/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-95.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 23:48:25,058 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 23:48:25,107 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-23 23:48:25,111 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 23:48:25,111 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 23:48:25,134 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 23:48:25,135 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 23:48:25,135 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 23:48:25,135 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 23:48:25,136 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 23:48:25,136 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 23:48:25,136 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 23:48:25,136 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 23:48:25,137 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 23:48:25,137 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 23:48:25,137 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 23:48:25,137 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 23:48:25,138 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 23:48:25,138 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 23:48:25,138 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 23:48:25,138 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 23:48:25,141 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 23:48:25,141 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 23:48:25,141 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 23:48:25,141 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 23:48:25,141 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 23:48:25,142 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 23:48:25,142 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 23:48:25,142 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 23:48:25,142 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 23:48:25,142 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 23:48:25,143 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 23:48:25,143 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 23:48:25,143 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 23:48:25,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 23:48:25,143 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 23:48:25,144 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 23:48:25,144 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 23:48:25,144 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 23:48:25,144 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 23:48:25,144 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 23:48:25,147 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 23:48:25,147 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 23:48:25,148 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 23:48:25,148 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 23:48:25,149 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 23:48:25,149 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 23:48:25,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 23:48:25,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 23:48:25,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 23:48:25,345 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 23:48:25,345 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 23:48:25,349 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-95.i [2023-12-23 23:48:26,396 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 23:48:26,566 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 23:48:26,566 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-95.i [2023-12-23 23:48:26,572 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bad4698f/64f88e52660e47fbac8f0e394079edf0/FLAG0737e1919 [2023-12-23 23:48:26,591 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bad4698f/64f88e52660e47fbac8f0e394079edf0 [2023-12-23 23:48:26,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 23:48:26,593 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 23:48:26,594 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 23:48:26,594 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 23:48:26,597 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 23:48:26,598 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 11:48:26" (1/1) ... [2023-12-23 23:48:26,598 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62836ec4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:48:26, skipping insertion in model container [2023-12-23 23:48:26,599 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 11:48:26" (1/1) ... [2023-12-23 23:48:26,633 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 23:48:26,755 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-95.i[916,929] [2023-12-23 23:48:26,803 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 23:48:26,814 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 23:48:26,823 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-95.i[916,929] [2023-12-23 23:48:26,855 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 23:48:26,883 INFO L206 MainTranslator]: Completed translation [2023-12-23 23:48:26,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:48:26 WrapperNode [2023-12-23 23:48:26,884 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 23:48:26,884 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 23:48:26,885 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 23:48:26,885 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 23:48:26,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:48:26" (1/1) ... [2023-12-23 23:48:26,905 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:48:26" (1/1) ... [2023-12-23 