/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-pr-cn_file-88.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 12:34:11,503 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 12:34:11,592 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 12:34:11,597 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 12:34:11,598 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 12:34:11,620 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 12:34:11,621 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 12:34:11,621 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 12:34:11,622 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 12:34:11,624 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 12:34:11,625 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 12:34:11,625 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 12:34:11,625 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 12:34:11,626 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 12:34:11,626 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 12:34:11,627 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 12:34:11,627 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 12:34:11,627 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 12:34:11,627 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 12:34:11,627 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 12:34:11,628 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 12:34:11,628 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 12:34:11,628 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 12:34:11,628 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 12:34:11,628 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 12:34:11,629 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 12:34:11,629 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 12:34:11,629 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 12:34:11,629 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 12:34:11,629 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 12:34:11,630 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 12:34:11,630 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 12:34:11,630 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 12:34:11,630 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 12:34:11,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 12:34:11,631 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 12:34:11,631 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 12:34:11,631 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 12:34:11,631 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 12:34:11,631 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 12:34:11,631 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 12:34:11,632 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 12:34:11,632 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 12:34:11,632 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 12:34:11,633 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 12:34:11,633 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 12:34:11,633 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 12:34:11,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 12:34:11,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 12:34:11,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 12:34:11,822 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 12:34:11,822 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 12:34:11,823 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-88.i [2023-12-23 12:34:12,860 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 12:34:13,036 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 12:34:13,037 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-88.i [2023-12-23 12:34:13,046 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b6d07c6c/9ca8aa6feba4498baea88e78227d58f4/FLAG0256f7dca [2023-12-23 12:34:13,060 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b6d07c6c/9ca8aa6feba4498baea88e78227d58f4 [2023-12-23 12:34:13,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 12:34:13,064 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 12:34:13,065 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 12:34:13,065 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 12:34:13,069 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 12:34:13,069 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 12:34:13" (1/1) ... [2023-12-23 12:34:13,070 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ca5491e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:34:13, skipping insertion in model container [2023-12-23 12:34:13,070 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 12:34:13" (1/1) ... [2023-12-23 12:34:13,106 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 12:34:13,246 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-pr-cn_file-88.i[919,932] [2023-12-23 12:34:13,341 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 12:34:13,361 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 12:34:13,373 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-pr-cn_file-88.i[919,932] [2023-12-23 12:34:13,425 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 12:34:13,438 INFO L206 MainTranslator]: Completed translation [2023-12-23 12:34:13,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:34:13 