/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-15.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 22:27:32,235 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 22:27:32,317 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 22:27:32,322 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 22:27:32,322 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 22:27:32,349 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 22:27:32,350 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 22:27:32,350 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 22:27:32,351 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 22:27:32,354 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 22:27:32,354 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 22:27:32,355 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 22:27:32,355 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 22:27:32,356 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 22:27:32,357 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 22:27:32,357 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 22:27:32,357 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 22:27:32,358 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 22:27:32,358 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 22:27:32,358 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 22:27:32,359 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 22:27:32,359 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 22:27:32,359 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 22:27:32,360 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 22:27:32,360 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 22:27:32,360 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 22:27:32,360 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 22:27:32,360 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 22:27:32,361 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 22:27:32,361 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 22:27:32,362 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 22:27:32,362 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 22:27:32,362 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 22:27:32,362 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 22:27:32,362 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 22:27:32,362 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 22:27:32,362 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 22:27:32,363 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 22:27:32,363 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 22:27:32,363 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 22:27:32,363 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 22:27:32,363 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 22:27:32,363 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 22:27:32,364 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 22:27:32,364 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 22:27:32,364 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 22:27:32,364 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 22:27:32,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 22:27:32,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 22:27:32,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 22:27:32,599 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 22:27:32,599 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 22:27:32,600 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-15.i [2023-12-23 22:27:33,798 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 22:27:34,032 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 22:27:34,033 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-15.i [2023-12-23 22:27:34,043 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80453502d/c679e6ef9dfc4c83ad218a32fc7bed40/FLAGbc4c70364 [2023-12-23 22:27:34,057 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80453502d/c679e6ef9dfc4c83ad218a32fc7bed40 [2023-12-23 22:27:34,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 22:27:34,061 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 22:27:34,063 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 22:27:34,063 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 22:27:34,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 22:27:34,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 10:27:34" (1/1) ... [2023-12-23 22:27:34,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6584dcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:27:34, skipping insertion in model container [2023-12-23 22:27:34,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 10:27:34" (1/1) ... [2023-12-23 22:27:34,106 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 22:27:34,254 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-15.i[916,929] [2023-12-23 22:27:34,338 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 22:27:34,350 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 22:27:34,360 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-15.i[916,929] [2023-12-23 22:27:34,393 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 22:27:34,407 INFO L206 MainTranslator]: Completed translation [2023-12-23 22:27:34,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:27:34 WrapperNode [2023-12-23 22:27:34,408 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 22:27:34,409 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 22:27:34,409 