/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver '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' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float-rounding1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-03 09:07:38,830 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-03 09:07:38,905 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-03 09:07:38,911 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-03 09:07:38,912 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-03 09:07:38,934 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-03 09:07:38,935 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-03 09:07:38,935 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-03 09:07:38,936 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-03 09:07:38,938 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-03 09:07:38,938 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-03 09:07:38,938 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-03 09:07:38,939 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-03 09:07:38,939 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-03 09:07:38,939 INFO L153 SettingsManager]: * Use SBE=true [2024-11-03 09:07:38,939 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-03 09:07:38,940 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-03 09:07:38,940 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-03 09:07:38,940 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-03 09:07:38,941 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-03 09:07:38,941 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-03 09:07:38,944 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-03 09:07:38,945 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-03 09:07:38,945 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-03 09:07:38,945 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-03 09:07:38,945 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-03 09:07:38,945 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-03 09:07:38,946 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-03 09:07:38,946 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-03 09:07:38,946 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-03 09:07:38,946 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-03 09:07:38,947 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-03 09:07:38,947 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-03 09:07:38,947 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-03 09:07:38,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 09:07:38,948 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-03 09:07:38,948 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-03 09:07:38,948 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-03 09:07:38,949 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-03 09:07:38,949 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-03 09:07:38,949 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-03 09:07:38,949 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-03 09:07:38,950 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-03 09:07:38,950 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-03 09:07:38,950 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 09:07:39,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-03 09:07:39,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-03 09:07:39,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-03 09:07:39,202 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-03 09:07:39,203 INFO L274 PluginConnector]: CDTParser initialized [2024-11-03 09:07:39,204 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-rounding1.i [2024-11-03 09:07:40,607 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-03 09:07:40,874 INFO L384 CDTParser]: Found 1 translation units. [2024-11-03 09:07:40,874 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-rounding1.i [2024-11-03 09:07:40,892 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46cefbfaa/067916fe6d194009ba8a85d99c22438b/FLAG4cdaac4d7 [2024-11-03 09:07:40,909 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46cefbfaa/067916fe6d194009ba8a85d99c22438b [2024-11-03 09:07:40,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-03 09:07:40,915 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-03 09:07:40,916 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-03 09:07:40,918 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-03 09:07:40,922 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-03 09:07:40,923 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 09:07:40" (1/1) ... [2024-11-03 09:07:40,924 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@287bd9b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:07:40, skipping insertion in model container [2024-11-03 09:07:40,924 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 09:07:40" (1/1) ... [2024-11-03 09:07:40,973 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-03 09:07:41,334 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-rounding1.i[42829,42842] [2024-11-03 09:07:41,338 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-rounding1.i[42946,42959] [2024-11-03 09:07:41,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 09:07:41,354 INFO L200 MainTranslator]: Completed pre-run [2024-11-03 09:07:41,362 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma STDC FENV_ACCESS OFF [1095] [2024-11-03 09:07:41,390 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-rounding1.i[42829,42842] [2024-11-03 09:07:41,391 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-rounding1.i[42946,42959] [2024-11-03 09:07:41,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-03 09:07:41,524 INFO L204 MainTranslator]: Completed translation [2024-11-03 09:07:41,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:07:41 WrapperNode [2024-11-03 09:07:41,525 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-03 09:07:41,526 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-03 09:07:41,526 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-03 09:07:41,527 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-03 09:07:41,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:07:41" (1/1) ... [2024-11-03 09:07:41,550 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:07:41" (1/1) ... [2024-11-03 09:07:41,570 INFO L138 Inliner]: procedures = 461, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2024-11-03 09:07:41,570 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-03 09:07:41,571 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-03 09:07:41,571 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-03 09:07:41,571 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-03 09:07:41,577 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:07:41" (1/1) ... [2024-11-03 09:07:41,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:07:41" (1/1) ... [2024-11-03 09:07:41,580 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:07:41" (1/1) ... [2024-11-03 09:07:41,590 