WrapperNode [2023-12-23 12:34:13,439 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 12:34:13,440 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 12:34:13,440 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 12:34:13,441 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 12:34:13,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:34:13" (1/1) ... [2023-12-23 12:34:13,463 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:34:13" (1/1) ... [2023-12-23 12:34:13,495 INFO L138 Inliner]: procedures = 27, calls = 73, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 301 [2023-12-23 12:34:13,496 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 12:34:13,496 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 12:34:13,496 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 12:34:13,497 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 12:34:13,505 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:34:13" (1/1) ... [2023-12-23 12:34:13,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:34:13" (1/1) ... [2023-12-23 12:34:13,509 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:34:13" (1/1) ... [2023-12-23 12:34:13,521 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 12:34:13,521 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:34:13" (1/1) ... [2023-12-23 12:34:13,527 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:34:13" (1/1) ... [2023-12-23 12:34:13,542 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:34:13" (1/1) ... [2023-12-23 12:34:13,547 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:34:13" (1/1) ... [2023-12-23 12:34:13,550 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:34:13" (1/1) ... [2023-12-23 12:34:13,558 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:34:13" (1/1) ... [2023-12-23 12:34:13,562 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 12:34:13,562 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 12:34:13,562 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 12:34:13,563 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 12:34:13,563 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:34:13" (1/1) ... [2023-12-23 12:34:13,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 12:34:13,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 12:34:13,610 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 12:34:13,630 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 12:34:13,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 12:34:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 12:34:13,636 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 12:34:13,637 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 12:34:13,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 12:34:13,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 12:34:13,738 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 12:34:13,742 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 12:34:34,106 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 12:34:34,161 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 12:34:34,161 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 12:34:34,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 12:34:34 BoogieIcfgContainer [2023-12-23 12:34:34,162 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 12:34:34,163 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 12:34:34,163 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 12:34:34,173 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 12:34:34,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 12:34:13" (1/3) ... [2023-12-23 12:34:34,174 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50a5d50e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 12:34:34, skipping insertion in model container [2023-12-23 12:34:34,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 12:34:13" (2/3) ... [2023-12-23 12:34:34,174 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50a5d50e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 12:34:34, skipping insertion in model container [2023-12-23 12:34:34,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 12:34:34" (3/3) ... [2023-12-23 12:34:34,175 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-cn_file-88.i [2023-12-23 12:34:34,199 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 12:34:34,200 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 12:34:34,232 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 12:34:34,236 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;@479e0aca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 12:34:34,236 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 12:34:34,240 INFO L276 IsEmpty]: Start isEmpty. Operand has 132 states, 69 states have (on average 1.3623188405797102) internal successors, (94), 70 states have internal predecessors, (94), 60 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-12-23 12:34:34,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2023-12-23 12:34:34,256 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 12:34:34,256 INFO L195 NwaCegarLoop]: trace histogram [60, 60, 60, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:34,257 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 12:34:34,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 12:34:34,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1790430080, now