/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_fillercode_fillercodestructure_filler-ps-ci_file-57.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 14:25:46,992 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 14:25:47,076 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 14:25:47,081 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 14:25:47,082 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 14:25:47,111 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 14:25:47,112 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 14:25:47,113 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 14:25:47,113 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 14:25:47,117 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 14:25:47,117 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 14:25:47,118 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 14:25:47,118 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 14:25:47,119 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 14:25:47,119 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 14:25:47,120 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 14:25:47,120 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 14:25:47,120 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 14:25:47,120 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 14:25:47,121 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 14:25:47,121 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 14:25:47,121 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 14:25:47,121 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 14:25:47,122 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 14:25:47,122 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 14:25:47,122 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 14:25:47,122 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 14:25:47,122 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 14:25:47,123 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 14:25:47,123 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 14:25:47,124 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 14:25:47,124 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 14:25:47,124 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 14:25:47,124 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 14:25:47,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 14:25:47,124 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 14:25:47,125 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 14:25:47,125 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 14:25:47,125 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 14:25:47,125 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 14:25:47,125 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 14:25:47,126 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 14:25:47,126 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 14:25:47,126 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 14:25:47,126 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 14:25:47,126 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 14:25:47,126 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 14:25:47,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 14:25:47,346 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 14:25:47,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 14:25:47,349 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 14:25:47,349 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 14:25:47,350 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-57.i [2023-12-23 14:25:48,572 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 14:25:48,771 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 14:25:48,771 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-57.i [2023-12-23 14:25:48,785 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a65fc1c45/bf7218c5f4f543d4a50923d516d003ac/FLAG5572253bb [2023-12-23 14:25:48,797 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a65fc1c45/bf7218c5f4f543d4a50923d516d003ac [2023-12-23 14:25:48,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 14:25:48,801 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 14:25:48,802 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 14:25:48,802 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 14:25:48,807 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 14:25:48,807 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 02:25:48" (1/1) ... [2023-12-23 14:25:48,808 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31f5f239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:25:48, skipping insertion in model container [2023-12-23 14:25:48,809 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 02:25:48" (1/1) ... [2023-12-23 14:25:48,857 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 14:25:49,003 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_fillercode_fillercodestructure_filler-ps-ci_file-57.i[919,932] [2023-12-23 14:25:49,061 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 14:25:49,077 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 14:25:49,087 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_fillercode_fillercodestructure_filler-ps-ci_file-57.i[919,932] [2023-12-23 14:25:49,146 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 14:25:49,164 INFO L206 MainTranslator]: Completed translation [2023-12-23 14:25:49,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:25:49 WrapperNode [2023-12-23 14:25:49,165 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 14:25:49,166 