23:48:26,929 INFO L138 Inliner]: procedures = 27, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 215 [2023-12-23 23:48:26,929 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 23:48:26,930 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 23:48:26,930 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 23:48:26,930 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 23:48:26,938 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:48:26" (1/1) ... [2023-12-23 23:48:26,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:48:26" (1/1) ... [2023-12-23 23:48:26,941 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:48:26" (1/1) ... [2023-12-23 23:48:26,963 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]. [2023-12-23 23:48:26,964 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:48:26" (1/1) ... [2023-12-23 23:48:26,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:48:26" (1/1) ... [2023-12-23 23:48:26,992 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:48:26" (1/1) ... [2023-12-23 23:48:26,998 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:48:26" (1/1) ... [2023-12-23 23:48:27,000 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:48:26" (1/1) ... [2023-12-23 23:48:27,001 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:48:26" (1/1) ... [2023-12-23 23:48:27,004 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 23:48:27,005 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 23:48:27,005 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 23:48:27,005 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 23:48:27,006 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:48:26" (1/1) ... [2023-12-23 23:48:27,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 23:48:27,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 23:48:27,040 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) [2023-12-23 23:48:27,059 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 [2023-12-23 23:48:27,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 23:48:27,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 23:48:27,065 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 23:48:27,066 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 23:48:27,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 23:48:27,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 23:48:27,155 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 23:48:27,157 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 23:48:50,179 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 23:48:50,239 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 23:48:50,240 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 23:48:50,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 11:48:50 BoogieIcfgContainer [2023-12-23 23:48:50,240 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 23:48:50,243 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 23:48:50,243 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 23:48:50,245 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 23:48:50,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 11:48:26" (1/3) ... [2023-12-23 23:48:50,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@379a601e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 11:48:50, skipping insertion in model container [2023-12-23 23:48:50,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 11:48:26" (2/3) ... [2023-12-23 23:48:50,247 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@379a601e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 11:48:50, skipping insertion in model container [2023-12-23 23:48:50,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 11:48:50" (3/3) ... [2023-12-23 23:48:50,248 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-95.i [2023-12-23 23:48:50,260 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 23:48:50,260 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 23:48:50,305 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 23:48:50,311 INFO L357 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, mHoare=true, 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;@306126b8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 23:48:50,311 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 23:48:50,316 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 56 states have (on average 1.5) internal successors, (84), 57 states have internal predecessors, (84), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-23 23:48:50,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-12-23 23:48:50,338 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 23:48:50,338 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 23:48:50,339 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 23:48:50,342 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 23:48:50,342 INFO L85 PathProgramCache]: Analyzing trace with hash -672926440, now seen corresponding path program 1 times [2023-12-23 23:48:50,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 23:48:50,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [353210643] [2023-12-23 23:48:50,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 23:48:50,353 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 [2023-12-23 23:48:50,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 23:48:50,358 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) [2023-12-23 23:48:50,361 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 [2023-12-23 23:48:52,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 23:48:52,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 23:48:52,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 23:48:52,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 942 proven. 0 refuted. 0 times theorem prover too weak. 1042 trivial. 