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 22:27:34,409 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 22:27:34,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:27:34" (1/1) ... [2023-12-23 22:27:34,426 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:27:34" (1/1) ... [2023-12-23 22:27:34,453 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 196 [2023-12-23 22:27:34,454 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 22:27:34,454 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 22:27:34,455 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 22:27:34,455 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 22:27:34,464 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:27:34" (1/1) ... [2023-12-23 22:27:34,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:27:34" (1/1) ... [2023-12-23 22:27:34,468 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:27:34" (1/1) ... [2023-12-23 22:27:34,480 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 22:27:34,481 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:27:34" (1/1) ... [2023-12-23 22:27:34,481 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:27:34" (1/1) ... [2023-12-23 22:27:34,496 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:27:34" (1/1) ... [2023-12-23 22:27:34,498 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:27:34" (1/1) ... [2023-12-23 22:27:34,501 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:27:34" (1/1) ... [2023-12-23 22:27:34,502 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:27:34" (1/1) ... [2023-12-23 22:27:34,505 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 22:27:34,506 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 22:27:34,506 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 22:27:34,506 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 22:27:34,507 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:27:34" (1/1) ... [2023-12-23 22:27:34,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 22:27:34,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 22:27:34,543 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 22:27:34,570 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 22:27:34,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 22:27:34,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 22:27:34,577 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 22:27:34,578 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 22:27:34,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 22:27:34,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 22:27:34,694 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 22:27:34,697 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 22:27:52,089 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 22:27:52,160 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 22:27:52,161 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 22:27:52,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 10:27:52 BoogieIcfgContainer [2023-12-23 22:27:52,161 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 22:27:52,163 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 22:27:52,163 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 22:27:52,166 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 22:27:52,166 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 10:27:34" (1/3) ... [2023-12-23 22:27:52,167 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71ed1568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 10:27:52, skipping insertion in model container [2023-12-23 22:27:52,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 10:27:34" (2/3) ... [2023-12-23 22:27:52,167 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71ed1568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 10:27:52, skipping insertion in model container [2023-12-23 22:27:52,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 10:27:52" (3/3) ... [2023-12-23 22:27:52,168 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-15.i [2023-12-23 22:27:52,183 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 22:27:52,183 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 22:27:52,244 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 22:27:52,250 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;@489c356f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 22:27:52,250 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 22:27:52,254 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 51 states have (on average 1.4705882352941178) internal successors, (75), 52 states have internal predecessors, (75), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-23 22:27:52,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-12-23 22:27:52,265 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 22:27:52,266 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:27:52,267 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 22:27:52,270 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 22:27:52,270 INFO L85 PathProgramCache]: Analyzing trace with hash 998608108, now seen corresponding path program 1 times [2023-12-23 22:27:52,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 22:27:52,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [484781787] [2023-12-23 22:27:52,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 22:27:52,282 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 22:27:52,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 22:27:52,288 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 22:27:52,293 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 22:27:52,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 22:27:52,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 22:27:52,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 22:27:53,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 774 proven. 