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 14:25:49,166 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 14:25:49,166 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 14:25:49,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:25:49" (1/1) ... [2023-12-23 14:25:49,182 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:25:49" (1/1) ... [2023-12-23 14:25:49,215 INFO L138 Inliner]: procedures = 27, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 197 [2023-12-23 14:25:49,215 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 14:25:49,216 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 14:25:49,216 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 14:25:49,216 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 14:25:49,226 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:25:49" (1/1) ... [2023-12-23 14:25:49,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:25:49" (1/1) ... [2023-12-23 14:25:49,231 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:25:49" (1/1) ... [2023-12-23 14:25:49,246 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 14:25:49,246 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:25:49" (1/1) ... [2023-12-23 14:25:49,246 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:25:49" (1/1) ... [2023-12-23 14:25:49,258 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:25:49" (1/1) ... [2023-12-23 14:25:49,264 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:25:49" (1/1) ... [2023-12-23 14:25:49,268 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:25:49" (1/1) ... [2023-12-23 14:25:49,270 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:25:49" (1/1) ... [2023-12-23 14:25:49,275 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 14:25:49,276 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 14:25:49,276 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 14:25:49,276 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 14:25:49,277 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:25:49" (1/1) ... [2023-12-23 14:25:49,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 14:25:49,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 14:25:49,321 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 14:25:49,344 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 14:25:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 14:25:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 14:25:49,352 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 14:25:49,354 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 14:25:49,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 14:25:49,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 14:25:49,466 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 14:25:49,468 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 14:26:06,449 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 14:26:06,485 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 14:26:06,486 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 14:26:06,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 02:26:06 BoogieIcfgContainer [2023-12-23 14:26:06,486 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 14:26:06,488 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 14:26:06,489 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 14:26:06,491 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 14:26:06,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 02:25:48" (1/3) ... [2023-12-23 14:26:06,492 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b31e745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 02:26:06, skipping insertion in model container [2023-12-23 14:26:06,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 02:25:49" (2/3) ... [2023-12-23 14:26:06,492 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b31e745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 02:26:06, skipping insertion in model container [2023-12-23 14:26:06,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 02:26:06" (3/3) ... [2023-12-23 14:26:06,493 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-57.i [2023-12-23 14:26:06,511 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 14:26:06,512 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 14:26:06,555 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 14:26:06,560 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;@19b6c87a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 14:26:06,561 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 14:26:06,564 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 50 states have (on average 1.46) internal successors, (73), 51 states have internal predecessors, (73), 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 14:26:06,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-12-23 14:26:06,579 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 14:26:06,579 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] [2023-12-23 14:26:06,580 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 14:26:06,584 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 14:26:06,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1527261431, now seen corresponding path program 1 times [2023-12-23 14:26:06,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 14:26:06,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [611115509] [2023-12-23 14:26:06,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 14:26:06,596 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 14:26:06,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 14:26:06,598 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 