0 not checked. [2023-12-23 23:48:52,562 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 23:48:52,572 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 23:48:52,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [353210643] [2023-12-23 23:48:52,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [353210643] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 23:48:52,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 23:48:52,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 23:48:52,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548113745] [2023-12-23 23:48:52,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 23:48:52,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 23:48:52,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 23:48:52,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 23:48:52,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 23:48:52,604 INFO L87 Difference]: Start difference. First operand has 91 states, 56 states have (on average 1.5) internal successors, (84), 57 states have internal predecessors, (84), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-23 23:48:58,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 23:48:58,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 23:48:58,004 INFO L93 Difference]: Finished difference Result 177 states and 322 transitions. [2023-12-23 23:48:58,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 23:48:58,487 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 199 [2023-12-23 23:48:58,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 23:48:58,493 INFO L225 Difference]: With dead ends: 177 [2023-12-23 23:48:58,493 INFO L226 Difference]: Without dead ends: 87 [2023-12-23 23:48:58,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 23:48:58,498 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-12-23 23:48:58,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2023-12-23 23:48:58,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-12-23 23:48:58,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-12-23 23:48:58,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 53 states have (on average 1.3962264150943395) internal successors, (74), 53 states have internal predecessors, (74), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-23 23:48:58,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 138 transitions. [2023-12-23 23:48:58,535 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 138 transitions. Word has length 199 [2023-12-23 23:48:58,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 23:48:58,535 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 138 transitions. [2023-12-23 23:48:58,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-23 23:48:58,536 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 138 transitions. [2023-12-23 23:48:58,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-12-23 23:48:58,539 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 23:48:58,539 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 23:48:58,586 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 [2023-12-23 23:48:58,756 WARN L477 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 [2023-12-23 23:48:58,756 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 23:48:58,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 23:48:58,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1489723684, now seen corresponding path program 1 times [2023-12-23 23:48:58,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 23:48:58,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [866785392] [2023-12-23 23:48:58,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 23:48:58,758 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 [2023-12-23 23:48:58,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 23:48:58,759 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) [2023-12-23 23:48:58,761 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 [2023-12-23 23:49:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 23:49:00,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-23 23:49:00,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 23:49:03,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 1003 proven. 39 refuted. 0 times theorem prover too weak. 942 trivial. 0 not checked. [2023-12-23 23:49:03,552 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 23:49:05,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 54 proven. 39 refuted. 0 times theorem prover too weak. 1891 trivial. 0 not checked. [2023-12-23 23:49:05,201 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 23:49:05,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [866785392] [2023-12-23 23:49:05,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [866785392] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-23 23:49:05,202 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 23:49:05,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-12-23 23:49:05,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404505139] [2023-12-23 23:49:05,203 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 23:49:05,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-23 23:49:05,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 23:49:05,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-23 23:49:05,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-23 23:49:05,205 INFO L87 Difference]: Start difference. First operand 87 states and 138 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2023-12-23 23:49:13,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 23:49:17,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 23:49:21,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 23:49:21,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 23:49:21,938 INFO L93 Difference]: Finished difference Result 179 states and 280 transitions. [2023-12-23 23:49:22,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-23 23:49:22,412 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 199 [2023-12-23 23:49:22,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 23:49:22,414 INFO L225 Difference]: With dead ends: 179 [2023-12-23 23:49:22,414 INFO L226 Difference]: Without dead ends: 93 [2023-12-23 23:49:22,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 390 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-23 23:49:22,415 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 204 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 84 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2023-12-23 23:49:22,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 222 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 175 Invalid, 3 Unknown, 0 Unchecked, 16.2s Time] [2023-12-23 23:49:22,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-12-23 23:49:22,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2023-12-23 23:49:22,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 56 states have (on average 1.3571428571428572) internal successors, (76), 56 states have internal predecessors, (76), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-23 23:49:22,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 140 transitions. [2023-12-23 23:49:22,429 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 140 transitions. Word has length 199 [2023-12-23 23:49:22,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 23:49:22,430 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 140 transitions. [2023-12-23 23:49:22,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 2 states have call successors, (45), 2 states have call predecessors, (45), 4 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2023-12-23 23:49:22,430 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 140 transitions. [2023-12-23 23:49:22,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-12-23 23:49:22,432 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 23:49:22,433 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 23:49:22,478 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 [2023-12-23 23:49:22,638 WARN L477 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 [2023-12-23 23:49:22,638 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 23:49:22,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 23:49:22,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1087633993, now seen corresponding path program 1 times [2023-12-23 23:49:22,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 23:49:22,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [825281346] [2023-12-23 23:49:22,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 23:49:22,640 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 [2023-12-23 23:49:22,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 23:49:22,641 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) [2023-12-23 23:49:22,653 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 [2023-12-23 23:49:24,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 23:49:24,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-23 23:49:24,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 23:49:24,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2023-12-23 23:49:24,947 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 23:49:24,947 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 23:49:24,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [825281346] [2023-12-23 23:49:24,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [825281346] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 23:49:24,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 23:49:24,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-23 23:49:24,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495880491] [2023-12-23 23:49:24,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 23:49:24,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-23 23:49:24,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 23:49:24,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-23 23:49:24,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 23:49:24,950 INFO L87 Difference]: Start difference. First operand 91 states and 140 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-12-23 23:49:29,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 23:49:30,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 23:49:36,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 23:49:40,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 23:49:44,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 23:49:44,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 23:49:44,827 INFO L93 Difference]: Finished difference Result 268 states and 412 transitions. [2023-12-23 23:49:44,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-23 23:49:44,827 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 200 [2023-12-23 23:49:44,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 23:49:44,829 INFO L225 Difference]: With dead ends: 268 [2023-12-23 23:49:44,829 INFO L226 Difference]: Without dead ends: 178 [2023-12-23 23:49:44,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 23:49:44,831 INFO L413 NwaCegarLoop]: 253 mSDtfsCounter, 128 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.8s IncrementalHoareTripleChecker+Time [2023-12-23 23:49:44,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 373 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 4 Unknown, 0 Unchecked, 19.8s Time] [2023-12-23 23:49:44,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2023-12-23 23:49:44,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 93. [2023-12-23 23:49:44,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 