seen corresponding path program 1 times [2023-12-23 12:34:34,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 12:34:34,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [773157646] [2023-12-23 12:34:34,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 12:34:34,275 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 12:34:34,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 12:34:34,277 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 12:34:34,306 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 12:34:35,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 12:34:35,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 12:34:35,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 12:34:35,406 INFO L134 CoverageAnalysis]: Checked inductivity of 7080 backedges. 998 proven. 0 refuted. 0 times theorem prover too weak. 6082 trivial. 0 not checked. [2023-12-23 12:34:35,406 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 12:34:35,407 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 12:34:35,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [773157646] [2023-12-23 12:34:35,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [773157646] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 12:34:35,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 12:34:35,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 12:34:35,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143817983] [2023-12-23 12:34:35,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 12:34:35,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 12:34:35,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 12:34:35,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 12:34:35,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 12:34:35,446 INFO L87 Difference]: Start difference. First operand has 132 states, 69 states have (on average 1.3623188405797102) internal successors, (94), 70 states have internal predecessors, (94), 60 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) Second operand has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2023-12-23 12:34:40,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.53s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 12:34:40,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 12:34:40,030 INFO L93 Difference]: Finished difference Result 261 states and 486 transitions. [2023-12-23 12:34:40,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 12:34:40,254 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 355 [2023-12-23 12:34:40,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 12:34:40,261 INFO L225 Difference]: With dead ends: 261 [2023-12-23 12:34:40,261 INFO L226 Difference]: Without dead ends: 130 [2023-12-23 12:34:40,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 354 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 12:34:40,266 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-12-23 12:34:40,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 206 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2023-12-23 12:34:40,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2023-12-23 12:34:40,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2023-12-23 12:34:40,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 68 states have (on average 1.3088235294117647) internal successors, (89), 68 states have internal predecessors, (89), 60 states have call successors, (60), 1 states have call predecessors, (60), 1 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-12-23 12:34:40,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 209 transitions. [2023-12-23 12:34:40,311 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 209 transitions. Word has length 355 [2023-12-23 12:34:40,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 12:34:40,312 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 209 transitions. [2023-12-23 12:34:40,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2023-12-23 12:34:40,312 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 209 transitions. [2023-12-23 12:34:40,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2023-12-23 12:34:40,318 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 12:34:40,318 INFO L195 NwaCegarLoop]: trace histogram [60, 60, 60, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:40,355 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 12:34:40,532 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 12:34:40,533 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 12:34:40,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 12:34:40,534 INFO L85 PathProgramCache]: Analyzing trace with hash -640798320, now seen corresponding path program 1 times [2023-12-23 12:34:40,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 12:34:40,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [790165059] [2023-12-23 12:34:40,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 12:34:40,536 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 12:34:40,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 12:34:40,538 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 12:34:40,550 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 12:34:41,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 12:34:41,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-23 12:34:41,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 12:34:45,902 INFO L134 CoverageAnalysis]: Checked inductivity of 7080 backedges. 