14:26:06,599 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 14:26:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 14:26:07,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 14:26:07,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 14:26:07,894 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 14:26:07,895 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 14:26:07,895 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 14:26:07,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [611115509] [2023-12-23 14:26:07,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [611115509] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 14:26:07,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 14:26:07,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 14:26:07,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588839141] [2023-12-23 14:26:07,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 14:26:07,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 14:26:07,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 14:26:07,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 14:26:07,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 14:26:07,928 INFO L87 Difference]: Start difference. First operand has 85 states, 50 states have (on average 1.46) internal successors, (73), 51 states have internal predecessors, (73), 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 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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 14:26:12,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:26:12,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 14:26:12,157 INFO L93 Difference]: Finished difference Result 166 states and 302 transitions. [2023-12-23 14:26:12,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 14:26:12,212 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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 198 [2023-12-23 14:26:12,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 14:26:12,218 INFO L225 Difference]: With dead ends: 166 [2023-12-23 14:26:12,218 INFO L226 Difference]: Without dead ends: 82 [2023-12-23 14:26:12,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 197 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 14:26:12,224 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-12-23 14:26:12,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2023-12-23 14:26:12,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-12-23 14:26:12,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2023-12-23 14:26:12,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 48 states have (on average 1.3541666666666667) internal successors, (65), 48 states have internal predecessors, (65), 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 14:26:12,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 129 transitions. [2023-12-23 14:26:12,261 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 129 transitions. Word has length 198 [2023-12-23 14:26:12,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 14:26:12,261 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 129 transitions. [2023-12-23 14:26:12,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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 14:26:12,262 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 129 transitions. [2023-12-23 14:26:12,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-12-23 14:26:12,266 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 14:26:12,266 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] [2023-12-23 14:26:12,298 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 (2)] Forceful destruction successful, exit code 0 [2023-12-23 14:26:12,476 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 14:26:12,477 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 14:26:12,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 14:26:12,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1980465793, now seen corresponding path program 1 times [2023-12-23 14:26:12,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 14:26:12,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [604341820] [2023-12-23 14:26:12,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 14:26:12,482 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 14:26:12,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 14:26:12,483 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 14:26:12,492 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 14:26:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 14:26:13,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-23 14:26:13,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 14:26:15,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 1011 proven. 51 refuted. 0 times theorem prover too weak. 922 trivial. 0 not checked. [2023-12-23 14:26:15,843 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 14:26:16,485 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 14:26:16,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [604341820] [2023-12-23 14:26:16,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [604341820] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-23 14:26:16,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [295073948] [2023-12-23 14:26:16,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 14:26:16,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-23 14:26:16,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-23 14:26:16,526 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-23 14:26:16,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-23 14:26:20,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 14:26:20,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-23 14:26:20,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 14:26:22,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 1011 proven. 