58 states have (on average 1.3275862068965518) internal successors, (77), 58 states have internal predecessors, (77), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-23 23:49:44,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 141 transitions. [2023-12-23 23:49:44,845 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 141 transitions. Word has length 200 [2023-12-23 23:49:44,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 23:49:44,846 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 141 transitions. [2023-12-23 23:49:44,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2023-12-23 23:49:44,846 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 141 transitions. [2023-12-23 23:49:44,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-12-23 23:49:44,852 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 23:49:44,856 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 23:49:44,902 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 [2023-12-23 23:49:45,072 WARN L477 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 [2023-12-23 23:49:45,073 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 23:49:45,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 23:49:45,076 INFO L85 PathProgramCache]: Analyzing trace with hash 694606983, now seen corresponding path program 1 times [2023-12-23 23:49:45,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 23:49:45,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1346048536] [2023-12-23 23:49:45,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 23:49:45,077 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 [2023-12-23 23:49:45,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 23:49:45,078 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) [2023-12-23 23:49:45,079 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 [2023-12-23 23:49:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 23:49:47,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-23 23:49:47,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 23:50:21,264 WARN L293 SmtUtils]: Spent 8.93s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:50:30,138 WARN L293 SmtUtils]: Spent 8.87s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:50:36,365 WARN L293 SmtUtils]: Spent 6.23s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:50:45,281 WARN L293 SmtUtils]: Spent 8.91s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:50:54,120 WARN L293 SmtUtils]: Spent 8.84s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:51:03,018 WARN L293 SmtUtils]: Spent 8.90s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:51:11,877 WARN L293 SmtUtils]: Spent 8.86s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:51:20,777 WARN L293 SmtUtils]: Spent 8.90s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:51:29,644 WARN L293 SmtUtils]: Spent 8.87s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:51:38,554 WARN L293 SmtUtils]: Spent 8.91s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:51:45,735 WARN L293 SmtUtils]: Spent 7.18s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:51:54,637 WARN L293 SmtUtils]: Spent 8.90s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:52:03,551 WARN L293 SmtUtils]: Spent 8.91s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:52:12,479 WARN L293 SmtUtils]: Spent 8.93s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:52:21,363 WARN L293 SmtUtils]: Spent 8.88s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:52:30,254 WARN L293 SmtUtils]: Spent 8.89s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:52:39,140 WARN L293 SmtUtils]: Spent 8.89s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:52:48,084 WARN L293 SmtUtils]: Spent 8.94s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:52:56,620 WARN L293 SmtUtils]: Spent 8.54s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:53:05,532 WARN L293 SmtUtils]: Spent 8.91s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:53:09,795 WARN L854 $PredicateComparison]: unable to prove that (and (fp.eq c_~var_1_11~0 c_~var_1_12~0) (not (bvslt (bvsdiv c_~var_1_16~0 c_~var_1_17~0) (_ bv16 32))) (fp.lt c_~last_1_var_1_9~0 (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 2.0)) c_~var_1_29~0) c_~var_1_10~0)) (let ((.cse6 (bvadd ((_ zero_extend 24) c_~var_1_32~0) (bvneg ((_ sign_extend 24) c_~var_1_8~0)) (_ bv64 32))) (.cse4 ((_ zero_extend 24) c_~var_1_34~0))) (let ((.cse0 (bvslt .cse6 .cse4)) (.cse1 (= ((_ extract 7 0) .cse6) c_~var_1_31~0))) (or (and .cse0 .cse1) (and (not .cse0) (let ((.cse3 (bvadd ((_ sign_extend 24) c_~var_1_28~0) ((_ zero_extend 24) c_~var_1_33~0)))) (let ((.cse5 (bvslt .cse6 .cse3))) (or (and (let ((.cse2 (bvsgt .cse3 .cse4))) (or (and .cse2 (= c_~var_1_31~0 ((_ extract 7 0) .cse3))) (and (= ((_ extract 7 0) .cse4) c_~var_1_31~0) (not .cse2)))) (not .cse5)) (and .cse5 .cse1)))))))) (= c_~var_1_26~0 (_ bv16 16)) (= c_~var_1_29~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 509.0 4.0))) (= c_~var_1_9~0 (fp.add c_currentRoundingMode c_~var_1_11~0 c_~var_1_12~0)) (= (_ bv16 8) c_~last_1_var_1_31~0) (not (fp.eq c_~var_1_12~0 c_~last_1_var_1_22~0)) (bvsge ((_ zero_extend 24) c_~var_1_20~0) (_ bv1 32)) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2023-12-23 23:53:14,054 WARN L876 $PredicateComparison]: unable to prove that (and (fp.eq c_~var_1_11~0 c_~var_1_12~0) (not (bvslt (bvsdiv c_~var_1_16~0 c_~var_1_17~0) (_ bv16 32))) (fp.lt c_~last_1_var_1_9~0 (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 2.0)) c_~var_1_29~0) c_~var_1_10~0)) (let ((.cse6 (bvadd ((_ zero_extend 24) c_~var_1_32~0) (bvneg ((_ sign_extend 24) c_~var_1_8~0)) (_ bv64 32))) (.cse4 ((_ zero_extend 24) c_~var_1_34~0))) (let ((.cse0 (bvslt .cse6 .cse4)) (.cse1 (= ((_ extract 7 0) .cse6) c_~var_1_31~0))) (or (and .cse0 .cse1) (and (not .cse0) (let ((.cse3 (bvadd ((_ sign_extend 24) c_~var_1_28~0) ((_ zero_extend 24) c_~var_1_33~0)))) (let ((.cse5 (bvslt .cse6 .cse3))) (or (and (let ((.cse2 (bvsgt .cse3 .cse4))) (or (and .cse2 (= c_~var_1_31~0 ((_ extract 7 0) .cse3))) (and (= ((_ extract 7 0) .cse4) c_~var_1_31~0) (not .cse2)))) (not .cse5)) (and .cse5 .cse1)))))))) (= c_~var_1_26~0 (_ bv16 16)) (= c_~var_1_29~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 509.0 4.0))) (= c_~var_1_9~0 (fp.add c_currentRoundingMode c_~var_1_11~0 c_~var_1_12~0)) (= (_ bv16 8) c_~last_1_var_1_31~0) (not (fp.eq c_~var_1_12~0 c_~last_1_var_1_22~0)) (bvsge ((_ zero_extend 24) c_~var_1_20~0) (_ bv1 32)) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2023-12-23 23:53:23,014 WARN L293 SmtUtils]: Spent 8.94s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:53:31,904 WARN L293 SmtUtils]: Spent 8.89s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:53:37,981 WARN L293 SmtUtils]: Spent 6.08s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:53:46,934 WARN L293 SmtUtils]: Spent 8.95s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:53:55,842 WARN L293 SmtUtils]: Spent 8.91s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:54:04,767 WARN L293 SmtUtils]: Spent 8.92s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:54:13,694 WARN L293 SmtUtils]: Spent 8.93s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:54:22,605 WARN L293 SmtUtils]: Spent 8.91s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:54:29,513 WARN L293 SmtUtils]: Spent 6.91s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:54:35,396 WARN L293 SmtUtils]: Spent 5.88s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:54:44,326 WARN L293 SmtUtils]: Spent 8.93s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:54:53,321 WARN L293 SmtUtils]: Spent 8.99s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:55:02,313 WARN L293 SmtUtils]: Spent 8.99s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:55:11,302 WARN L293 SmtUtils]: Spent 8.99s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:55:20,211 WARN L293 SmtUtils]: Spent 8.91s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:55:29,210 WARN L293 SmtUtils]: Spent 9.00s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:55:35,689 WARN L293 SmtUtils]: Spent 6.48s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:55:44,709 WARN L293 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:55:53,245 WARN L293 SmtUtils]: Spent 8.53s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:56:02,154 WARN L293 SmtUtils]: Spent 8.91s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:56:11,141 WARN L293 SmtUtils]: Spent 8.97s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:56:20,097 WARN L293 SmtUtils]: Spent 8.95s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:56:29,078 WARN L293 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:56:38,013 WARN L293 SmtUtils]: Spent 8.93s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:56:46,982 WARN L293 SmtUtils]: Spent 8.97s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:56:55,950 WARN L293 SmtUtils]: Spent 8.97s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:57:04,884 WARN L293 SmtUtils]: Spent 8.93s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:57:13,805 WARN L293 SmtUtils]: Spent 8.92s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:57:22,737 WARN L293 SmtUtils]: Spent 8.93s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:57:31,734 WARN L293 SmtUtils]: Spent 9.00s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:57:40,693 WARN L293 SmtUtils]: Spent 8.96s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:57:49,621 WARN L293 SmtUtils]: Spent 8.93s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:57:58,548 WARN L293 SmtUtils]: Spent 8.93s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:58:07,549 WARN L293 SmtUtils]: Spent 9.00s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:58:16,489 WARN L293 SmtUtils]: Spent 8.94s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:58:24,650 WARN L293 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:58:33,620 WARN L293 SmtUtils]: Spent 8.97s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:58:42,552 WARN L293 SmtUtils]: Spent 8.93s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:58:51,518 WARN L293 SmtUtils]: Spent 8.97s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:59:00,065 WARN L293 SmtUtils]: Spent 8.55s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:59:09,010 WARN L293 SmtUtils]: Spent 8.94s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:59:13,278 WARN L854 $PredicateComparison]: unable to prove that (and (fp.eq c_~var_1_11~0 c_~var_1_12~0) (not (bvslt (bvsdiv c_~var_1_16~0 c_~var_1_17~0) (_ bv16 32))) (fp.lt c_~last_1_var_1_9~0 (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 2.0)) c_~var_1_29~0) c_~var_1_10~0)) (let ((.cse6 (bvadd ((_ zero_extend 24) c_~var_1_32~0) (bvneg ((_ sign_extend 24) c_~var_1_8~0)) (_ bv64 32))) (.cse4 ((_ zero_extend 24) c_~var_1_34~0))) (let ((.cse0 (bvslt .cse6 .cse4)) (.cse1 (= ((_ extract 7 0) .cse6) c_~var_1_31~0))) (or (and .cse0 .cse1) (and (not .cse0) (let ((.cse3 (bvadd ((_ sign_extend 24) c_~var_1_28~0) ((_ zero_extend 24) c_~var_1_33~0)))) (let ((.cse5 (bvslt .cse6 .cse3))) (or (and (let ((.cse2 (bvsgt .cse3 .cse4))) (or (and .cse2 (= c_~var_1_31~0 ((_ extract 7 0) .cse3))) (and (= ((_ extract 7 0) .cse4) c_~var_1_31~0) (not .cse2)))) (not .cse5)) (and .cse5 .cse1)))))))) (= c_~var_1_15~0 c_~var_1_8~0) (= c_~var_1_26~0 (_ bv16 16)) (= c_~var_1_29~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 509.0 4.0))) (= c_~var_1_9~0 (fp.add c_currentRoundingMode c_~var_1_11~0 c_~var_1_12~0)) (= (_ bv16 8) c_~last_1_var_1_31~0) (not (fp.eq c_~var_1_12~0 c_~last_1_var_1_22~0)) (bvsge ((_ zero_extend 