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-03 09:07:41,590 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:07:41" (1/1) ... [2024-11-03 09:07:41,590 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:07:41" (1/1) ... [2024-11-03 09:07:41,595 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:07:41" (1/1) ... [2024-11-03 09:07:41,598 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:07:41" (1/1) ... [2024-11-03 09:07:41,600 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:07:41" (1/1) ... [2024-11-03 09:07:41,600 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:07:41" (1/1) ... [2024-11-03 09:07:41,603 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-03 09:07:41,604 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-03 09:07:41,604 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-03 09:07:41,604 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-03 09:07:41,605 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:07:41" (1/1) ... [2024-11-03 09:07:41,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-03 09:07:41,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-03 09:07:41,629 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) [2024-11-03 09:07:41,631 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 [2024-11-03 09:07:41,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-03 09:07:41,651 INFO L130 BoogieDeclarations]: Found specification of procedure roundingTest [2024-11-03 09:07:41,651 INFO L138 BoogieDeclarations]: Found implementation of procedure roundingTest [2024-11-03 09:07:41,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-03 09:07:41,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-03 09:07:41,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-03 09:07:41,651 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-03 09:07:41,651 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-03 09:07:41,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2024-11-03 09:07:41,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2024-11-03 09:07:41,734 INFO L238 CfgBuilder]: Building ICFG [2024-11-03 09:07:41,736 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-03 09:07:41,902 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-03 09:07:41,902 INFO L287 CfgBuilder]: Performing block encoding [2024-11-03 09:07:41,912 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-03 09:07:41,912 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-03 09:07:41,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 09:07:41 BoogieIcfgContainer [2024-11-03 09:07:41,913 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-03 09:07:41,915 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-03 09:07:41,915 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-03 09:07:41,918 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-03 09:07:41,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 09:07:40" (1/3) ... [2024-11-03 09:07:41,919 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@471e63d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 09:07:41, skipping insertion in model container [2024-11-03 09:07:41,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 09:07:41" (2/3) ... [2024-11-03 09:07:41,920 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@471e63d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 09:07:41, skipping insertion in model container [2024-11-03 09:07:41,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 09:07:41" (3/3) ... [2024-11-03 09:07:41,921 INFO L112 eAbstractionObserver]: Analyzing ICFG float-rounding1.i [2024-11-03 09:07:41,934 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-03 09:07:41,935 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-03 09:07:41,979 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-03 09:07:41,983 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;@156ffd63, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-03 09:07:41,984 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-03 09:07:41,987 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 24 states have internal predecessors, (31), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-03 09:07:41,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-03 09:07:41,993 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 09:07:41,993 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 09:07:41,994 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting roundingTestErr0ASSERT_VIOLATIONERROR_FUNCTION === [roundingTestErr0ASSERT_VIOLATIONERROR_FUNCTION, roundingTestErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 09:07:41,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 09:07:41,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1145250574, now seen corresponding path program 1 times [2024-11-03 09:07:42,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 09:07:42,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2146260539] [2024-11-03 09:07:42,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 09:07:42,008 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 09:07:42,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-03 09:07:42,012 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) [2024-11-03 09:07:42,014 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 [2024-11-03 09:07:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 09:07:42,111 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 09:07:42,114 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 09:07:42,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 09:07:42,143 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 09:07:42,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 09:07:42,171 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 09:07:42,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2146260539] [2024-11-03 09:07:42,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2146260539] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 09:07:42,172 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 09:07:42,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-03 09:07:42,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120066954] [2024-11-03 09:07:42,174 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 09:07:42,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-03 09:07:42,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 09:07:42,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-03 09:07:42,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-03 09:07:42,202 INFO L87 Difference]: Start difference. First operand has 34 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 24 states have internal predecessors, (31), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-03 09:07:42,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 09:07:42,270 INFO L93 Difference]: Finished difference Result 71 states and 96 transitions. [2024-11-03 09:07:42,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-03 09:07:42,273 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 11 [2024-11-03 09:07:42,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 09:07:42,277 INFO L225 Difference]: With dead ends: 71 [2024-11-03 09:07:42,278 INFO L226 Difference]: Without dead ends: 34 [2024-11-03 09:07:42,280 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-03 09:07:42,282 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 5 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 09:07:42,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 94 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 09:07:42,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-03 09:07:42,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-11-03 09:07:42,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 24 states have internal predecessors, (27), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-03 09:07:42,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2024-11-03 09:07:42,311 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 38 transitions. Word has length 11 [2024-11-03 09:07:42,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 09:07:42,311 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 38 transitions. [2024-11-03 09:07:42,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-03 09:07:42,312 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2024-11-03 09:07:42,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-03 09:07:42,312 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 09:07:42,313 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 09:07:42,318 INFO L552 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)] Ended with exit code 0 [2024-11-03 09:07:42,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /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 [2024-11-03 09:07:42,514 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting roundingTestErr0ASSERT_VIOLATIONERROR_FUNCTION === [roundingTestErr0ASSERT_VIOLATIONERROR_FUNCTION, roundingTestErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 09:07:42,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 09:07:42,515 INFO L85 PathProgramCache]: Analyzing trace with hash 184007803, now seen corresponding path program 1 times [2024-11-03 09:07:42,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 09:07:42,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [852541552] [2024-11-03 09:07:42,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 09:07:42,515 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 09:07:42,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-03 09:07:42,517 INFO L229 MonitoredProcess]: Starting monitored process 3 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) [2024-11-03 09:07:42,518 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 (3)] Waiting until timeout for monitored process [2024-11-03 09:07:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 09:07:42,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-03 09:07:42,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 09:07:42,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 09:07:42,858 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 09:07:47,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-03 09:07:47,925 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 09:07:47,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [852541552] [2024-11-03 09:07:47,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [852541552] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 09:07:47,925 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 09:07:47,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2024-11-03 09:07:47,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78916742] [2024-11-03 09:07:47,926 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 09:07:47,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-03 09:07:47,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 09:07:47,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-03 09:07:47,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-03 09:07:47,930 INFO L87 Difference]: Start difference. First operand 34 states and 38 transitions. Second operand has 14 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-03 09:07:52,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 09:07:52,923 INFO L93 Difference]: Finished difference Result 75 states and 85 transitions. [2024-11-03 09:07:52,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-03 09:07:52,925 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 12 [2024-11-03 09:07:52,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 09:07:52,928 INFO L225 Difference]: With dead ends: 75 [2024-11-03 09:07:52,928 INFO L226 Difference]: Without dead ends: 67 [2024-11-03 09:07:52,929 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2024-11-03 09:07:52,930 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 42 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-03 09:07:52,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 275 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-03 09:07:52,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-03 09:07:52,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 59. [2024-11-03 09:07:52,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 38 states have (on average 1.1578947368421053) internal successors, (44), 39 states have internal predecessors, (44), 12 states have call successors, (12), 8 states have call predecessors, (12), 7 states have return successors, (13), 11 states have call predecessors, (13), 10 states have call successors, (13) [2024-11-03 09:07:52,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 69 transitions. [2024-11-03 09:07:52,947 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 69 transitions. Word has length 12 [2024-11-03 09:07:52,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 09:07:52,948 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 69 transitions. [2024-11-03 09:07:52,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-03 09:07:52,948 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 69 transitions. [2024-11-03 09:07:52,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-03 09:07:52,949 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 09:07:52,949 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 09:07:52,953 INFO L552 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 (3)] Ended with exit code 0 [2024-11-03 09:07:53,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /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 [2024-11-03 09:07:53,150 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting roundingTestErr1ASSERT_VIOLATIONERROR_FUNCTION === [roundingTestErr0ASSERT_VIOLATIONERROR_FUNCTION, roundingTestErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 09:07:53,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 09:07:53,151 INFO L85 PathProgramCache]: Analyzing trace with hash 332915595, now seen corresponding path program 1 times [2024-11-03 09:07:53,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 