51 refuted. 0 times theorem prover too weak. 922 trivial. 0 not checked. [2023-12-23 14:26:22,302 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 14:26:22,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [295073948] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-23 14:26:22,574 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 14:26:22,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2023-12-23 14:26:22,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374188118] [2023-12-23 14:26:22,575 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 14:26:22,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-23 14:26:22,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 14:26:22,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-23 14:26:22,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-23 14:26:22,578 INFO L87 Difference]: Start difference. First operand 82 states and 129 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-23 14:26:28,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.79s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 14:26:28,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 14:26:28,594 INFO L93 Difference]: Finished difference Result 169 states and 262 transitions. [2023-12-23 14:26:28,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-23 14:26:28,651 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 198 [2023-12-23 14:26:28,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 14:26:28,654 INFO L225 Difference]: With dead ends: 169 [2023-12-23 14:26:28,654 INFO L226 Difference]: Without dead ends: 88 [2023-12-23 14:26:28,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 439 GetRequests, 431 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-12-23 14:26:28,656 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 67 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2023-12-23 14:26:28,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 189 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2023-12-23 14:26:28,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-12-23 14:26:28,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 86. [2023-12-23 14:26:28,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 51 states have (on average 1.3137254901960784) internal successors, (67), 51 states have internal predecessors, (67), 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 14:26:28,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 131 transitions. [2023-12-23 14:26:28,680 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 131 transitions. Word has length 198 [2023-12-23 14:26:28,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 14:26:28,682 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 131 transitions. [2023-12-23 14:26:28,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2023-12-23 14:26:28,683 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 131 transitions. [2023-12-23 14:26:28,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-12-23 14:26:28,690 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 14:26:28,690 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 14:26:28,706 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-23 14:26:28,916 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 (3)] Forceful destruction successful, exit code 0 [2023-12-23 14:26:29,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,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 14:26:29,091 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 14:26:29,092 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 14:26:29,092 INFO L85 PathProgramCache]: Analyzing trace with hash 2067346838, now seen corresponding path program 1 times [2023-12-23 14:26:29,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 14:26:29,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1575438763] [2023-12-23 14:26:29,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 14:26:29,093 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 14:26:29,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 14:26:29,095 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 14:26:29,097 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 14:26:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 14:26:30,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-23 14:26:30,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 14:28:37,564 WARN L293 SmtUtils]: Spent 6.22s 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 14:28:43,443 WARN L293 SmtUtils]: Spent 5.88s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:28:50,731 WARN L293 SmtUtils]: Spent 7.29s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:28:57,315 WARN L293 SmtUtils]: Spent 6.58s 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 14:29:04,975 WARN L293 SmtUtils]: Spent 7.66s 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 14:29:12,918 WARN L293 SmtUtils]: Spent 7.94s 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 14:29:18,870 WARN L293 SmtUtils]: Spent 5.95s 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 14:29:25,402 WARN L293 SmtUtils]: Spent 6.53s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:29:33,481 WARN L293 SmtUtils]: Spent 8.08s 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 14:29:39,915 WARN L293 SmtUtils]: Spent 6.43s 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 