0 refuted. 0 times theorem prover too weak. 738 trivial. 0 not checked. [2023-12-23 22:27:53,016 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 22:27:53,017 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 22:27:53,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [484781787] [2023-12-23 22:27:53,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [484781787] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 22:27:53,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 22:27:53,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 22:27:53,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635356776] [2023-12-23 22:27:53,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 22:27:53,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 22:27:53,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 22:27:53,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 22:27:53,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 22:27:53,048 INFO L87 Difference]: Start difference. First operand has 82 states, 51 states have (on average 1.4705882352941178) internal successors, (75), 52 states have internal predecessors, (75), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-12-23 22:27:57,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 22:27:57,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 22:27:57,412 INFO L93 Difference]: Finished difference Result 161 states and 288 transitions. [2023-12-23 22:27:57,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 22:27:57,538 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 176 [2023-12-23 22:27:57,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 22:27:57,543 INFO L225 Difference]: With dead ends: 161 [2023-12-23 22:27:57,543 INFO L226 Difference]: Without dead ends: 80 [2023-12-23 22:27:57,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 175 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 22:27:57,548 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-12-23 22:27:57,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2023-12-23 22:27:57,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-12-23 22:27:57,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-12-23 22:27:57,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 50 states have (on average 1.4) internal successors, (70), 50 states have internal predecessors, (70), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-23 22:27:57,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 126 transitions. [2023-12-23 22:27:57,592 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 126 transitions. Word has length 176 [2023-12-23 22:27:57,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 22:27:57,592 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 126 transitions. [2023-12-23 22:27:57,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-12-23 22:27:57,592 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 126 transitions. [2023-12-23 22:27:57,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-12-23 22:27:57,596 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 22:27:57,596 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:27:57,617 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 22:27:57,797 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 22:27:57,797 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 22:27:57,798 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 22:27:57,798 INFO L85 PathProgramCache]: Analyzing trace with hash 2118418020, now seen corresponding path program 1 times [2023-12-23 22:27:57,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 22:27:57,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1225175218] [2023-12-23 22:27:57,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 22:27:57,800 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 22:27:57,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 22:27:57,801 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 22:27:57,806 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 22:27:58,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 22:27:58,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-23 22:27:58,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 22:27:58,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-12-23 22:27:58,589 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 22:27:58,589 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 22:27:58,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1225175218] [2023-12-23 22:27:58,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1225175218] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 22:27:58,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 22:27:58,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-23 22:27:58,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616774674] [2023-12-23 22:27:58,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 22:27:58,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-23 22:27:58,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 22:27:58,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-23 22:27:58,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 22:27:58,593 INFO L87 Difference]: Start difference. First operand 80 states and 