09:07:53,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [472646380] [2024-11-03 09:07:53,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 09:07:53,152 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 09:07:53,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-03 09:07:53,155 INFO L229 MonitoredProcess]: Starting monitored process 4 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) [2024-11-03 09:07:53,156 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 (4)] Waiting until timeout for monitored process [2024-11-03 09:07:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 09:07:53,218 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-03 09:07:53,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 09:07:53,233 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-03 09:07:53,233 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 09:07:53,260 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-03 09:07:53,261 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 09:07:53,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [472646380] [2024-11-03 09:07:53,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [472646380] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 09:07:53,261 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 09:07:53,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-03 09:07:53,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543058415] [2024-11-03 09:07:53,262 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 09:07:53,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-03 09:07:53,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 09:07:53,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-03 09:07:53,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-03 09:07:53,268 INFO L87 Difference]: Start difference. First operand 59 states and 69 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-03 09:07:53,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 09:07:53,320 INFO L93 Difference]: Finished difference Result 100 states and 117 transitions. [2024-11-03 09:07:53,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-03 09:07:53,320 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2024-11-03 09:07:53,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 09:07:53,321 INFO L225 Difference]: With dead ends: 100 [2024-11-03 09:07:53,321 INFO L226 Difference]: Without dead ends: 43 [2024-11-03 09:07:53,322 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-03 09:07:53,323 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 5 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-03 09:07:53,323 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 79 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-03 09:07:53,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-03 09:07:53,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2024-11-03 09:07:53,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 27 states have (on average 1.0740740740740742) internal successors, (29), 28 states have internal predecessors, (29), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-03 09:07:53,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 44 transitions. [2024-11-03 09:07:53,331 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 44 transitions. Word has length 20 [2024-11-03 09:07:53,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 09:07:53,332 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 44 transitions. [2024-11-03 09:07:53,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-03 09:07:53,332 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2024-11-03 09:07:53,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-03 09:07:53,333 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 09:07:53,333 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 09:07:53,339 INFO L540 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 (4)] Forceful destruction successful, exit code 0 [2024-11-03 09:07:53,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /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 [2024-11-03 09:07:53,534 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting roundingTestErr1ASSERT_VIOLATIONERROR_FUNCTION === [roundingTestErr0ASSERT_VIOLATIONERROR_FUNCTION, roundingTestErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 09:07:53,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 09:07:53,535 INFO L85 PathProgramCache]: Analyzing trace with hash -953275064, now seen corresponding path program 1 times [2024-11-03 09:07:53,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 09:07:53,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1981170729] [2024-11-03 09:07:53,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 09:07:53,535 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 09:07:53,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-03 09:07:53,539 INFO L229 MonitoredProcess]: Starting monitored process 5 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) [2024-11-03 09:07:53,540 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 (5)] Waiting until timeout for monitored process [2024-11-03 09:07:53,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 09:07:53,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-03 09:07:53,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 09:07:53,897 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-03 09:07:53,897 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 09:08:00,797 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-03 09:08:00,797 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 09:08:00,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1981170729] [2024-11-03 09:08:00,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1981170729] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 09:08:00,797 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 09:08:00,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2024-11-03 09:08:00,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631980164] [2024-11-03 09:08:00,798 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 09:08:00,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-03 09:08:00,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 09:08:00,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-03 09:08:00,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-03 09:08:00,800 INFO L87 Difference]: Start difference. First operand 41 states and 44 transitions. Second operand has 14 states, 12 states have (on average 1.9166666666666667) internal successors, (23), 10 states have internal predecessors, (23), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-03 09:08:04,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 09:08:04,501 INFO L93 Difference]: Finished difference Result 45 states and 47 transitions. [2024-11-03 09:08:04,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-03 09:08:04,501 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 1.9166666666666667) internal successors, (23), 10 states have internal predecessors, (23), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 