24) c_~var_1_20~0) (_ bv1 32)) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2023-12-23 23:59:17,544 WARN L876 $PredicateComparison]: unable to prove that (and (fp.eq c_~var_1_11~0 c_~var_1_12~0) (not (bvslt (bvsdiv c_~var_1_16~0 c_~var_1_17~0) (_ bv16 32))) (fp.lt c_~last_1_var_1_9~0 (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 2.0)) c_~var_1_29~0) c_~var_1_10~0)) (let ((.cse6 (bvadd ((_ zero_extend 24) c_~var_1_32~0) (bvneg ((_ sign_extend 24) c_~var_1_8~0)) (_ bv64 32))) (.cse4 ((_ zero_extend 24) c_~var_1_34~0))) (let ((.cse0 (bvslt .cse6 .cse4)) (.cse1 (= ((_ extract 7 0) .cse6) c_~var_1_31~0))) (or (and .cse0 .cse1) (and (not .cse0) (let ((.cse3 (bvadd ((_ sign_extend 24) c_~var_1_28~0) ((_ zero_extend 24) c_~var_1_33~0)))) (let ((.cse5 (bvslt .cse6 .cse3))) (or (and (let ((.cse2 (bvsgt .cse3 .cse4))) (or (and .cse2 (= c_~var_1_31~0 ((_ extract 7 0) .cse3))) (and (= ((_ extract 7 0) .cse4) c_~var_1_31~0) (not .cse2)))) (not .cse5)) (and .cse5 .cse1)))))))) (= c_~var_1_15~0 c_~var_1_8~0) (= c_~var_1_26~0 (_ bv16 16)) (= c_~var_1_29~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 509.0 4.0))) (= c_~var_1_9~0 (fp.add c_currentRoundingMode c_~var_1_11~0 c_~var_1_12~0)) (= (_ bv16 8) c_~last_1_var_1_31~0) (not (fp.eq c_~var_1_12~0 c_~last_1_var_1_22~0)) (bvsge ((_ zero_extend 24) c_~var_1_20~0) (_ bv1 32)) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2023-12-23 23:59:26,507 WARN L293 SmtUtils]: Spent 8.94s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:59:35,466 WARN L293 SmtUtils]: Spent 8.96s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:59:44,429 WARN L293 SmtUtils]: Spent 8.96s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 23:59:53,341 WARN L293 SmtUtils]: Spent 8.91s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 00:00:02,278 WARN L293 SmtUtils]: Spent 8.94s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 00:00:11,354 WARN L293 SmtUtils]: Spent 9.07s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 00:00:20,480 WARN L293 SmtUtils]: Spent 9.12s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 00:00:29,585 WARN L293 SmtUtils]: Spent 9.10s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 00:00:38,601 WARN L293 SmtUtils]: Spent 9.01s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 00:00:47,705 WARN L293 SmtUtils]: Spent 9.10s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 00:00:56,790 WARN L293 SmtUtils]: Spent 9.08s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 00:01:05,901 WARN L293 SmtUtils]: Spent 9.11s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 00:01:14,924 WARN L293 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 00:01:23,945 WARN L293 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 00:01:33,045 WARN L293 SmtUtils]: Spent 9.10s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 00:01:42,272 WARN L293 SmtUtils]: Spent 9.23s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 00:01:51,521 WARN L293 SmtUtils]: Spent 9.25s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 00:02:00,682 WARN L293 SmtUtils]: Spent 9.16s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 00:02:09,849 WARN L293 SmtUtils]: Spent 9.17s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 00:02:19,071 WARN L293 SmtUtils]: Spent 9.22s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 00:02:27,751 WARN L293 SmtUtils]: Spent 8.68s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 00:02:36,943 WARN L293 SmtUtils]: Spent 9.19s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 00:02:41,269 WARN L854 $PredicateComparison]: unable to prove that (and (fp.eq c_~var_1_11~0 c_~var_1_12~0) (not (bvslt (bvsdiv c_~var_1_16~0 c_~var_1_17~0) (_ bv16 32))) (fp.lt c_~last_1_var_1_9~0 (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 2.0)) c_~var_1_29~0) c_~var_1_10~0)) (= c_~var_1_7~0 (_ bv0 8)) (let ((.cse6 (bvadd ((_ zero_extend 24) c_~var_1_32~0) (bvneg ((_ sign_extend 24) c_~var_1_8~0)) (_ bv64 32))) (.cse4 ((_ zero_extend 24) c_~var_1_34~0))) (let ((.cse0 (bvslt .cse6 .cse4)) (.cse1 (= ((_ extract 7 0) .cse6) c_~var_1_31~0))) (or (and .cse0 .cse1) (and (not .cse0) (let ((.cse3 (bvadd ((_ sign_extend 24) c_~var_1_28~0) ((_ zero_extend 24) c_~var_1_33~0)))) (let ((.cse5 (bvslt .cse6 .cse3))) (or (and (let ((.cse2 (bvsgt .cse3 .cse4))) (or (and .cse2 (= c_~var_1_31~0 ((_ extract 7 0) .cse3))) (and (= ((_ extract 7 0) .cse4) c_~var_1_31~0) (not .cse2)))) (not .cse5)) (and .cse5 .cse1)))))))) (= c_~var_1_15~0 c_~var_1_8~0) (= c_~var_1_26~0 (_ bv16 16)) (= c_~var_1_29~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 509.0 4.0))) (= c_~var_1_9~0 (fp.add c_currentRoundingMode c_~var_1_11~0 c_~var_1_12~0)) (= (_ bv16 8) c_~last_1_var_1_31~0) (not (fp.eq c_~var_1_12~0 c_~last_1_var_1_22~0)) (bvsge ((_ zero_extend 24) c_~var_1_20~0) (_ bv1 32)) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2023-12-24 00:02:45,579 WARN L876 $PredicateComparison]: unable to prove that (and (fp.eq c_~var_1_11~0 c_~var_1_12~0) (not (bvslt (bvsdiv c_~var_1_16~0 c_~var_1_17~0) (_ bv16 32))) (fp.lt c_~last_1_var_1_9~0 (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 21.0 2.0)) c_~var_1_29~0) c_~var_1_10~0)) (= c_~var_1_7~0 (_ bv0 8)) (let ((.cse6 (bvadd ((_ zero_extend 24) c_~var_1_32~0) (bvneg ((_ sign_extend 24) c_~var_1_8~0)) (_ bv64 32))) (.cse4 ((_ zero_extend 24) c_~var_1_34~0))) (let ((.cse0 (bvslt .cse6 .cse4)) (.cse1 (= ((_ extract 7 0) .cse6) c_~var_1_31~0))) (or (and .cse0 .cse1) (and (not .cse0) (let ((.cse3 (bvadd ((_ sign_extend 24) c_~var_1_28~0) ((_ zero_extend 24) c_~var_1_33~0)))) (let ((.cse5 (bvslt .cse6 .cse3))) (or (and (let ((.cse2 (bvsgt .cse3 .cse4))) (or (and .cse2 (= c_~var_1_31~0 ((_ extract 7 0) .cse3))) (and (= ((_ extract 7 0) .cse4) c_~var_1_31~0) (not .cse2)))) (not .cse5)) (and .cse5 .cse1)))))))) (= c_~var_1_15~0 