126 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-12-23 22:28:03,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 22:28:07,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 22:28:11,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 22:28:11,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 22:28:11,892 INFO L93 Difference]: Finished difference Result 233 states and 366 transitions. [2023-12-23 22:28:11,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-23 22:28:11,902 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 176 [2023-12-23 22:28:11,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 22:28:11,905 INFO L225 Difference]: With dead ends: 233 [2023-12-23 22:28:11,905 INFO L226 Difference]: Without dead ends: 154 [2023-12-23 22:28:11,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 22:28:11,907 INFO L413 NwaCegarLoop]: 222 mSDtfsCounter, 109 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 6 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2023-12-23 22:28:11,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 331 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 17 Invalid, 3 Unknown, 0 Unchecked, 13.3s Time] [2023-12-23 22:28:11,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2023-12-23 22:28:11,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 97. [2023-12-23 22:28:11,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 67 states have (on average 1.4179104477611941) internal successors, (95), 67 states have internal predecessors, (95), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-23 22:28:11,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 151 transitions. [2023-12-23 22:28:11,925 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 151 transitions. Word has length 176 [2023-12-23 22:28:11,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 22:28:11,927 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 151 transitions. [2023-12-23 22:28:11,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-12-23 22:28:11,927 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 151 transitions. [2023-12-23 22:28:11,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-12-23 22:28:11,930 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 22:28:11,930 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:28:11,966 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 22:28:12,156 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 22:28:12,156 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 22:28:12,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 22:28:12,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1097349666, now seen corresponding path program 1 times [2023-12-23 22:28:12,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 22:28:12,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [433970713] [2023-12-23 22:28:12,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 22:28:12,159 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 22:28:12,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 22:28:12,160 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 22:28:12,164 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 22:28:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 22:28:13,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-23 22:28:13,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 22:30:01,118 WARN L293 SmtUtils]: Spent 5.90s 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 22:30:09,341 WARN L293 SmtUtils]: Spent 8.22s 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 22:30:20,648 WARN L293 SmtUtils]: Spent 8.27s 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 22:30:28,796 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 22:30:39,830 WARN L293 SmtUtils]: Spent 6.63s 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 22:30:47,819 WARN L293 SmtUtils]: Spent 7.99s 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 22:30:54,844 WARN L293 SmtUtils]: Spent 7.02s 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 22:31:02,110 WARN L293 SmtUtils]: Spent 7.26s 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 22:31:10,343 WARN L293 SmtUtils]: Spent 8.23s 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 22:31:16,418 WARN L293 SmtUtils]: Spent 6.07s 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 22:31:30,781 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 22:31:42,043 WARN L293 SmtUtils]: Spent 5.81s 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 22:32:04,295 WARN L293 SmtUtils]: Spent 8.25s 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 22:32:14,265 WARN L293 SmtUtils]: Spent 5.90s 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 22:32:19,440 WARN L293 SmtUtils]: Spent 5.17s 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 22:32:27,693 WARN L293 SmtUtils]: Spent 8.25s 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 22:32:35,888 WARN L293 SmtUtils]: Spent 8.19s 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 22:32:46,495 WARN L293 SmtUtils]: Spent 6.07s 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 22:32:54,693 WARN L293 SmtUtils]: Spent 8.20s 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 22:33:06,256 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 22:33:13,448 WARN L293 SmtUtils]: Spent 7.19s 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 22:33:17,536 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ zero_extend 16) c_~var_1_25~0)) (.cse2 ((_ sign_extend 16) (_ bv2 16))) (.cse3 ((_ zero_extend 24) c_~var_1_3~0)) (.cse6 ((_ zero_extend 24) c_~var_1_4~0))) (and (= c_~last_1_var_1_22~0 (_ bv0 8)) (let ((.cse1 (bvadd ((_ zero_extend 16) c_~var_1_24~0) (bvneg (bvadd (bvneg .cse3) .cse4)))) (.cse0 (bvsgt .cse2 c_~var_1_7~0))) (or (and (not .cse0) (not (bvsle .cse1 c_~var_1_7~0))) (and (not (bvsle .cse1 .cse2)) .cse0))) (= c_~var_1_23~0 (_ bv32 32)) (bvsle .cse4 (_ bv32767 32)) (bvsle .cse3 (_ bv64 32)) (let ((.cse5 (bvslt (_ bv32 32) .cse3))) (or (and (not .cse5) (= (bvadd .cse6 .cse3 (_ bv32 32)) c_~var_1_12~0)) (and .cse5 (= c_~var_1_12~0 (bvadd .cse6 (_ bv64 32)))))) (fp.gt c_~var_1_9~0 (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_26~0) c_~var_1_8~0)) (let ((.cse8 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse7 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq c_~var_1_10~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse7))) (fp.leq c_~var_1_10~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse8)))) (and (fp.geq c_~var_1_10~0 ((_ to_fp 11 53) c_currentRoundingMode .cse8)) (fp.leq c_~var_1_10~0 ((_ to_fp 11 53) c_currentRoundingMode .cse7))))) (= c_~var_1_4~0 c_~var_1_19~0) (= c_~var_1_22~0 (_ bv0 8)) (bvsle .cse6 (_ bv63 32)) (= c_~var_1_5~0 c_~var_1_10~0) (bvsle .cse6 (bvneg c_~var_1_6~0)) (= c_~var_1_1~0 (_ bv32 8)) (= c_~var_1_33~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_10~0)) (= c_~var_1_15~0 (_ bv2 16)) (bvsge .cse4 (_ bv16383 32)) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse9 (bvsgt .cse3 .cse6)) (.cse11 (= .cse2 c_~var_1_14~0))) (or (and .cse9 (let ((.cse10 (bvsgt .cse3 .cse2))) (or (and .cse10 (= .cse3 c_~var_1_14~0)) (and .cse11 (not .cse10))))) (and (not .cse9) (let ((.cse12 (bvsgt .cse6 .cse2))) (or (and (not .cse12) .cse11) (and .cse12 (= .cse6 c_~var_1_14~0))))))))) is different from false [2023-12-23 22:33:21,611 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ zero_extend 16) c_~var_1_25~0)) (.cse2 ((_ sign_extend 16) (_ bv2 16))) (.cse3 ((_ zero_extend 24) c_~var_1_3~0)) (.cse6 ((_ zero_extend 24) c_~var_1_4~0))) (and (= c_~last_1_var_1_22~0 (_ bv0 8)) (let ((.cse1 (bvadd ((_ zero_extend 16) c_~var_1_24~0) (bvneg (bvadd (bvneg .cse3) .cse4)))) (.cse0 (bvsgt .cse2 c_~var_1_7~0))) (or (and (not .cse0) (not (bvsle .cse1 c_~var_1_7~0))) (and (not (bvsle .cse1 .cse2)) .cse0))) (= c_~var_1_23~0 (_ bv32 32)) (bvsle .cse4 (_ bv32767 32)) (bvsle .cse3 (_ bv64 32)) (let ((.cse5 (bvslt (_ bv32 32) .cse3))) (or (and (not .cse5) (= (bvadd .cse6 .cse3 (_ bv32 32)) c_~var_1_12~0)) (and .cse5 (= c_~var_1_12~0 (bvadd .cse6 (_ bv64 32)))))) (fp.gt c_~var_1_9~0 (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_26~0) c_~var_1_8~0)) (let ((.cse8 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse7 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq c_~var_1_10~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse7))) (fp.leq c_~var_1_10~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse8)))) (and (fp.geq c_~var_1_10~0 ((_ to_fp 11 53) c_currentRoundingMode .cse8)) (fp.leq c_~var_1_10~0 ((_ to_fp 11 53) c_currentRoundingMode .cse7))))) (= c_~var_1_4~0 c_~var_1_19~0) (= c_~var_1_22~0 (_ bv0 8)) (bvsle .cse6 (_ bv63 32)) (= c_~var_1_5~0 c_~var_1_10~0) (bvsle .cse6 (bvneg c_~var_1_6~0)) (= c_~var_1_1~0 (_ bv32 8)) (= c_~var_1_33~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_10~0)) (= c_~var_1_15~0 (_ bv2 16)) (bvsge .cse4 (_ bv16383 32)) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse9 (bvsgt .cse3 .cse6)) (.cse11 (= .cse2 c_~var_1_14~0))) (or (and .cse9 (let ((.cse10 (bvsgt .cse3 .cse2))) (or (and .cse10 (= .cse3 c_~var_1_14~0)) (and .cse11 (not .cse10))))) (and (not .cse9) (let ((.cse12 (bvsgt .cse6 .cse2))) (or (and (not .cse12) .cse11) (and .cse12 (= .cse6 c_~var_1_14~0))))))))) is different from true [2023-12-23 22:33:31,027 WARN L293 SmtUtils]: Spent 6.75s 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 22:33:39,282 WARN L293 SmtUtils]: Spent 8.25s 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 22:33:47,482 WARN L293 SmtUtils]: Spent 8.20s 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 22:34:02,575 WARN L293 SmtUtils]: Spent 7.94s 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 22:34:13,965 WARN L293 SmtUtils]: Spent 6.87s 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 22:34:33,012 WARN L293 SmtUtils]: Spent 8.19s 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 22:34:45,898 WARN L293 SmtUtils]: Spent 8.26s 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 22:34:58,924 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 22:35:15,243 WARN L293 SmtUtils]: Spent 7.94s 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 22:35:23,484 WARN L293 SmtUtils]: Spent 8.24s 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 22:35:38,225 WARN L293 SmtUtils]: Spent 6.36s 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 22:35:44,495 WARN L293 SmtUtils]: Spent 6.27s 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 22:35:50,727 WARN L293 SmtUtils]: Spent 6.23s 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 22:35:58,983 WARN L293 SmtUtils]: Spent 8.26s 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 22:36:10,702 WARN L293 SmtUtils]: Spent 6.88s 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 22:36:27,702 WARN L293 SmtUtils]: Spent 6.13s 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 22:36:35,956 WARN L293 SmtUtils]: Spent 8.25s 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) [2023-12-23 22:36:48,225 WARN L293 SmtUtils]: Spent 8.24s 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 22:36:56,508 WARN L293 SmtUtils]: Spent 8.28s 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 22:37:04,812 WARN L293 SmtUtils]: Spent 8.30s 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 22:37:08,901 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ zero_extend 16) c_~var_1_25~0)) (.cse2 ((_ sign_extend 16) (_ bv2 16))) (.cse3 ((_ zero_extend 24) c_~var_1_3~0)) (.cse6 ((_ zero_extend 24) c_~var_1_4~0))) (and (= c_~last_1_var_1_22~0 (_ bv0 8)) (let ((.cse1 (bvadd ((_ zero_extend 16) c_~var_1_24~0) (bvneg (bvadd (bvneg .cse3) .cse4)))) (.cse0 (bvsgt .cse2 c_~var_1_7~0))) (or (and (not .cse0) (not (bvsle .cse1 c_~var_1_7~0))) (and (not (bvsle .cse1 .cse2)) .cse0))) (= c_~var_1_23~0 (_ bv32 32)) (bvsle .cse4 (_ bv32767 32)) (bvsle .cse3 (_ bv64 32)) (let ((.cse5 (bvslt (_ bv32 32) .cse3))) (or (and (not .cse5) (= (bvadd .cse6 .cse3 (_ bv32 32)) c_~var_1_12~0)) (and .cse5 (= c_~var_1_12~0 (bvadd .cse6 (_ bv64 32)))))) (fp.gt c_~var_1_9~0 (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_26~0) c_~var_1_8~0)) (let ((.cse8 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse7 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq c_~var_1_10~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse7))) (fp.leq c_~var_1_10~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse8)))) (and (fp.geq c_~var_1_10~0 ((_ to_fp 11 53) c_currentRoundingMode .cse8)) (fp.leq c_~var_1_10~0 ((_ to_fp 11 53) c_currentRoundingMode .cse7))))) (= c_~var_1_4~0 c_~var_1_19~0) (= c_~var_1_22~0 (_ bv0 8)) (bvsle .cse6 (_ bv63 32)) (= c_~var_1_5~0 c_~var_1_10~0) (bvsle .cse6 (bvneg c_~var_1_6~0)) (let ((.cse9 (bvslt (bvor .cse3 (_ bv5 32)) (bvshl .cse6 c_~var_1_18~0)))) (or (and .cse9 (= (_ bv1 8) |c_ULTIMATE.start_step_~stepLocal_2~0#1|)) (and (not .cse9) (= |c_ULTIMATE.start_step_~stepLocal_2~0#1| (_ bv0 8))))) (= c_~var_1_1~0 (_ bv32 8)) (= c_~var_1_33~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_10~0)) (= c_~var_1_15~0 (_ bv2 16)) (bvsge .cse4 (_ bv16383 32)) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse10 (bvsgt .cse3 .cse6)) (.cse12 (= .cse2 c_~var_1_14~0))) (or (and .cse10 (let ((.cse11 (bvsgt .cse3 .cse2))) (or (and .cse11 (= .cse3 c_~var_1_14~0)) (and .cse12 (not .cse11))))) (and (not .cse10) (let ((.cse13 (bvsgt .cse6 .cse2))) (or (and (not .cse13) .cse12) (and .cse13 (= .cse6 c_~var_1_14~0))))))))) is different from false [2023-12-23 22:37:12,969 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ zero_extend 16) c_~var_1_25~0)) (.cse2 ((_ sign_extend 16) (_ bv2 16))) (.cse3 ((_ zero_extend 24) c_~var_1_3~0)) (.cse6 ((_ zero_extend 24) c_~var_1_4~0))) (and (= c_~last_1_var_1_22~0 (_ bv0 8)) (let ((.cse1 (bvadd ((_ zero_extend 16) c_~var_1_24~0) (bvneg (bvadd (bvneg .cse3) .cse4)))) (.cse0 (bvsgt .cse2 c_~var_1_7~0))) (or (and (not .cse0) (not (bvsle .cse1 c_~var_1_7~0))) (and (not (bvsle .cse1 .cse2)) .cse0))) (= c_~var_1_23~0 (_ bv32 32)) (bvsle .cse4 (_ bv32767 32)) (bvsle .cse3 (_ bv64 32)) (let ((.cse5 (bvslt (_ bv32 32) .cse3))) (or (and (not .cse5) (= (bvadd .cse6 .cse3 (_ bv32 32)) c_~var_1_12~0)) (and .cse5 (= c_~var_1_12~0 (bvadd .cse6 (_ bv64 32)))))) (fp.gt c_~var_1_9~0 (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_26~0) c_~var_1_8~0)) (let ((.cse8 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse7 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq c_~var_1_10~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse7))) (fp.leq c_~var_1_10~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse8)))) (and (fp.geq c_~var_1_10~0 ((_ to_fp 11 53) c_currentRoundingMode .cse8)) (fp.leq c_~var_1_10~0 ((_ to_fp 11 53) c_currentRoundingMode .cse7))))) (= c_~var_1_4~0 c_~var_1_19~0) (= c_~var_1_22~0 (_ bv0 8)) (bvsle .cse6 (_ bv63 32)) (= c_~var_1_5~0 c_~var_1_10~0) (bvsle .cse6 (bvneg c_~var_1_6~0)) (let ((.cse9 (bvslt (bvor .cse3 (_ bv5 32)) (bvshl .cse6 c_~var_1_18~0)))) (or (and .cse9 (= (_ bv1 8) |c_ULTIMATE.start_step_~stepLocal_2~0#1|)) (and (not .cse9) (= |c_ULTIMATE.start_step_~stepLocal_2~0#1| (_ bv0 8))))) (= c_~var_1_1~0 (_ bv32 8)) (= c_~var_1_33~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_10~0)) (= c_~var_1_15~0 (_ bv2 16)) (bvsge .cse4 (_ bv16383 32)) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse10 (bvsgt .cse3 .cse6)) (.cse12 (= .cse2 c_~var_1_14~0))) (or (and .cse10 (let ((.cse11 (bvsgt .cse3 .cse2))) (or (and .cse11 (= .cse3 c_~var_1_14~0)) (and .cse12 (not .cse11))))) (and (not .cse10) (let ((.cse13 (bvsgt .cse6 .cse2))) (or (and (not .cse13) .cse12) (and .cse13 (= .cse6 c_~var_1_14~0))))))))) is different from true [2023-12-23 22:37:21,278 WARN L293 SmtUtils]: Spent 8.26s 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 22:37:29,475 WARN L293 SmtUtils]: Spent 8.20s 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 22:37:36,657 WARN L293 SmtUtils]: Spent 7.18s 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 22:37:42,207 WARN L293 SmtUtils]: Spent 5.55s 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 22:37:48,940 WARN L293 SmtUtils]: Spent 6.73s 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 22:38:01,096 WARN L293 SmtUtils]: Spent 8.20s 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 22:38:16,186 WARN L293 SmtUtils]: Spent 6.11s 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 22:38:26,911 WARN L293 SmtUtils]: Spent 7.31s 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 22:38:41,596 WARN L293 SmtUtils]: Spent 6.56s 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 22:38:49,919 WARN L293 SmtUtils]: Spent 8.32s 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 22:38:55,605 