21 [2024-11-03 09:08:04,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 09:08:04,502 INFO L225 Difference]: With dead ends: 45 [2024-11-03 09:08:04,502 INFO L226 Difference]: Without dead ends: 43 [2024-11-03 09:08:04,503 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2024-11-03 09:08:04,504 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 34 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-03 09:08:04,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 217 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-03 09:08:04,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-03 09:08:04,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2024-11-03 09:08:04,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 27 states have (on average 1.037037037037037) internal successors, (28), 28 states have internal predecessors, (28), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-03 09:08:04,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2024-11-03 09:08:04,512 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 21 [2024-11-03 09:08:04,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 09:08:04,512 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2024-11-03 09:08:04,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 1.9166666666666667) internal successors, (23), 10 states have internal predecessors, (23), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-03 09:08:04,513 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2024-11-03 09:08:04,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-03 09:08:04,515 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 09:08:04,515 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 09:08:04,522 INFO L540 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 (5)] Forceful destruction successful, exit code 0 [2024-11-03 09:08:04,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /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 [2024-11-03 09:08:04,716 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting roundingTestErr0ASSERT_VIOLATIONERROR_FUNCTION === [roundingTestErr0ASSERT_VIOLATIONERROR_FUNCTION, roundingTestErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 09:08:04,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 09:08:04,716 INFO L85 PathProgramCache]: Analyzing trace with hash 809857432, now seen corresponding path program 1 times [2024-11-03 09:08:04,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 09:08:04,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1630297059] [2024-11-03 09:08:04,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 09:08:04,717 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 09:08:04,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-03 09:08:04,718 INFO L229 MonitoredProcess]: Starting monitored process 6 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) [2024-11-03 09:08:04,719 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 (6)] Waiting until timeout for monitored process [2024-11-03 09:08:04,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 09:08:04,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-03 09:08:04,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 09:08:06,012 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-03 09:08:06,012 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 09:08:13,997 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-03 09:08:13,997 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 09:08:13,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1630297059] [2024-11-03 09:08:13,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1630297059] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 09:08:13,998 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 09:08:13,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 18 [2024-11-03 09:08:13,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600028229] [2024-11-03 09:08:13,998 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 09:08:13,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-03 09:08:13,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 09:08:13,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-03 09:08:14,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2024-11-03 09:08:14,000 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand has 18 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 11 states have internal predecessors, (31), 6 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (8), 6 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-03 09:08:18,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 09:08:18,507 INFO L93 Difference]: Finished difference Result 43 states and 45 transitions. [2024-11-03 09:08:18,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-03 09:08:18,508 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 11 states have internal predecessors, (31), 6 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (8), 6 states have call predecessors, (8), 4 states have call successors, (8) Word has length 43 [2024-11-03 09:08:18,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 09:08:18,509 INFO L225 Difference]: With dead ends: 43 [2024-11-03 09:08:18,509 INFO L226 Difference]: Without dead ends: 41 [2024-11-03 09:08:18,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 64 SyntacticMatches, 4 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2024-11-03 09:08:18,510 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 30 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-03 09:08:18,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 278 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-03 09:08:18,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-11-03 09:08:18,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2024-11-03 09:08:18,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 26 states have (on average 1.0) internal successors, (26), 26 states have internal predecessors, (26), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-03 09:08:18,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 41 transitions. [2024-11-03 09:08:18,517 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 41 transitions. Word has length 43 [2024-11-03 09:08:18,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 09:08:18,517 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 41 transitions. [2024-11-03 09:08:18,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 11 states have internal predecessors, (31), 6 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (8), 6 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-03 09:08:18,518 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2024-11-03 09:08:18,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-03 09:08:18,519 INFO L207 NwaCegarLoop]: Found error trace [2024-11-03 09:08:18,519 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-03 09:08:18,526 INFO L552 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 (6)] Ended with exit code 0 [2024-11-03 09:08:18,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /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 [2024-11-03 09:08:18,720 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting roundingTestErr1ASSERT_VIOLATIONERROR_FUNCTION === [roundingTestErr0ASSERT_VIOLATIONERROR_FUNCTION, roundingTestErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-03 09:08:18,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-03 09:08:18,720 INFO L85 PathProgramCache]: Analyzing trace with hash -506599221, now seen corresponding path program 1 times [2024-11-03 09:08:18,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-03 09:08:18,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [317672089] [2024-11-03 09:08:18,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-03 09:08:18,721 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-03 09:08:18,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-03 09:08:18,722 INFO L229 MonitoredProcess]: Starting monitored process 7 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) [2024-11-03 09:08:18,723 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 (7)] Waiting until timeout for monitored process [2024-11-03 09:08:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-03 09:08:18,817 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-03 09:08:18,819 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-03 09:08:19,990 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-03 09:08:19,990 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-03 09:08:38,165 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-03 09:08:38,166 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-03 09:08:38,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [317672089] [2024-11-03 09:08:38,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [317672089] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-03 09:08:38,166 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-03 09:08:38,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 19 [2024-11-03 09:08:38,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349074482] [2024-11-03 09:08:38,166 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-03 09:08:38,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-03 09:08:38,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-03 09:08:38,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-03 09:08:38,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2024-11-03 09:08:38,168 INFO L87 Difference]: Start difference. First operand 39 states and 41 transitions. Second operand has 19 states, 15 states have (on average 2.3333333333333335) internal successors, (35), 11 states have internal predecessors, (35), 7 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (11), 9 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-03 09:08:46,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-03 09:08:46,976 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2024-11-03 09:08:46,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-03 09:08:46,976 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 15 states have (on average 2.3333333333333335) internal successors, (35), 11 states have internal predecessors, (35), 7 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (11), 9 states have call predecessors, (11), 5 states have call successors, (11) Word has length 52 [2024-11-03 09:08:46,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-03 09:08:46,977 INFO L225 Difference]: With dead ends: 41 [2024-11-03 09:08:46,977 INFO L226 Difference]: Without dead ends: 0 [2024-11-03 09:08:46,977 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 82 SyntacticMatches, 3 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 16.4s TimeCoverageRelationStatistics Valid=112, Invalid=590, Unknown=0, NotChecked=0, Total=702 [2024-11-03 09:08:46,978 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 24 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-11-03 09:08:46,978 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 335 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2024-11-03 09:08:46,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-03 09:08:46,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-03 09:08:46,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-03 09:08:46,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-03 09:08:46,979 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 52 [2024-11-03 09:08:46,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-03 09:08:46,979 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-03 09:08:46,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 15 states have (on average 2.3333333333333335) internal successors, (35), 11 states have internal predecessors, (35), 7 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (11), 9 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-03 09:08:46,980 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-03 09:08:46,980 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-03 09:08:46,982 INFO L782 garLoopResultBuilder]: Registering result SAFE for location roundingTestErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-11-03 09:08:46,983 INFO L782 garLoopResultBuilder]: Registering result SAFE for location roundingTestErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-11-03 09:08:46,991 INFO L540 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 (7)] Forceful destruction successful, exit code 0 [2024-11-03 09:08:47,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /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 [2024-11-03 09:08:47,186 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-03 09:08:47,188 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-03 09:08:49,405 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-03 09:08:49,412 WARN L156 FloydHoareUtils]: Requires clause for ULTIMATE.setCurrentRoundingMode contained old-variable. Original clause: (let ((.cse0 (= |old(currentRoundingMode)| roundNearestTiesToEven))) (and (or (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.setCurrentRoundingMode_i (_ bv0 32)) (not .cse0)) (or (not (= ULTIMATE.setCurrentRoundingMode_i (_ bv1024 32))) .cse0) (or (not (= |old(currentRoundingMode)| roundTowardNegative)) (= currentRoundingMode roundTowardNegative)))) Eliminated clause: (exists ((|old(currentRoundingMode)| RoundingMode)) (let ((.cse0 (= |old(currentRoundingMode)| roundNearestTiesToEven))) (and (or (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.setCurrentRoundingMode_i (_ bv0 32)) (not .cse0)) (or (not (= ULTIMATE.setCurrentRoundingMode_i (_ bv1024 32))) .cse0) (or (not (= |old(currentRoundingMode)| roundTowardNegative)) (= currentRoundingMode roundTowardNegative))))) [2024-11-03 09:08:49,432 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 09:08:49,432 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundTowardNegative [2024-11-03 09:08:49,434 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 09:08:49,435 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundTowardNegative [2024-11-03 09:08:49,437 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_NAN [2024-11-03 09:08:49,438 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_INFINITE [2024-11-03 09:08:49,438 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_ZERO [2024-11-03 09:08:49,438 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_SUBNORMAL [2024-11-03 09:08:49,438 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_NORMAL [2024-11-03 09:08:49,438 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IEEE_ [2024-11-03 09:08:49,438 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_SVID_ [2024-11-03 09:08:49,438 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_XOPEN_ [2024-11-03 09:08:49,438 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_POSIX_ [2024-11-03 09:08:49,438 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISOC_ [2024-11-03 09:08:49,439 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_INVALID [2024-11-03 09:08:49,439 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__FE_DENORM [2024-11-03 09:08:49,439 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_DIVBYZERO [2024-11-03 09:08:49,439 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_OVERFLOW [2024-11-03 09:08:49,439 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_UNDERFLOW [2024-11-03 09:08:49,439 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_INEXACT [2024-11-03 09:08:49,439 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FE_TONEAREST [2024-11-03 09:08:49,439 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FE_DOWNWARD [2024-11-03 09:08:49,440 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FE_UPWARD [2024-11-03 09:08:49,440 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FE_TOWARDZERO [2024-11-03 09:08:49,445 WARN L156 FloydHoareUtils]: Requires clause for roundingTest contained old-variable. Original clause: (let ((.cse0 (= |old(currentRoundingMode)| roundNearestTiesToEven)) (.cse1 (= |old(currentRoundingMode)| roundTowardNegative))) (and (or (= currentRoundingMode roundNearestTiesToEven) (not .cse0)) (or (and (exists ((v_subst_3 RoundingMode)) (and (= |roundingTest_#in~f2| ((_ to_fp 8 24) v_subst_3 ((_ to_fp 11 53) v_subst_3 (/ 3.0 33554432.0)))) (= |roundingTest_#in~f1| ((_ to_fp 8 24) v_subst_3 ((_ to_fp 11 53) v_subst_3 1.0))))) .cse0) (and .cse1 (exists ((currentRoundingMode RoundingMode)) (and (fp.lt ((_ to_fp 8 24) currentRoundingMode (/ 12582911.0 140737488355328.0)) |roundingTest_#in~f2|) (fp.lt |roundingTest_#in~f2| ((_ to_fp 8 24) currentRoundingMode (/ 12582913.0 140737488355328.0))) (fp.lt ((_ to_fp 8 24) currentRoundingMode (/ 16777215.0 16777216.0)) |roundingTest_#in~f1|) (fp.lt |roundingTest_#in~f1| ((_ to_fp 8 24) currentRoundingMode (/ 8388609.0 8388608.0))))))) (or (not .cse1) (= currentRoundingMode roundTowardNegative)))) Eliminated clause: (exists ((|old(currentRoundingMode)| RoundingMode)) (let ((.cse0 (= |old(currentRoundingMode)| roundNearestTiesToEven)) (.cse1 (= |old(currentRoundingMode)| roundTowardNegative))) (and (or (= currentRoundingMode roundNearestTiesToEven) (not .cse0)) (or (and (exists ((v_subst_3 RoundingMode)) (and (= |roundingTest_#in~f2| ((_ to_fp 8 24) v_subst_3 ((_ to_fp 11 53) v_subst_3 (/ 3.0 33554432.0)))) (= |roundingTest_#in~f1| ((_ to_fp 8 24) v_subst_3 ((_ to_fp 11 53) v_subst_3 1.0))))) .cse0) (and .cse1 (exists ((currentRoundingMode RoundingMode)) (and (fp.lt ((_ to_fp 8 24) currentRoundingMode (/ 12582911.0 140737488355328.0)) |roundingTest_#in~f2|) (fp.lt |roundingTest_#in~f2| ((_ to_fp 8 24) currentRoundingMode (/ 12582913.0 140737488355328.0))) (fp.lt ((_ to_fp 8 24) currentRoundingMode (/ 16777215.0 16777216.0)) |roundingTest_#in~f1|) (fp.lt |roundingTest_#in~f1| ((_ to_fp 8 24) currentRoundingMode (/ 8388609.0 8388608.0))))))) (or (not .cse1) (= currentRoundingMode roundTowardNegative))))) [2024-11-03 09:08:49,450 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-03 09:08:49,450 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 09:08:49,450 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundTowardNegative [2024-11-03 09:08:49,450 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 09:08:49,450 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 09:08:49,450 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-03 09:08:49,450 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 09:08:49,451 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-03 09:08:49,451 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-03 09:08:49,451 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundTowardNegative [2024-11-03 09:08:49,451 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-03 09:08:49,451 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_NAN [2024-11-03 09:08:49,451 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_INFINITE [2024-11-03 09:08:49,451 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_ZERO [2024-11-03 09:08:49,451 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_SUBNORMAL [2024-11-03 09:08:49,452 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_NORMAL [2024-11-03 09:08:49,452 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IEEE_ [2024-11-03 09:08:49,452 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_SVID_ [2024-11-03 09:08:49,452 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_XOPEN_ [2024-11-03 09:08:49,452 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_POSIX_ [2024-11-03 09:08:49,452 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISOC_ [2024-11-03 09:08:49,452 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_INVALID [2024-11-03 09:08:49,452 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__FE_DENORM [2024-11-03 09:08:49,452 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_DIVBYZERO [2024-11-03 09:08:49,453 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_OVERFLOW [2024-11-03 09:08:49,453 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_UNDERFLOW [2024-11-03 09:08:49,453 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_INEXACT [2024-11-03 09:08:49,453 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FE_TONEAREST [2024-11-03 09:08:49,453 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FE_DOWNWARD [2024-11-03 09:08:49,453 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FE_UPWARD [2024-11-03 09:08:49,453 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FE_TOWARDZERO [2024-11-03 09:08:49,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 09:08:49 BoogieIcfgContainer [2024-11-03 09:08:49,454 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-03 09:08:49,455 INFO L158 Benchmark]: Toolchain (without parser) took 68539.93ms. Allocated memory was 194.0MB in the beginning and 251.7MB in the end (delta: 57.7MB). Free memory was 149.9MB in the beginning and 200.2MB in the end (delta: -50.4MB). Peak memory consumption was 131.2MB. Max. memory is 8.0GB. [2024-11-03 09:08:49,455 INFO L158 Benchmark]: CDTParser took 0.83ms. Allocated memory is still 194.0MB. Free memory is still 150.