14:29:47,150 WARN L293 SmtUtils]: Spent 7.23s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:29:53,558 WARN L293 SmtUtils]: Spent 6.41s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:30:00,787 WARN L293 SmtUtils]: Spent 7.23s 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) [2023-12-23 14:30:08,874 WARN L293 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:30:16,994 WARN L293 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:30:25,080 WARN L293 SmtUtils]: Spent 8.09s 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 14:30:33,217 WARN L293 SmtUtils]: Spent 8.14s 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 14:30:38,460 WARN L293 SmtUtils]: Spent 5.24s 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 14:30:45,754 WARN L293 SmtUtils]: Spent 7.29s 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 14:30:52,755 WARN L293 SmtUtils]: Spent 7.00s 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 14:30:59,008 WARN L293 SmtUtils]: Spent 6.25s 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 14:31:07,144 WARN L293 SmtUtils]: Spent 8.13s 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 14:31:15,263 WARN L293 SmtUtils]: Spent 8.12s 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 14:31:23,357 WARN L293 SmtUtils]: Spent 8.09s 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 14:31:31,446 WARN L293 SmtUtils]: Spent 8.09s 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 14:31:38,091 WARN L293 SmtUtils]: Spent 6.64s 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 14:31:46,190 WARN L293 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:31:54,302 WARN L293 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:31:58,363 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse8 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse9 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0)) (.cse10 ((_ to_fp 8 24) c_currentRoundingMode 1152921504606845700.0))) (let ((.cse2 ((_ to_fp 11 53) c_currentRoundingMode .cse10)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse10))) (.cse4 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse9))) (.cse5 ((_ to_fp 11 53) c_currentRoundingMode .cse9)) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode .cse8)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse8)))) (and (bvsge ((_ sign_extend 24) c_~var_1_3~0) (_ bv0 32)) (bvsle ((_ zero_extend 24) c_~var_1_18~0) (_ bv63 32)) (or (and (fp.geq c_~var_1_11~0 .cse0) (fp.leq c_~var_1_11~0 .cse1)) (and (fp.leq c_~var_1_11~0 .cse2) (fp.geq c_~var_1_11~0 .cse3))) (or (and (fp.leq c_~var_1_12~0 .cse2) (fp.geq c_~var_1_12~0 .cse3)) (and (fp.leq c_~var_1_12~0 .cse1) (fp.geq c_~var_1_12~0 .cse0))) (bvsge ((_ zero_extend 24) c_~var_1_14~0) (_ bv190 32)) (or (and (fp.geq c_~var_1_9~0 .cse4) (fp.leq c_~var_1_9~0 .cse1)) (and (fp.leq c_~var_1_9~0 .cse5) (fp.geq c_~var_1_9~0 .cse3))) (fp.lt c_~var_1_10~0 c_~var_1_8~0) (let ((.cse6 (fp.add c_currentRoundingMode c_~var_1_11~0 c_~var_1_12~0)) (.cse7 (fp.gt c_~var_1_9~0 c_~var_1_10~0))) (or (and (= c_~var_1_7~0 (fp.add c_currentRoundingMode c_~var_1_8~0 (fp.add c_currentRoundingMode c_~var_1_9~0 .cse6))) .cse7) (and (= c_~var_1_7~0 (fp.add c_currentRoundingMode c_~var_1_8~0 (fp.add c_currentRoundingMode c_~var_1_10~0 .cse6))) (not .cse7)))) (or (and (fp.leq c_~var_1_10~0 .cse1) (fp.geq c_~var_1_10~0 .cse4)) (and (fp.geq c_~var_1_10~0 .cse3) (fp.leq c_~var_1_10~0 .cse5))) (or (and (fp.geq c_~var_1_8~0 .cse3) (fp.leq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)))) (fp.leq c_~var_1_8~0 .cse1)) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2023-12-23 14:32:06,635 WARN L293 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:32:14,719 WARN L293 SmtUtils]: Spent 8.08s 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 14:32:22,825 WARN L293 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:32:30,980 WARN L293 SmtUtils]: Spent 8.15s 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 14:32:39,085 WARN L293 SmtUtils]: Spent 8.10s 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) [2023-12-23 14:32:47,206 WARN L293 SmtUtils]: Spent 8.12s 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 14:32:55,308 WARN L293 SmtUtils]: Spent 8.10s 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 14:33:03,447 WARN L293 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:33:11,568 WARN L293 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:33:19,728 WARN L293 SmtUtils]: Spent 8.16s 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 14:33:27,862 WARN L293 SmtUtils]: Spent 8.13s 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 14:33:35,949 WARN L293 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:33:43,180 WARN L293 SmtUtils]: Spent 7.23s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:33:51,329 WARN L293 SmtUtils]: Spent 8.15s 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 14:33:59,444 WARN L293 SmtUtils]: Spent 8.11s 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 14:34:07,419 WARN L293 SmtUtils]: Spent 7.97s 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 14:34:15,542 WARN L293 SmtUtils]: Spent 8.12s 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 14:34:22,766 WARN L293 SmtUtils]: Spent 7.22s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:34:30,922 WARN L293 SmtUtils]: Spent 8.16s 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 14:34:38,195 WARN L293 SmtUtils]: Spent 7.27s 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 14:34:46,785 WARN L293 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:34:54,887 WARN L293 SmtUtils]: Spent 8.10s 