1707 proven. 153 refuted. 0 times theorem prover too weak. 5220 trivial. 0 not checked. [2023-12-23 12:34:45,903 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 12:34:47,813 INFO L134 CoverageAnalysis]: Checked inductivity of 7080 backedges. 24 proven. 153 refuted. 0 times theorem prover too weak. 6903 trivial. 0 not checked. [2023-12-23 12:34:47,813 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 12:34:47,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [790165059] [2023-12-23 12:34:47,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [790165059] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-23 12:34:47,813 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 12:34:47,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2023-12-23 12:34:47,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531783847] [2023-12-23 12:34:47,814 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 12:34:47,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-23 12:34:47,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 12:34:47,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-23 12:34:47,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-23 12:34:47,818 INFO L87 Difference]: Start difference. First operand 130 states and 209 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 2 states have call successors, (111), 2 states have call predecessors, (111), 4 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2023-12-23 12:34:55,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.53s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 12:34:59,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 12:35:03,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 12:35:07,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 12:35:07,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 12:35:07,897 INFO L93 Difference]: Finished difference Result 267 states and 424 transitions. [2023-12-23 12:35:08,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-23 12:35:08,108 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 2 states have call successors, (111), 2 states have call predecessors, (111), 4 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) Word has length 355 [2023-12-23 12:35:08,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 12:35:08,111 INFO L225 Difference]: With dead ends: 267 [2023-12-23 12:35:08,111 INFO L226 Difference]: Without dead ends: 138 [2023-12-23 12:35:08,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 713 GetRequests, 701 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2023-12-23 12:35:08,113 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 60 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 25 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.7s IncrementalHoareTripleChecker+Time [2023-12-23 12:35:08,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 436 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 379 Invalid, 4 Unknown, 0 Unchecked, 19.7s Time] [2023-12-23 12:35:08,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2023-12-23 12:35:08,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 134. [2023-12-23 12:35:08,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 71 states have (on average 1.2816901408450705) internal successors, (91), 71 states have internal predecessors, (91), 60 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-12-23 12:35:08,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 211 transitions. [2023-12-23 12:35:08,134 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 211 transitions. Word has length 355 [2023-12-23 12:35:08,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 12:35:08,135 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 211 transitions. [2023-12-23 12:35:08,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 2 states have call successors, (111), 2 states have call predecessors, (111), 4 states have return successors, (112), 2 states have call predecessors, (112), 2 states have call successors, (112) [2023-12-23 12:35:08,136 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 211 transitions. [2023-12-23 12:35:08,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2023-12-23 12:35:08,138 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 12:35:08,138 INFO L195 NwaCegarLoop]: trace histogram [60, 60, 60, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:35:08,166 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 12:35:08,365 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 12:35:08,366 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 12:35:08,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 12:35:08,366 INFO L85 PathProgramCache]: Analyzing trace with hash -638951278, now seen corresponding path program 1 times [2023-12-23 12:35:08,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 12:35:08,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2060461316] [2023-12-23 12:35:08,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 12:35:08,367 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 12:35:08,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 12:35:08,384 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 12:35:08,394 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 12:35:09,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 12:35:09,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-23 12:35:09,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 12:35:23,590 INFO L134 CoverageAnalysis]: Checked inductivity of 7080 backedges. 2729 proven. 132 refuted. 0 times theorem prover too weak. 4219 trivial. 0 not checked. [2023-12-23 12:35:23,590 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 12:35:37,768 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 12:35:37,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2060461316] [2023-12-23 12:35:37,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2060461316] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-23 12:35:37,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1408484990] [2023-12-23 12:35:37,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 12:35:37,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-23 12:35:37,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-23 12:35:37,810 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-23 12:35:37,811 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-23 12:35:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 12:35:43,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-23 12:35:43,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 12:36:20,425 WARN L293 SmtUtils]: Spent 8.18s 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 12:36:28,616 WARN L293 SmtUtils]: Spent 8.19s 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 12:36:36,803 WARN L293 SmtUtils]: Spent 8.19s 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 12:36:44,990 WARN L293 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 12:36:53,178 WARN L293 SmtUtils]: Spent 8.19s 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 12:37:01,363 WARN L293 SmtUtils]: Spent 8.18s 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 12:37:09,474 WARN L293 SmtUtils]: Spent 8.11s 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 12:37:17,657 WARN L293 SmtUtils]: Spent 8.18s 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 12:37:25,839 WARN L293 SmtUtils]: Spent 8.18s 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 12:37:29,896 WARN L854 $PredicateComparison]: unable to prove that (and (bvsle ((_ zero_extend 24) c_~var_1_18~0) (_ bv64 32)) (bvsle ((_ zero_extend 24) c_~var_1_19~0) (_ bv63 32)) (= c_~var_1_8~0 c_~var_1_11~0) (not (fp.gt c_~var_1_1~0 (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_1~0 c_~var_1_5~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 53.0 10.0))))) (not (fp.leq ((_ to_fp 8 24) c_currentRoundingMode (/ 129.0 2.0)) c_~var_1_2~0)) (= (_ bv128 16) c_~last_1_var_1_21~0) (bvsle ((_ zero_extend 24) c_~var_1_20~0) (_ bv127 32)) (bvsle ((_ zero_extend 24) c_~var_1_10~0) (_ bv0 32)) (= c_~var_1_21~0 (_ bv128 16))) is different from false [2023-12-23 12:37:33,951 WARN L876 $PredicateComparison]: unable to prove that (and (bvsle ((_ zero_extend 24) c_~var_1_18~0) (_ bv64 32)) (bvsle ((_ zero_extend 24) c_~var_1_19~0) (_ bv63 32)) (= c_~var_1_8~0 c_~var_1_11~0) (not (fp.gt c_~var_1_1~0 (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_1~0 c_~var_1_5~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 53.0 10.0))))) (not (fp.leq ((_ to_fp 8 24) c_currentRoundingMode (/ 129.0 2.0)) c_~var_1_2~0)) (= (_ bv128 16) c_~last_1_var_1_21~0) (bvsle ((_ zero_extend 24) c_~var_1_20~0) (_ bv127 32)) (bvsle ((_ zero_extend 24) c_~var_1_10~0) (_ bv0 32)) (= c_~var_1_21~0 (_ bv128 16))) is different from true [2023-12-23 12:37:42,131 WARN L293 SmtUtils]: Spent 8.18s 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 12:37:50,308 WARN L293 SmtUtils]: Spent 8.18s 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 12:37:58,483 WARN L293 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 12:38:06,669 WARN L293 SmtUtils]: Spent 8.18s 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 12:38:14,860 WARN L293 SmtUtils]: Spent 8.19s 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 12:38:23,050 WARN L293 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 12:38:30,840 WARN L293 SmtUtils]: Spent 7.79s 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 12:38:39,021 WARN L293 SmtUtils]: Spent 8.18s 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 12:38:50,754 WARN L293 SmtUtils]: Spent 8.19s 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 12:38:58,968 WARN L293 SmtUtils]: Spent 8.21s 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 12:39:04,668 WARN L293 SmtUtils]: Spent 5.70s 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 12:39:11,545 WARN L293 SmtUtils]: Spent 6.88s 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 12:39:19,742 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 12:39:27,935 WARN L293 SmtUtils]: Spent 8.19s 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 12:39:36,140 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 12:39:44,270 WARN L293 SmtUtils]: Spent 8.13s 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 12:39:52,470 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 12:40:00,674 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 12:40:04,732 WARN L854 $PredicateComparison]: unable to prove that (and (bvsle ((_ zero_extend 24) c_~var_1_18~0) (_ bv64 32)) (= |c_ULTIMATE.start_step_~stepLocal_0~0#1| (bvmul (_ bv128 32) (bvsdiv ((_ zero_extend 24) c_~last_1_var_1_22~0) ((_ zero_extend 24) c_~var_1_16~0)))) (bvsle ((_ zero_extend 24) c_~var_1_19~0) (_ bv63 32)) (= c_~var_1_8~0 c_~var_1_11~0) (not (fp.gt c_~var_1_1~0 (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_1~0 c_~var_1_5~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 53.0 10.0))))) (not (fp.leq ((_ to_fp 8 24) c_currentRoundingMode (/ 129.0 2.0)) c_~var_1_2~0)) (= (_ bv128 16) c_~last_1_var_1_21~0) (bvsle ((_ zero_extend 24) c_~var_1_20~0) (_ bv127 32)) (bvsle ((_ zero_extend 24) c_~var_1_10~0) (_ bv0 32)) (= c_~var_1_21~0 (_ bv128 16))) is different from false [2023-12-23 12:40:08,789 WARN L876 $PredicateComparison]: unable to prove that (and (bvsle ((_ zero_extend 24) c_~var_1_18~0) (_ bv64 32)) (= |c_ULTIMATE.start_step_~stepLocal_0~0#1| (bvmul (_ bv128 32) (bvsdiv ((_ zero_extend 24) c_~last_1_var_1_22~0) ((_ zero_extend 24) c_~var_1_16~0)))) (bvsle ((_ zero_extend 24) c_~var_1_19~0) (_ bv63 32)) (= c_~var_1_8~0 c_~var_1_11~0) (not (fp.gt c_~var_1_1~0 (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_1~0 c_~var_1_5~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 53.0 10.0))))) (not (fp.leq ((_ to_fp 8 24) c_currentRoundingMode (/ 129.0 2.0)) c_~var_1_2~0)) (= (_ bv128 16) c_~last_1_var_1_21~0) (bvsle ((_ zero_extend 24) c_~var_1_20~0) (_ bv127 32)) (bvsle ((_ zero_extend 24) c_~var_1_10~0) (_ bv0 32)) (= c_~var_1_21~0 (_ bv128 16))) is different from true [2023-12-23 12:40:20,515 WARN L293 SmtUtils]: Spent 8.20s 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 12:40:28,716 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 12:40:35,808 WARN L293 SmtUtils]: Spent 7.09s 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 12:40:44,014 WARN L293 SmtUtils]: Spent 8.21s 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 12:40:56,524 WARN L293 SmtUtils]: Spent 8.13s 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 12:41:02,668 WARN L293 SmtUtils]: Spent 6.14s 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 12:41:10,860 WARN L293 SmtUtils]: Spent 8.19s 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 12:41:22,707 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 12:41:26,767 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) c_~var_1_19~0)) (.cse0 ((_ zero_extend 24) c_~var_1_18~0)) (.cse2 ((_ zero_extend 24) c_~var_1_20~0))) (and (bvsle .cse0 (_ bv64 32)) (bvslt (_ bv128 32) (bvmul (_ bv128 32) (bvsdiv ((_ zero_extend 24) c_~last_1_var_1_22~0) ((_ zero_extend 24) c_~var_1_16~0)))) (bvsle .cse1 (_ bv63 32)) (= c_~var_1_8~0 c_~var_1_11~0) (not (fp.gt c_~var_1_1~0 (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_1~0 c_~var_1_5~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 53.0 10.0))))) (not (fp.leq ((_ to_fp 8 24) c_currentRoundingMode (/ 129.0 2.0)) c_~var_1_2~0)) (= (_ bv128 16) c_~last_1_var_1_21~0) (bvsle .cse2 (_ bv127 32)) (bvsle ((_ zero_extend 24) c_~var_1_10~0) (_ bv0 32)) (= c_~var_1_21~0 (_ bv128 16)) (= ((_ extract 7 0) (bvadd .cse1 .cse0 .cse2)) c_~var_1_14~0))) is different from false [2023-12-23 12:41:30,830 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) c_~var_1_19~0)) (.cse0 ((_ zero_extend 24) c_~var_1_18~0)) (.cse2 ((_ zero_extend 24) c_~var_1_20~0))) (and (bvsle .cse0 (_ bv64 32)) (bvslt (_ bv128 32) (bvmul (_ bv128 32) (bvsdiv ((_ zero_extend 24) c_~last_1_var_1_22~0) ((_ zero_extend 24) c_~var_1_16~0)))) (bvsle .cse1 (_ bv63 32)) (= c_~var_1_8~0 c_~var_1_11~0) (not (fp.gt c_~var_1_1~0 (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_1~0 c_~var_1_5~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 53.0 10.0))))) (not (fp.leq ((_ to_fp 8 24) c_currentRoundingMode (/ 129.0 2.0)) c_~var_1_2~0)) (= (_ bv128 16) c_~last_1_var_1_21~0) (bvsle .cse2 (_ bv127 32)) (bvsle ((_ zero_extend 24) c_~var_1_10~0) (_ bv0 32)) (= c_~var_1_21~0 (_ bv128 16)) (= ((_ extract 7 0) (bvadd .cse1 .cse0 .cse2)) c_~var_1_14~0))) is different from true [2023-12-23 12:41:39,026 WARN L293 SmtUtils]: Spent 8.19s 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 12:41:46,460 WARN L293 SmtUtils]: Spent 7.43s 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 12:41:54,661 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 12:42:09,558 WARN L293 SmtUtils]: Spent 8.18s 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 12:42:17,687 WARN L293 SmtUtils]: Spent 8.13s 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 12:42:25,881 WARN L293 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 12:42:32,783 WARN L293 SmtUtils]: Spent 6.90s 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 12:42:44,964 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 12:42:53,169 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 12:43:01,364 WARN L293 SmtUtils]: Spent 8.19s 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 12:43:09,564 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 12:43:17,755 WARN L293 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 12:43:28,762 WARN L293 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 12:43:36,899 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 12:43:47,552 WARN L293 SmtUtils]: Spent 8.20s 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 12:43:55,748 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 12:44:03,948 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 12:44:10,975 WARN L293 SmtUtils]: Spent 7.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 12:44:19,189 WARN L293 SmtUtils]: Spent 8.21s 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 12:44:27,396 WARN L293 SmtUtils]: Spent 8.21s 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 12:44:35,607 WARN L293 SmtUtils]: Spent 8.21s 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 12:44:45,742 WARN L293 SmtUtils]: Spent 6.38s 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 12:44:53,888 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 12:45:02,101 WARN L293 SmtUtils]: Spent 8.21s 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 12:45:10,307 WARN L293 SmtUtils]: Spent 8.21s 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 12:45:18,513 WARN L293 SmtUtils]: Spent 8.21s 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 12:45:26,726 WARN L293 SmtUtils]: Spent 8.21s 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 12:45:32,673 WARN L293 SmtUtils]: Spent 5.94s 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 12:45:40,887 WARN L293 SmtUtils]: Spent 8.21s 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 12:45:49,119 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 12:45:57,338 WARN L293 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 12:46:05,546 WARN L293 SmtUtils]: Spent 8.21s 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 12:46:13,832 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 12:46:22,039 WARN L293 SmtUtils]: Spent 8.21s 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 12:46:30,167 WARN L293 SmtUtils]: Spent 8.13s 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 12:46:38,366 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 12:46:46,575 WARN L293 SmtUtils]: Spent 8.21s 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 12:46:54,769 WARN L293 SmtUtils]: Spent 8.19s 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 12:47:02,970 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 12:47:07,037 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) c_~var_1_19~0)) (.cse0 ((_ zero_extend 24) c_~var_1_18~0)) (.cse2 ((_ zero_extend 24) c_~var_1_20~0))) (and (bvsle .cse0 (_ bv64 32)) (bvslt (_ bv128 32) (bvmul (_ bv128 32) (bvsdiv ((_ zero_extend 24) c_~last_1_var_1_22~0) ((_ zero_extend 24) c_~var_1_16~0)))) (bvsle .cse1 (_ bv63 32)) (= c_~var_1_8~0 c_~var_1_11~0) (= (bvshl .cse0 ((_ zero_extend 24) c_~var_1_14~0)) |c_ULTIMATE.start_step_~stepLocal_3~0#1|) (not (fp.gt c_~var_1_1~0 (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_1~0 c_~var_1_5~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 53.0 10.0))))) (not (fp.leq ((_ to_fp 8 24) c_currentRoundingMode (/ 129.0 2.0)) c_~var_1_2~0)) (= (_ bv128 16) c_~last_1_var_1_21~0) (bvsle .cse2 (_ bv127 32)) (bvsle ((_ zero_extend 24) c_~var_1_10~0) (_ bv0 32)) (= c_~var_1_21~0 (_ bv128 16)) (= ((_ extract 7 0) (bvadd .cse1 .cse0 .cse2)) c_~var_1_14~0))) is different from false [2023-12-23 12:47:17,271 WARN L293 SmtUtils]: Spent 7.29s 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 12:47:25,479 WARN L293 SmtUtils]: Spent 8.21s 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 12:47:33,691 WARN L293 SmtUtils]: Spent 8.21s 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 12:47:41,528 WARN L293 SmtUtils]: Spent 7.84s 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 12:47:49,272 WARN L293 SmtUtils]: Spent 7.74s 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 12:47:57,482 WARN L293 SmtUtils]: Spent 8.21s 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 12:48:05,684 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 12:48:13,892 WARN L293 SmtUtils]: Spent 8.21s 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 12:48:19,135 WARN L293 SmtUtils]: Spent 5.24s 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 12:48:27,332 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 12:48:35,538 WARN L293 SmtUtils]: Spent 8.21s 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 12:48:43,735 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 12:48:51,569 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) c_~var_1_19~0)) (.cse0 ((_ zero_extend 24) c_~var_1_18~0)) (.cse2 ((_ zero_extend 24) c_~var_1_20~0))) (and (bvsle .cse0 (_ bv64 32)) (bvslt (_ bv128 32) (bvmul (_ bv128 32) (bvsdiv ((_ zero_extend 24) c_~last_1_var_1_22~0) ((_ zero_extend 24) c_~var_1_16~0)))) (= c_~var_1_22~0 (_ bv64 8)) (bvsle .cse1 (_ bv63 32)) (= c_~var_1_8~0 c_~var_1_11~0) (not (fp.gt c_~var_1_1~0 (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_1~0 c_~var_1_5~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 53.0 10.0))))) (not (fp.leq ((_ to_fp 8 24) c_currentRoundingMode (/ 129.0 2.0)) c_~var_1_2~0)) (= (_ bv128 16) c_~last_1_var_1_21~0) (bvsle .cse2 (_ bv127 32)) (bvsle ((_ zero_extend 24) c_~var_1_10~0) (_ bv0 32)) (not (= (bvshl .cse0 ((_ zero_extend 24) c_~var_1_14~0)) .cse1)) (= c_~var_1_21~0 (_ bv128 16)) (= ((_ extract 7 0) (bvadd .cse1 .cse0 .cse2)) c_~var_1_14~0))) is different from false [2023-12-23 12:48:55,638 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) c_~var_1_19~0)) (.cse0 ((_ zero_extend 24) c_~var_1_18~0)) (.cse2 ((_ zero_extend 24) c_~var_1_20~0))) (and (bvsle .cse0 (_ bv64 32)) (bvslt (_ bv128 32) (bvmul (_ bv128 32) (bvsdiv ((_ zero_extend 24) c_~last_1_var_1_22~0) ((_ zero_extend 24) c_~var_1_16~0)))) (= c_~var_1_22~0 (_ bv64 8)) (bvsle .cse1 (_ bv63 32)) (= c_~var_1_8~0 c_~var_1_11~0) (not (fp.gt c_~var_1_1~0 (fp.add c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_1~0 c_~var_1_5~0) ((_ to_fp 11 53) c_currentRoundingMode (/ 53.0 10.0))))) (not (fp.leq ((_ to_fp 8 24) c_currentRoundingMode (/ 129.0 2.0)) c_~var_1_2~0)) (= (_ bv128 16) c_~last_1_var_1_21~0) (bvsle .cse2 (_ bv127 32)) (bvsle ((_ zero_extend 24) c_~var_1_10~0) (_ bv0 32)) (not (= (bvshl .cse0 ((_ zero_extend 24) c_~var_1_14~0)) .cse1)) (= c_~var_1_21~0 (_ bv128 16)) (= ((_ extract 7 0) (bvadd .cse1 .cse0 .cse2)) c_~var_1_14~0))) is different from true Received shutdown request... [2023-12-23 12:48:56,702 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 12:48:56,705 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 12:48:56,725 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 12:48:57,740 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-23 12:48:57,793 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 12:48:57,903 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 12:48:57,942 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 12:48:57,944 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-23 12:48:57,945 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 356 with TraceHistMax 60,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2023-12-23 12:48:57,948 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-23 12:48:57,949 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-23 12:48:57,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 12:48:57 BoogieIcfgContainer [2023-12-23 12:48:57,951 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-23 12:48:57,951 INFO L158 Benchmark]: Toolchain (without parser) took 884887.43ms. Allocated memory is still 311.4MB. Free memory was 263.8MB in the beginning and 165.5MB in the end (delta: 98.3MB). Peak memory consumption was 99.3MB. Max. memory is 8.0GB. [2023-12-23 12:48:57,951 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 184.5MB. Free memory is still 131.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-23 12:48:57,951 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.38ms. Allocated memory is still 311.4MB. Free memory was 263.8MB in the beginning and 246.0MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-12-23 12:48:57,951 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.29ms. Allocated memory is still 311.4MB. Free memory was 246.0MB in the beginning and 242.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-23 12:48:57,952 INFO L158 Benchmark]: Boogie Preprocessor took 65.42ms. Allocated memory is still 311.4MB. Free memory was 242.8MB in the beginning and 238.1MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-23 12:48:57,952 INFO L158 Benchmark]: RCFGBuilder took 20599.29ms. Allocated memory is still 311.4MB. Free memory was 238.1MB in the beginning and 205.6MB in the end (delta: 32.5MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. [2023-12-23 12:48:57,952 INFO L158 Benchmark]: TraceAbstraction took 863787.70ms. Allocated memory is still 311.4MB. Free memory was 205.1MB in the beginning and 165.5MB in the end (delta: 39.5MB). Peak memory consumption was 40.6MB. Max. memory is 8.0GB. [2023-12-23 12:48:57,953 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 184.5MB. Free memory is still 131.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 374.38ms. Allocated memory is still 311.4MB. Free memory was 263.8MB in the beginning and 246.0MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 56.29ms. Allocated memory is still 311.4MB. Free memory was 246.0MB in the beginning and 242.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 65.42ms. Allocated memory is still 311.4MB. Free memory was 242.8MB in the beginning and 238.1MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 20599.29ms. Allocated memory is still 311.4MB. Free memory was 238.1MB in the beginning and 205.6MB in the end (delta: 32.5MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. * TraceAbstraction took 863787.70ms. Allocated memory is still 311.4MB. Free memory was 205.1MB in the beginning and 165.5MB in the end (delta: 39.5MB). Peak memory consumption was 40.6MB. 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 356 with TraceHistMax 60,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 132 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 863.7s, OverallIterations: 3, TraceHistogramMax: 60, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 25.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 mSolverCounterUnknown, 67 SdHoareTripleChecker+Valid, 24.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 60 mSDsluCounter, 642 SdHoareTripleChecker+Invalid, 24.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 295 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 381 IncrementalHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 347 mSDtfsCounter, 381 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1067 GetRequests, 1055 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=134occurred in iteration=2, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 710 NumberOfCodeBlocks, 710 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1062 ConstructedInterpolants, 0 QuantifiedInterpolants, 2273 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1110 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 20934/21240 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