WARN L293 SmtUtils]: Spent 5.69s 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 22:39:01,587 WARN L293 SmtUtils]: Spent 5.98s 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 22:39:21,442 WARN L293 SmtUtils]: Spent 8.25s 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) [2023-12-23 22:39:34,931 WARN L293 SmtUtils]: Spent 8.25s 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 22:39:43,193 WARN L293 SmtUtils]: Spent 8.26s 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 22:40:01,303 WARN L293 SmtUtils]: Spent 8.29s 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 22:40:09,579 WARN L293 SmtUtils]: Spent 8.28s 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 22:40:28,012 WARN L293 SmtUtils]: Spent 5.72s 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 22:40:36,282 WARN L293 SmtUtils]: Spent 8.27s 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 22:40:44,400 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse5 ((_ zero_extend 16) c_~var_1_25~0)) (.cse4 ((_ sign_extend 16) (_ bv2 16))) (.cse0 ((_ zero_extend 24) c_~var_1_3~0)) (.cse1 ((_ zero_extend 24) c_~var_1_4~0))) (and (bvslt (bvor .cse0 (_ bv5 32)) (bvshl .cse1 c_~var_1_18~0)) (= c_~last_1_var_1_22~0 (_ bv0 8)) (let ((.cse3 (bvadd ((_ zero_extend 16) c_~var_1_24~0) (bvneg (bvadd (bvneg .cse0) .cse5)))) (.cse2 (bvsgt .cse4 c_~var_1_7~0))) (or (and (not .cse2) (not (bvsle .cse3 c_~var_1_7~0))) (and (not (bvsle .cse3 .cse4)) .cse2))) (= c_~var_1_23~0 (_ bv32 32)) (bvsle .cse5 (_ bv32767 32)) (bvsle .cse0 (_ bv64 32)) (let ((.cse6 (bvslt (_ bv32 32) .cse0))) (or (and (not .cse6) (= (bvadd .cse1 .cse0 (_ bv32 32)) c_~var_1_12~0)) (and .cse6 (= c_~var_1_12~0 (bvadd .cse1 (_ bv64 32)))))) (fp.gt c_~var_1_9~0 (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_26~0) c_~var_1_8~0)) (let ((.cse8 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse7 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq c_~var_1_10~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse7))) (fp.leq c_~var_1_10~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse8)))) (and (fp.geq c_~var_1_10~0 ((_ to_fp 11 53) c_currentRoundingMode .cse8)) (fp.leq c_~var_1_10~0 ((_ to_fp 11 53) c_currentRoundingMode .cse7))))) (= c_~var_1_4~0 c_~var_1_19~0) (= c_~var_1_22~0 (_ bv0 8)) (bvsle .cse1 (_ bv63 32)) (= c_~var_1_5~0 c_~var_1_10~0) (= ((_ zero_extend 8) c_~var_1_3~0) c_~var_1_21~0) (bvsle .cse1 (bvneg c_~var_1_6~0)) (bvslt ((_ sign_extend 24) c_~var_1_19~0) (_ bv32 32)) (= c_~var_1_1~0 (_ bv32 8)) (= c_~var_1_33~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_10~0)) (= c_~var_1_15~0 (_ bv2 16)) (bvsge .cse5 (_ bv16383 32)) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse9 (bvsgt .cse0 .cse1)) (.cse11 (= .cse4 c_~var_1_14~0))) (or (and .cse9 (let ((.cse10 (bvsgt .cse0 .cse4))) (or (and .cse10 (= .cse0 c_~var_1_14~0)) (and .cse11 (not .cse10))))) (and (not .cse9) (let ((.cse12 (bvsgt .cse1 .cse4))) (or (and (not .cse12) .cse11) (and .cse12 (= .cse1 c_~var_1_14~0))))))))) is different from false [2023-12-23 22:40:48,472 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse5 ((_ zero_extend 16) c_~var_1_25~0)) (.cse4 ((_ sign_extend 16) (_ bv2 16))) (.cse0 ((_ zero_extend 24) c_~var_1_3~0)) (.cse1 ((_ zero_extend 24) c_~var_1_4~0))) (and (bvslt (bvor .cse0 (_ bv5 32)) (bvshl .cse1 c_~var_1_18~0)) (= c_~last_1_var_1_22~0 (_ bv0 8)) (let ((.cse3 (bvadd ((_ zero_extend 16) c_~var_1_24~0) (bvneg (bvadd (bvneg .cse0) .cse5)))) (.cse2 (bvsgt .cse4 c_~var_1_7~0))) (or (and (not .cse2) (not (bvsle .cse3 c_~var_1_7~0))) (and (not (bvsle .cse3 .cse4)) .cse2))) (= c_~var_1_23~0 (_ bv32 32)) (bvsle .cse5 (_ bv32767 32)) (bvsle .cse0 (_ bv64 32)) (let ((.cse6 (bvslt (_ bv32 32) .cse0))) (or (and (not .cse6) (= (bvadd .cse1 .cse0 (_ bv32 32)) c_~var_1_12~0)) (and .cse6 (= c_~var_1_12~0 (bvadd .cse1 (_ bv64 32)))))) (fp.gt c_~var_1_9~0 (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_26~0) c_~var_1_8~0)) (let ((.cse8 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse7 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq c_~var_1_10~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse7))) (fp.leq c_~var_1_10~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse8)))) (and (fp.geq c_~var_1_10~0 ((_ to_fp 11 53) c_currentRoundingMode .cse8)) (fp.leq c_~var_1_10~0 ((_ to_fp 11 53) c_currentRoundingMode .cse7))))) (= c_~var_1_4~0 c_~var_1_19~0) (= c_~var_1_22~0 (_ bv0 8)) (bvsle .cse1 (_ bv63 32)) (= c_~var_1_5~0 c_~var_1_10~0) (= ((_ zero_extend 8) c_~var_1_3~0) c_~var_1_21~0) (bvsle .cse1 (bvneg c_~var_1_6~0)) (bvslt ((_ sign_extend 24) c_~var_1_19~0) (_ bv32 32)) (= c_~var_1_1~0 (_ bv32 8)) (= c_~var_1_33~0 ((_ to_fp 8 24) c_currentRoundingMode c_~var_1_10~0)) (= c_~var_1_15~0 (_ bv2 16)) (bvsge .cse5 (_ bv16383 32)) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse9 (bvsgt .cse0 .cse1)) (.cse11 (= .cse4 c_~var_1_14~0))) (or (and .cse9 (let ((.cse10 (bvsgt .cse0 .cse4))) (or (and .cse10 (= .cse0 c_~var_1_14~0)) (and .cse11 (not .cse10))))) (and (not .cse9) (let ((.cse12 (bvsgt .cse1 .cse4))) (or (and (not .cse12) .cse11) (and .cse12 (= .cse1 c_~var_1_14~0))))))))) is different from true [2023-12-23 22:40:56,438 WARN L293 SmtUtils]: Spent 5.57s 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 22:41:02,616 WARN L293 SmtUtils]: Spent 6.18s 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 22:41:08,668 WARN L293 SmtUtils]: Spent 6.05s 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 22:41:16,896 WARN L293 SmtUtils]: Spent 8.23s 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 