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) [2023-12-23 14:35:02,996 WARN L293 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:35:11,096 WARN L293 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:35:19,196 WARN L293 SmtUtils]: Spent 8.10s 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) [2023-12-23 14:35:27,321 WARN L293 SmtUtils]: Spent 8.12s 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 14:35:33,147 WARN L293 SmtUtils]: Spent 5.83s 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 14:35:40,842 WARN L293 SmtUtils]: Spent 7.69s 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 14:35:46,681 WARN L293 SmtUtils]: Spent 5.84s 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 14:35:53,484 WARN L293 SmtUtils]: Spent 6.80s 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 14:36:01,035 WARN L293 SmtUtils]: Spent 7.55s 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 14:36:07,776 WARN L293 SmtUtils]: Spent 6.74s 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 14:36:15,896 WARN L293 SmtUtils]: Spent 8.12s 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 14:36:23,289 WARN L293 SmtUtils]: Spent 7.39s 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 14:36:31,362 WARN L293 SmtUtils]: Spent 8.07s 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 14:36:38,567 WARN L293 SmtUtils]: Spent 7.20s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:36:46,669 WARN L293 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:36:54,779 WARN L293 SmtUtils]: Spent 8.11s 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 14:36:58,864 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse19 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse17 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0)) (.cse20 ((_ to_fp 8 24) c_currentRoundingMode 1152921504606845700.0))) (let ((.cse3 ((_ to_fp 11 53) c_currentRoundingMode .cse20)) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse20))) (.cse0 ((_ zero_extend 24) c_~var_1_18~0)) (.cse9 ((_ zero_extend 24) c_~var_1_14~0)) (.cse18 ((_ to_fp 11 53) c_currentRoundingMode .cse17)) (.cse4 ((_ to_fp 11 53) c_currentRoundingMode .cse19)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse19)))) (and (bvsge ((_ sign_extend 24) c_~var_1_3~0) (_ bv0 32)) (bvsle .cse0 (_ bv63 32)) (or (and (fp.geq c_~var_1_11~0 .cse1) (fp.leq c_~var_1_11~0 .cse2)) (and (fp.leq c_~var_1_11~0 .cse3) (fp.geq c_~var_1_11~0 .cse4))) (or (and (fp.leq c_~var_1_12~0 .cse3) (fp.geq c_~var_1_12~0 .cse4)) (and (fp.leq c_~var_1_12~0 .cse2) (fp.geq c_~var_1_12~0 .cse1))) (let ((.cse7 (bvneg ((_ zero_extend 24) c_~var_1_15~0))) (.cse10 ((_ zero_extend 24) c_~var_1_16~0))) (let ((.cse6 (bvsgt (bvadd .cse7 .cse9) .cse10)) (.cse13 ((_ zero_extend 24) c_~var_1_19~0))) (let ((.cse5 (bvsgt .cse0 .cse13)) (.cse11 (not .cse6)) (.cse12 ((_ zero_extend 24) c_~var_1_17~0))) (or (and (not .cse5) (let ((.cse8 (bvneg (bvadd .cse12 .cse13)))) (or (and .cse6 (= ((_ extract 7 0) (bvadd .cse7 .cse8 .cse9)) c_~var_1_13~0)) (and (= ((_ extract 7 0) (bvadd .cse8 .cse10)) c_~var_1_13~0) .cse11)))) (and .cse5 (let ((.cse14 (bvneg (bvadd .cse12 .cse0)))) (or (and .cse11 (= ((_ extract 7 0) (bvadd .cse10 .cse14)) c_~var_1_13~0)) (and (= c_~var_1_13~0 ((_ extract 7 0) (bvadd .cse7 .cse14 .cse9))) .cse6)))))))) (bvsge .cse9 (_ bv190 32)) (fp.leq c_~var_1_11~0 c_~var_1_9~0) (fp.lt c_~var_1_10~0 c_~var_1_8~0) (let ((.cse15 (fp.add c_currentRoundingMode c_~var_1_11~0 c_~var_1_12~0)) (.cse16 (fp.gt c_~var_1_9~0 c_~var_1_10~0))) (or (and (= c_~var_1_7~0 (fp.add c_currentRoundingMode c_~var_1_8~0 (fp.add c_currentRoundingMode c_~var_1_9~0 .cse15))) .cse16) (and (= c_~var_1_7~0 (fp.add c_currentRoundingMode c_~var_1_8~0 (fp.add c_currentRoundingMode c_~var_1_10~0 .cse15))) (not .cse16)))) (or (and (fp.leq c_~var_1_10~0 .cse2) (fp.geq c_~var_1_10~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse17)))) (and (fp.geq c_~var_1_10~0 .cse4) (fp.leq c_~var_1_10~0 .cse18))) (or (and (fp.leq c_~var_1_9~0 .cse18) (fp.geq c_~var_1_9~0 .cse4)) (fp.leq c_~var_1_9~0 .cse2)) (or (and (fp.geq c_~var_1_8~0 .cse4) (fp.leq c_~var_1_8~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0)))) (fp.leq c_~var_1_8~0 .cse2)) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from false [2023-12-23 14:37:07,112 WARN L293 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:37:15,241 WARN L293 SmtUtils]: Spent 8.13s 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 14:37:21,956 WARN L293 SmtUtils]: Spent 6.71s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:37:30,094 WARN L293 SmtUtils]: Spent 8.14s 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 14:37:38,232 WARN L293 SmtUtils]: Spent 8.14s 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 14:37:46,348 WARN L293 SmtUtils]: Spent 8.12s 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 14:37:53,883 WARN L293 SmtUtils]: Spent 7.53s 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 14:38:02,002 WARN L293 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:38:10,125 WARN L293 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:38:18,290 WARN L293 SmtUtils]: Spent 8.17s 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 14:38:26,431 WARN L293 SmtUtils]: Spent 8.14s 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 14:38:34,596 WARN L293 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:38:42,724 WARN L293 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:38:50,872 WARN L293 SmtUtils]: Spent 8.15s 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 14:38:58,998 WARN L293 SmtUtils]: Spent 8.13s 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 