took 208.89ms. Allocated memory is still 142.6MB. Free memory was 111.9MB in the beginning and 100.5MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 02:47:47,518 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.51ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 99.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 02:47:47,518 INFO L158 Benchmark]: Boogie Preprocessor took 36.97ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 98.0MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 02:47:47,518 INFO L158 Benchmark]: IcfgBuilder took 202.52ms. Allocated memory is still 142.6MB. Free memory was 98.0MB in the beginning and 86.5MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 02:47:47,518 INFO L158 Benchmark]: TraceAbstraction took 168.39ms. Allocated memory is still 142.6MB. Free memory was 85.6MB in the beginning and 74.0MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 02:47:47,518 INFO L158 Benchmark]: Witness Printer took 3.25ms. Allocated memory is still 142.6MB. Free memory was 74.0MB in the beginning and 73.8MB in the end (delta: 280.8kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 02:47:47,519 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 201.3MB. Free memory was 128.0MB in the beginning and 127.7MB in the end (delta: 307.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 208.89ms. Allocated memory is still 142.6MB. Free memory was 111.9MB in the beginning and 100.5MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.51ms. Allocated memory is still 142.6MB. Free memory was 100.5MB in the beginning and 99.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.97ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 98.0MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 202.52ms. Allocated memory is still 142.6MB. Free memory was 98.0MB in the beginning and 86.5MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 168.39ms. Allocated memory is still 142.6MB. Free memory was 85.6MB in the beginning and 74.0MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.25ms. Allocated memory is still 142.6MB. Free memory was 74.0MB in the beginning and 73.8MB in the end (delta: 280.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 38]: 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 someBinaryArithmeticDOUBLEoperation at line 37, overapproximation of union with floats in the HoenickeLindenmann_Original memory model at line 38, overapproximation of someBinaryDOUBLEComparisonOperation at line 27, overapproximation of someBinaryDOUBLEComparisonOperation at line 25. Possible FailurePath: [L1] int __return_main; [L17] float __return_72; [L18] int __return_87; VAL [__return_72=0, __return_87=0, __return_main=0] [L21] float main__a; [L22] float main__r; [L23] main__a = __VERIFIER_nondet_float() [L24] int main____CPAchecker_TMP_0; VAL [__return_72=0, __return_87=0, __return_main=0] [L25] COND TRUE main__a >= 0.10000000149011612 VAL [__return_72=0, __return_87=0, __return_main=0] [L27] COND TRUE main__a <= 100.0 [L29] main____CPAchecker_TMP_0 = 1 VAL [__return_72=0, __return_87=0, __return_main=0, main____CPAchecker_TMP_0=1] [L30] COND TRUE main____CPAchecker_TMP_0 != 0 [L33] float __tmp_1; [L34] __tmp_1 = main__a [L35] float InvSqrt__x; [L36] InvSqrt__x = __tmp_1 [L37] float InvSqrt__xhalf = 0.5 * InvSqrt__x; VAL [__return_72=0, __return_87=0, __return_main=0] [L38] union float_int InvSqrt__i; VAL [__return_72=0, __return_87=0, __return_main=0] - UnprovableResult [Line: 59]: 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. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 23 edges, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, 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=17occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 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 [2025-03-08 02:47:47,533 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/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/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 3d80131755697383884f625dd9587f1c200aa06d2b7c943b2856d52f75da1766 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 02:47:49,340 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 02:47:49,423 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-03-08 02:47:49,427 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 02:47:49,429 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 02:47:49,446 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 02:47:49,447 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 02:47:49,447 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 02:47:49,447 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 02:47:49,448 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 02:47:49,448 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 02:47:49,448 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 02:47:49,448 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 02:47:49,448 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 02:47:49,448 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 02:47:49,448 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 02:47:49,448 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 02:47:49,448 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-08 02:47:49,449 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-08 02:47:49,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 02:47:49,449 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 02:47:49,449 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 02:47:49,449 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 02:47:49,449 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-08 02:47:49,449 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-08 02:47:49,449 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-08 02:47:49,449 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-08 02:47:49,449 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 02:47:49,449 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 02:47:49,451 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 02:47:49,451 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 02:47:49,451 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 02:47:49,451 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 02:47:49,451 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 02:47:49,451 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 02:47:49,451 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 02:47:49,451 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 02:47:49,451 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 02:47:49,451 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 02:47:49,451 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-08 02:47:49,451 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-08 02:47:49,451 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 02:47:49,451 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 02:47:49,451 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 02:47:49,451 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 02:47:49,451 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/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 -> 3d80131755697383884f625dd9587f1c200aa06d2b7c943b2856d52f75da1766 [2025-03-08 02:47:49,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 02:47:49,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 02:47:49,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 02:47:49,706 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 02:47:49,706 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 02:47:49,707 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c [2025-03-08 02:47:50,914 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f07f8ef5/5980fb27e3cf45beb0f1f10c464ae49a/FLAG31be94677 [2025-03-08 02:47:51,076 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 02:47:51,077 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c [2025-03-08 02:47:51,083 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f07f8ef5/5980fb27e3cf45beb0f1f10c464ae49a/FLAG31be94677 [2025-03-08 02:47:51,100 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f07f8ef5/5980fb27e3cf45beb0f1f10c464ae49a [2025-03-08 02:47:51,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 02:47:51,104 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 02:47:51,105 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 02:47:51,105 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 02:47:51,108 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 02:47:51,109 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 02:47:51" (1/1) ... [2025-03-08 02:47:51,111 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36fe3d67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:47:51, skipping insertion in model container [2025-03-08 02:47:51,111 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 02:47:51" (1/1) ... [2025-03-08 02:47:51,123 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 02:47:51,244 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c[1479,1492] [2025-03-08 02:47:51,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 02:47:51,260 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 02:47:51,272 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/inv_sqrt_Quake.c.v+cfa-reducer.c[1479,1492] [2025-03-08 02:47:51,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 02:47:51,286 INFO L204 MainTranslator]: Completed translation [2025-03-08 02:47:51,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:47:51 WrapperNode [2025-03-08 02:47:51,287 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 02:47:51,287 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 02:47:51,288 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 02:47:51,288 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 02:47:51,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:47:51" (1/1) ... [2025-03-08 02:47:51,302 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:47:51" (1/1) ... [2025-03-08 02:47:51,316 INFO L138 Inliner]: procedures = 21, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 73 [2025-03-08 02:47:51,316 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 02:47:51,317 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 02:47:51,317 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 02:47:51,318 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 02:47:51,322 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:47:51" (1/1) ... [2025-03-08 02:47:51,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:47:51" (1/1) ... [2025-03-08 02:47:51,326 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:47:51" (1/1) ... [2025-03-08 02:47:51,337 INFO L175 MemorySlicer]: Split 6 memory accesses to 2 slices as follows [2, 4]. 67 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 2 writes are split as follows [0, 2]. [2025-03-08 02:47:51,338 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:47:51" (1/1) ... [2025-03-08 02:47:51,338 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:47:51" (1/1) ... [2025-03-08 02:47:51,345 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:47:51" (1/1) ... [2025-03-08 02:47:51,345 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:47:51" (1/1) ... [2025-03-08 02:47:51,350 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:47:51" (1/1) ... [2025-03-08 02:47:51,351 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:47:51" (1/1) ... [2025-03-08 02:47:51,353 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 02:47:51,353 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 02:47:51,353 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 02:47:51,354 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 02:47:51,358 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:47:51" (1/1) ... [2025-03-08 02:47:51,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 02:47:51,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 02:47:51,386 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 02:47:51,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 02:47:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 02:47:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-08 02:47:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-03-08 02:47:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 02:47:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-03-08 02:47:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-03-08 02:47:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-03-08 02:47:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-03-08 02:47:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 02:47:51,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 02:47:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-03-08 02:47:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-03-08 02:47:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 02:47:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-03-08 02:47:51,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-03-08 02:47:51,471 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 02:47:51,473 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 02:47:55,970 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L52: havoc main_~__tmp_2~0#1, main_~__VERIFIER_assert__cond~0#1;call ULTIMATE.dealloc(main_~#InvSqrt__i~0#1.base, main_~#InvSqrt__i~0#1.offset);havoc main_~#InvSqrt__i~0#1.base, main_~#InvSqrt__i~0#1.offset;havoc main_~__tmp_1~0#1, main_~InvSqrt__x~0#1, main_~InvSqrt__xhalf~0#1, main_~#InvSqrt__i~0#1.base, main_~#InvSqrt__i~0#1.offset, main_~main____CPAchecker_TMP_1~0#1; [2025-03-08 