22:41:24,045 WARN L293 SmtUtils]: Spent 7.15s 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 22:41:31,099 WARN L293 SmtUtils]: Spent 7.05s 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 22:41:38,648 WARN L293 SmtUtils]: Spent 5.76s 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 22:41:44,196 WARN L293 SmtUtils]: Spent 5.55s 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 22:41:52,454 WARN L293 SmtUtils]: Spent 8.26s 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 22:41:59,433 WARN L293 SmtUtils]: Spent 6.98s 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 22:42:06,530 WARN L293 SmtUtils]: Spent 7.10s 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 22:42:12,488 WARN L293 SmtUtils]: Spent 5.96s 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) Received shutdown request... [2023-12-23 22:42:12,940 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 (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 22:42:12,940 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 22:42:13,968 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 22:42:14,141 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 22:42:14,194 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 22:42:14,196 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-23 22:42:14,196 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 177 with TraceHistMax 28,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2023-12-23 22:42:14,200 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-23 22:42:14,202 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-23 22:42:14,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 10:42:14 BoogieIcfgContainer [2023-12-23 22:42:14,206 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-23 22:42:14,207 INFO L158 Benchmark]: Toolchain (without parser) took 880145.88ms. Allocated memory is still 324.0MB. Free memory was 272.4MB in the beginning and 163.0MB in the end (delta: 109.4MB). Peak memory consumption was 110.1MB. Max. memory is 8.0GB. [2023-12-23 22:42:14,207 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 197.1MB. Free memory is still 147.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-23 22:42:14,207 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.90ms. Allocated memory is still 324.0MB. Free memory was 272.0MB in the beginning and 255.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-23 22:42:14,208 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.33ms. Allocated memory is still 324.0MB. Free memory was 255.3MB in the beginning and 252.5MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-23 22:42:14,208 INFO L158 Benchmark]: Boogie Preprocessor took 51.15ms. Allocated memory is still 324.0MB. Free memory was 252.5MB in the beginning and 248.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-23 22:42:14,209 INFO L158 Benchmark]: RCFGBuilder took 17654.93ms. Allocated memory is still 324.0MB. Free memory was 247.9MB in the beginning and 287.3MB in the end (delta: -39.4MB). Peak memory consumption was 30.3MB. Max. memory is 8.0GB. [2023-12-23 22:42:14,209 INFO L158 Benchmark]: TraceAbstraction took 862043.42ms. Allocated memory is still 324.0MB. Free memory was 286.3MB in the beginning and 163.0MB in the end (delta: 123.3MB). Peak memory consumption was 122.8MB. Max. memory is 8.0GB. [2023-12-23 22:42:14,210 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 197.1MB. Free memory is still 147.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 344.90ms. Allocated memory is still 324.0MB. Free memory was 272.0MB in the beginning and 255.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.33ms. Allocated memory is still 324.0MB. Free memory was 255.3MB in the beginning and 252.5MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 51.15ms. Allocated memory is still 324.0MB. Free memory was 252.5MB in the beginning and 248.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 17654.93ms. Allocated memory is still 324.0MB. Free memory was 247.9MB in the beginning and 287.3MB in the end (delta: -39.4MB). Peak memory consumption was 30.3MB. Max. memory is 8.0GB. * TraceAbstraction took 862043.42ms. Allocated memory is still 324.0MB. Free memory was 286.3MB in the beginning and 163.0MB in the end (delta: 123.3MB). Peak memory consumption was 122.8MB. 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 177 with TraceHistMax 28,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 82 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 862.0s, OverallIterations: 3, TraceHistogramMax: 28, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 17.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 109 SdHoareTripleChecker+Valid, 17.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 109 mSDsluCounter, 454 SdHoareTripleChecker+Invalid, 17.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 109 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 345 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 350 GetRequests, 349 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=97occurred in iteration=2, InterpolantAutomatonStates: 5, 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, 57 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 352 NumberOfCodeBlocks, 352 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 350 ConstructedInterpolants, 0 QuantifiedInterpolants, 362 SizeOfPredicates, 0 NumberOfNonLiveVariables, 588 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 3024/3024 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