14:39:06,709 WARN L293 SmtUtils]: Spent 7.71s 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 14:39:14,869 WARN L293 SmtUtils]: Spent 8.16s 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 14:39:22,889 WARN L293 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:39:31,089 WARN L293 SmtUtils]: Spent 8.20s 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 14:39:39,218 WARN L293 SmtUtils]: Spent 8.13s 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 14:39:47,354 WARN L293 SmtUtils]: Spent 8.14s 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 14:39:55,513 WARN L293 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:40:03,642 WARN L293 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:40:11,790 WARN L293 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 14:40:19,149 WARN L293 SmtUtils]: Spent 7.36s 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) Received shutdown request... [2023-12-23 14:40:25,051 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 [2023-12-23 14:40:25,052 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 [2023-12-23 14:40:26,097 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 [2023-12-23 14:40:26,253 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 [2023-12-23 14:40:26,308 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 137 [2023-12-23 14:40:26,310 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-23 14:40:26,310 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 200 with TraceHistMax 32,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2023-12-23 14:40:26,313 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-23 14:40:26,315 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-23 14:40:26,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 02:40:26 BoogieIcfgContainer [2023-12-23 14:40:26,317 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-23 14:40:26,318 INFO L158 Benchmark]: Toolchain (without parser) took 877516.74ms. Allocated memory is still 314.6MB. Free memory was 264.6MB in the beginning and 255.9MB in the end (delta: 8.7MB). Peak memory consumption was 165.5MB. Max. memory is 8.0GB. [2023-12-23 14:40:26,318 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 194.0MB. Free memory is still 147.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-23 14:40:26,318 INFO L158 Benchmark]: CACSL2BoogieTranslator took 362.97ms. Allocated memory is still 314.6MB. Free memory was 264.4MB in the beginning and 248.4MB in the end (delta: 15.9MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-12-23 14:40:26,318 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.66ms. Allocated memory is still 314.6MB. Free memory was 248.2MB in the beginning and 245.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-23 14:40:26,319 INFO L158 Benchmark]: Boogie Preprocessor took 59.33ms. Allocated memory is still 314.6MB. Free memory was 245.8MB in the beginning and 241.9MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-23 14:40:26,319 INFO L158 Benchmark]: RCFGBuilder took 17210.20ms. Allocated memory is still 314.6MB. Free memory was 241.9MB in the beginning and 269.9MB in the end (delta: -28.0MB). Peak memory consumption was 15.3MB. Max. memory is 8.0GB. [2023-12-23 14:40:26,319 INFO L158 Benchmark]: TraceAbstraction took 859828.80ms. Allocated memory is still 314.6MB. Free memory was 268.8MB in the beginning and 255.9MB in the end (delta: 12.9MB). Peak memory consumption was 170.2MB. Max. memory is 8.0GB. [2023-12-23 14:40:26,320 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 194.0MB. Free memory is still 147.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 362.97ms. Allocated memory is still 314.6MB. Free memory was 264.4MB in the beginning and 248.4MB in the end (delta: 15.9MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 49.66ms. Allocated memory is still 314.6MB. Free memory was 248.2MB in the beginning and 245.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 59.33ms. Allocated memory is still 314.6MB. Free memory was 245.8MB in the beginning and 241.9MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 17210.20ms. Allocated memory is still 314.6MB. Free memory was 241.9MB in the beginning and 269.9MB in the end (delta: -28.0MB). Peak memory consumption was 15.3MB. Max. memory is 8.0GB. * TraceAbstraction took 859828.80ms. Allocated memory is still 314.6MB. Free memory was 268.8MB in the beginning and 255.9MB in the end (delta: 12.9MB). Peak memory consumption was 170.2MB. 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 200 with TraceHistMax 32,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 859.8s, OverallIterations: 3, TraceHistogramMax: 32, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 81 SdHoareTripleChecker+Valid, 9.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 67 mSDsluCounter, 315 SdHoareTripleChecker+Invalid, 9.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 104 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 188 IncrementalHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 211 mSDtfsCounter, 188 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 636 GetRequests, 628 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred in iteration=2, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 6.3s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 594 NumberOfCodeBlocks, 594 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 591 ConstructedInterpolants, 0 QuantifiedInterpolants, 1189 SizeOfPredicates, 11 NumberOfNonLiveVariables, 963 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 5850/5952 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