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-03 09:08:49,455 INFO L158 Benchmark]: CACSL2BoogieTranslator took 609.64ms. Allocated memory is still 194.0MB. Free memory was 149.5MB in the beginning and 158.3MB in the end (delta: -8.8MB). Peak memory consumption was 52.0MB. Max. memory is 8.0GB. [2024-11-03 09:08:49,455 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.71ms. Allocated memory is still 194.0MB. Free memory was 158.3MB in the beginning and 156.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 09:08:49,456 INFO L158 Benchmark]: Boogie Preprocessor took 32.68ms. Allocated memory is still 194.0MB. Free memory was 155.7MB in the beginning and 153.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-03 09:08:49,456 INFO L158 Benchmark]: RCFGBuilder took 309.11ms. Allocated memory is still 194.0MB. Free memory was 153.6MB in the beginning and 141.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-11-03 09:08:49,456 INFO L158 Benchmark]: TraceAbstraction took 67539.60ms. Allocated memory was 194.0MB in the beginning and 251.7MB in the end (delta: 57.7MB). Free memory was 140.0MB in the beginning and 200.2MB in the end (delta: -60.3MB). Peak memory consumption was 120.1MB. Max. memory is 8.0GB. [2024-11-03 09:08:49,458 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83ms. Allocated memory is still 194.0MB. Free memory is still 150.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 609.64ms. Allocated memory is still 194.0MB. Free memory was 149.5MB in the beginning and 158.3MB in the end (delta: -8.8MB). Peak memory consumption was 52.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.71ms. Allocated memory is still 194.0MB. Free memory was 158.3MB in the beginning and 156.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.68ms. Allocated memory is still 194.0MB. Free memory was 155.7MB in the beginning and 153.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 309.11ms. Allocated memory is still 194.0MB. Free memory was 153.6MB in the beginning and 141.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 67539.60ms. Allocated memory was 194.0MB in the beginning and 251.7MB in the end (delta: 57.7MB). Free memory was 140.0MB in the beginning and 200.2MB in the end (delta: -60.3MB). Peak memory consumption was 120.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 1095]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma STDC FENV_ACCESS OFF [1095] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundTowardNegative - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundTowardNegative - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_NAN - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_INFINITE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_ZERO - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_SUBNORMAL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_NORMAL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IEEE_ - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_SVID_ - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_XOPEN_ - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_POSIX_ - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISOC_ - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_INVALID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__FE_DENORM - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_DIVBYZERO - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_OVERFLOW - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_UNDERFLOW - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_INEXACT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FE_TONEAREST - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FE_DOWNWARD - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FE_UPWARD - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FE_TOWARDZERO - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundTowardNegative - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundTowardNegative - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_NAN - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_INFINITE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_ZERO - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_SUBNORMAL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_NORMAL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IEEE_ - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_SVID_ - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_XOPEN_ - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_POSIX_ - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISOC_ - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_INVALID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__FE_DENORM - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_DIVBYZERO - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_OVERFLOW - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_UNDERFLOW - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_INEXACT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FE_TONEAREST - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FE_DOWNWARD - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FE_UPWARD - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FE_TOWARDZERO * 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: 1103]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1110]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 34 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 65.2s, OverallIterations: 6, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 22.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 144 SdHoareTripleChecker+Valid, 16.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 140 mSDsluCounter, 1278 SdHoareTripleChecker+Invalid, 15.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1084 mSDsCounter, 69 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 723 IncrementalHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 69 mSolverCounterUnsat, 194 mSDtfsCounter, 723 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 327 GetRequests, 238 SyntacticMatches, 7 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 37.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=2, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 14 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 41.2s InterpolantComputationTime, 159 NumberOfCodeBlocks, 159 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 306 ConstructedInterpolants, 35 QuantifiedInterpolants, 1301 SizeOfPredicates, 26 NumberOfNonLiveVariables, 317 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 130/130 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - ProcedureContractResult [Line: 2]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((0 != cond) && ((signgam == \old(signgam)) && (_LIB_VERSION == \old(_LIB_VERSION)))) - ProcedureContractResult [Line: 1097]: Procedure Contract for roundingTest Derived contract for procedure roundingTest. Ensures: ((signgam == \old(signgam)) && (_LIB_VERSION == \old(_LIB_VERSION))) RESULT: Ultimate proved your program to be correct! [2024-11-03 09:08:49,666 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...