02:47:55,976 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2025-03-08 02:47:55,977 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 02:47:55,984 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 02:47:55,985 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 02:47:55,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 02:47:55 BoogieIcfgContainer [2025-03-08 02:47:55,985 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 02:47:55,987 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 02:47:55,987 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 02:47:55,990 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 02:47:55,990 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 02:47:51" (1/3) ... [2025-03-08 02:47:55,991 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@219b8b8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 02:47:55, skipping insertion in model container [2025-03-08 02:47:55,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 02:47:51" (2/3) ... [2025-03-08 02:47:55,991 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@219b8b8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 02:47:55, skipping insertion in model container [2025-03-08 02:47:55,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 02:47:55" (3/3) ... [2025-03-08 02:47:55,992 INFO L128 eAbstractionObserver]: Analyzing ICFG inv_sqrt_Quake.c.v+cfa-reducer.c [2025-03-08 02:47:56,001 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 02:47:56,002 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG inv_sqrt_Quake.c.v+cfa-reducer.c that has 1 procedures, 15 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-08 02:47:56,039 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 02:47:56,048 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;@2d8b3e53, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 02:47:56,048 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 02:47:56,051 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-08 02:47:56,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-03-08 02:47:56,054 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 02:47:56,054 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 02:47:56,054 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 02:47:56,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 02:47:56,058 INFO L85 PathProgramCache]: Analyzing trace with hash -209421133, now seen corresponding path program 1 times [2025-03-08 02:47:56,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 02:47:56,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [208454014] [2025-03-08 02:47:56,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 02:47:56,065 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 [2025-03-08 02:47:56,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2025-03-08 02:47:56,068 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/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) [2025-03-08 02:47:56,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/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 [2025-03-08 02:47:56,110 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-03-08 02:47:57,609 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-03-08 02:47:57,609 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 02:47:57,609 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 02:47:57,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-08 02:47:57,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 02:48:08,074 WARN L286 SmtUtils]: Spent 8.48s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-08 02:48:16,277 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-08 02:48:24,718 WARN L286 SmtUtils]: Spent 8.44s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-08 02:48:28,873 WARN L851 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_9 (_ BitVec 32))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (fp ((_ extract 31 31) v_ArrVal_9) ((_ extract 30 23) v_ArrVal_9) ((_ extract 22 0) v_ArrVal_9))))) (and (fp.geq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 2500000037252903.0 25000000000000000.0))) (= |c_ULTIMATE.start_main_~main__r~0#1| ((_ to_fp 8 24) c_currentRoundingMode (let ((.cse1 (let ((.cse2 (bvadd (_ bv1597463007 32) (bvneg (bvashr v_ArrVal_9 (_ bv1 32)))))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode .cse1) (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 3.0 2.0)) ((_ to_fp 11 53) c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)) .cse0)) .cse1) .cse1))))))) (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode 100.0))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2025-03-08 02:48:41,286 WARN L286 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-08 02:48:49,702 WARN L286 SmtUtils]: Spent 8.42s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-08 02:48:58,155 WARN L286 SmtUtils]: Spent 8.45s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-08 02:49:02,262 WARN L851 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_9 (_ BitVec 32))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) v_ArrVal_9) ((_ extract 30 23) v_ArrVal_9) ((_ extract 22 0) v_ArrVal_9))))) (and (not (fp.geq ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse0 (let ((.cse2 (bvadd (_ bv1597463007 32) (bvneg (bvashr v_ArrVal_9 (_ bv1 32)))))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse0) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) .cse1)) .cse0) .cse0))))))) (_ +zero 11 53))) (fp.leq .cse1 ((_ to_fp 11 53) roundNearestTiesToEven 100.0)) (fp.geq .cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 2500000037252903.0 25000000000000000.0)))))) is different from false [2025-03-08 02:49:06,346 WARN L873 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_9 (_ BitVec 32))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (fp ((_ extract 31 31) v_ArrVal_9) ((_ extract 30 23) v_ArrVal_9) ((_ extract 22 0) v_ArrVal_9))))) (and (not (fp.geq ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (let ((.cse0 (let ((.cse2 (bvadd (_ bv1597463007 32) (bvneg (bvashr v_ArrVal_9 (_ bv1 32)))))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse0) (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven (fp.mul roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)) .cse1)) .cse0) .cse0))))))) (_ +zero 11 53))) (fp.leq .cse1 ((_ to_fp 11 53) roundNearestTiesToEven 100.0)) (fp.geq .cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 2500000037252903.0 25000000000000000.0)))))) is different from true [2025-03-08 02:49:18,729 WARN L286 SmtUtils]: Spent 8.26s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-08 02:49:27,090 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-08 02:49:35,500 WARN L286 SmtUtils]: Spent 8.41s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)