c_~var_1_8~0) (= c_~var_1_26~0 (_ bv16 16)) (= c_~var_1_29~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 509.0 4.0))) (= c_~var_1_9~0 (fp.add c_currentRoundingMode c_~var_1_11~0 c_~var_1_12~0)) (= (_ bv16 8) c_~last_1_var_1_31~0) (not (fp.eq c_~var_1_12~0 c_~last_1_var_1_22~0)) (bvsge ((_ zero_extend 24) c_~var_1_20~0) (_ bv1 32)) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2023-12-24 00:02:54,701 WARN L293 SmtUtils]: Spent 9.10s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 00:03:03,727 WARN L293 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2023-12-24 00:03:11,845 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-24 00:03:11,889 WARN L340 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)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-24 00:03:12,833 WARN L293 SmtUtils]: Spent 9.10s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 00:03:12,839 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-24 00:03:12,939 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 [2023-12-24 00:03:13,046 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-12-24 00:03:13,046 WARN L477 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 [2023-12-24 00:03:13,047 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 201 with TraceHistMax 32,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-14-2-2-2-2-2-1 context. [2023-12-24 00:03:13,058 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-24 00:03:13,060 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-24 00:03:13,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.12 12:03:13 BoogieIcfgContainer [2023-12-24 00:03:13,062 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-24 00:03:13,063 INFO L158 Benchmark]: Toolchain (without parser) took 886469.33ms. Allocated memory is still 304.1MB. Free memory was 250.4MB in the beginning and 160.3MB in the end (delta: 90.1MB). Peak memory consumption was 90.9MB. Max. memory is 8.0GB. [2023-12-24 00:03:13,063 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 230.7MB. Free memory is still 180.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-24 00:03:13,063 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.64ms. Allocated memory is still 304.1MB. Free memory was 250.4MB in the beginning and 233.3MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-24 00:03:13,063 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.18ms. Allocated memory is still 304.1MB. Free memory was 233.3MB in the beginning and 230.5MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-24 00:03:13,064 INFO L158 Benchmark]: Boogie Preprocessor took 74.12ms. Allocated memory is still 304.1MB. Free memory was 230.5MB in the beginning and 226.0MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-24 00:03:13,064 INFO L158 Benchmark]: RCFGBuilder took 23235.35ms. Allocated memory is still 304.1MB. Free memory was 226.0MB in the beginning and 265.4MB in the end (delta: -39.4MB). Peak memory consumption was 31.9MB. Max. memory is 8.0GB. [2023-12-24 00:03:13,064 INFO L158 Benchmark]: TraceAbstraction took 862819.62ms. Allocated memory is still 304.1MB. Free memory was 264.4MB in the beginning and 160.3MB in the end (delta: 104.1MB). Peak memory consumption was 104.1MB. Max. memory is 8.0GB. [2023-12-24 00:03:13,065 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 230.7MB. Free memory is still 180.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 289.64ms. Allocated memory is still 304.1MB. Free memory was 250.4MB in the beginning and 233.3MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.18ms. Allocated memory is still 304.1MB. Free memory was 233.3MB in the beginning and 230.5MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 74.12ms. Allocated memory is still 304.1MB. Free memory was 230.5MB in the beginning and 226.0MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 23235.35ms. Allocated memory is still 304.1MB. Free memory was 226.0MB in the beginning and 265.4MB in the end (delta: -39.4MB). Peak memory consumption was 31.9MB. Max. memory is 8.0GB. * TraceAbstraction took 862819.62ms. Allocated memory is still 304.1MB. Free memory was 264.4MB in the beginning and 160.3MB in the end (delta: 104.1MB). Peak memory consumption was 104.1MB. Max. memory is 8.0GB. * 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 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 201 with TraceHistMax 32,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-14-2-2-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 91 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 862.8s, OverallIterations: 4, TraceHistogramMax: 32, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 43.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8 mSolverCounterUnknown, 350 SdHoareTripleChecker+Valid, 41.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 332 mSDsluCounter, 730 SdHoareTripleChecker+Invalid, 40.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 246 mSDsCounter, 86 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 197 IncrementalHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 86 mSolverCounterUnsat, 484 mSDtfsCounter, 197 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 797 GetRequests, 786 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=3, InterpolantAutomatonStates: 13, 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, 3 MinimizatonAttempts, 87 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 6.0s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 598 NumberOfCodeBlocks, 598 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 793 ConstructedInterpolants, 0 QuantifiedInterpolants, 1122 SizeOfPredicates, 1 NumberOfNonLiveVariables, 986 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 7858/7936 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown