/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-75.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 15:39:17,683 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 15:39:17,744 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 15:39:17,748 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 15:39:17,749 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 15:39:17,773 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 15:39:17,773 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 15:39:17,774 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 15:39:17,774 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 15:39:17,777 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 15:39:17,777 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 15:39:17,778 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 15:39:17,778 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 15:39:17,779 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 15:39:17,779 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 15:39:17,779 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 15:39:17,780 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 15:39:17,780 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 15:39:17,780 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 15:39:17,780 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 15:39:17,780 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 15:39:17,780 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 15:39:17,781 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 15:39:17,781 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 15:39:17,781 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 15:39:17,781 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 15:39:17,781 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 15:39:17,781 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 15:39:17,781 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 15:39:17,782 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 15:39:17,782 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 15:39:17,782 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 15:39:17,782 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 15:39:17,783 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 15:39:17,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 15:39:17,783 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 15:39:17,783 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 15:39:17,783 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 15:39:17,783 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 15:39:17,783 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 15:39:17,783 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 15:39:17,784 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 15:39:17,784 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 15:39:17,784 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 15:39:17,784 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 15:39:17,784 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 15:39:17,784 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 15:39:17,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 15:39:18,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 15:39:18,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 15:39:18,008 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 15:39:18,009 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 15:39:18,010 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-75.i [2023-12-23 15:39:19,059 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 15:39:19,252 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 15:39:19,252 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-75.i [2023-12-23 15:39:19,266 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc3cf2ddb/bcccaeff146f43a2aac4bcc72c2a37e7/FLAG965d25651 [2023-12-23 15:39:19,278 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc3cf2ddb/bcccaeff146f43a2aac4bcc72c2a37e7 [2023-12-23 15:39:19,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 15:39:19,281 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 15:39:19,283 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 15:39:19,283 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 15:39:19,287 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 15:39:19,287 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 03:39:19" (1/1) ... [2023-12-23 15:39:19,288 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aa3960a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:39:19, skipping insertion in model container [2023-12-23 15:39:19,288 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 03:39:19" (1/1) ... [2023-12-23 15:39:19,320 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 15:39:19,425 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-75.i[919,932] [2023-12-23 15:39:19,482 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 15:39:19,494 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 15:39:19,502 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-75.i[919,932] [2023-12-23 15:39:19,538 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 15:39:19,557 INFO L206 MainTranslator]: Completed translation [2023-12-23 15:39:19,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:39:19 WrapperNode [2023-12-23 15:39:19,557 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 15:39:19,558 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 15:39:19,558 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 15:39:19,558 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 15:39:19,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:39:19" (1/1) ... [2023-12-23 15:39:19,577 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:39:19" (1/1) ... [2023-12-23 15:39:19,611 INFO L138 Inliner]: procedures = 27, calls = 62, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 264 [2023-12-23 15:39:19,611 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 15:39:19,612 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 15:39:19,612 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 15:39:19,612 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 15:39:19,622 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:39:19" (1/1) ... [2023-12-23 15:39:19,623 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:39:19" (1/1) ... [2023-12-23 15:39:19,627 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:39:19" (1/1) ... [2023-12-23 15:39:19,639 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 15:39:19,639 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:39:19" (1/1) ... [2023-12-23 15:39:19,639 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:39:19" (1/1) ... [2023-12-23 15:39:19,657 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:39:19" (1/1) ... [2023-12-23 15:39:19,668 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:39:19" (1/1) ... [2023-12-23 15:39:19,671 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:39:19" (1/1) ... [2023-12-23 15:39:19,673 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:39:19" (1/1) ... [2023-12-23 15:39:19,689 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 15:39:19,690 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 15:39:19,690 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 15:39:19,690 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 15:39:19,691 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:39:19" (1/1) ... [2023-12-23 15:39:19,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 15:39:19,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 15:39:19,720 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 15:39:19,729 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 15:39:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 15:39:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 15:39:19,747 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 15:39:19,748 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 15:39:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 15:39:19,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 15:39:19,845 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 15:39:19,847 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 15:39:35,202 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 15:39:35,238 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 15:39:35,238 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 15:39:35,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 03:39:35 BoogieIcfgContainer [2023-12-23 15:39:35,239 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 15:39:35,240 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 15:39:35,240 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 15:39:35,242 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 15:39:35,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 03:39:19" (1/3) ... [2023-12-23 15:39:35,243 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1393f4f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 03:39:35, skipping insertion in model container [2023-12-23 15:39:35,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 03:39:19" (2/3) ... [2023-12-23 15:39:35,243 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1393f4f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 03:39:35, skipping insertion in model container [2023-12-23 15:39:35,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 03:39:35" (3/3) ... [2023-12-23 15:39:35,244 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-cn_file-75.i [2023-12-23 15:39:35,257 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 15:39:35,258 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 15:39:35,292 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 15:39:35,296 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;@451d3750, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 15:39:35,297 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 15:39:35,300 INFO L276 IsEmpty]: Start isEmpty. Operand has 116 states, 64 states have (on average 1.390625) internal successors, (89), 65 states have internal predecessors, (89), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2023-12-23 15:39:35,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2023-12-23 15:39:35,318 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 15:39:35,319 INFO L195 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:39:35,319 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 15:39:35,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 15:39:35,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1654621856, now seen corresponding path program 1 times [2023-12-23 15:39:35,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 15:39:35,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1955861539] [2023-12-23 15:39:35,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 15:39:35,334 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 15:39:35,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 15:39:35,337 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 15:39:35,341 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 15:39:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 15:39:36,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 15:39:36,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 15:39:36,276 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 1824 proven. 0 refuted. 0 times theorem prover too weak. 2880 trivial. 0 not checked. [2023-12-23 15:39:36,276 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 15:39:36,277 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 15:39:36,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1955861539] [2023-12-23 15:39:36,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1955861539] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 15:39:36,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 15:39:36,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 15:39:36,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340582321] [2023-12-23 15:39:36,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 15:39:36,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 15:39:36,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 15:39:36,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 15:39:36,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 15:39:36,322 INFO L87 Difference]: Start difference. First operand has 116 states, 64 states have (on average 1.390625) internal successors, (89), 65 states have internal predecessors, (89), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2023-12-23 15:39:40,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 15:39:40,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 15:39:40,734 INFO L93 Difference]: Finished difference Result 229 states and 421 transitions. [2023-12-23 15:39:40,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 15:39:40,872 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 295 [2023-12-23 15:39:40,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 15:39:40,878 INFO L225 Difference]: With dead ends: 229 [2023-12-23 15:39:40,878 INFO L226 Difference]: Without dead ends: 114 [2023-12-23 15:39:40,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 294 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 15:39:40,884 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-12-23 15:39:40,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 178 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2023-12-23 15:39:40,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-12-23 15:39:40,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2023-12-23 15:39:40,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 63 states have (on average 1.3174603174603174) internal successors, (83), 63 states have internal predecessors, (83), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2023-12-23 15:39:40,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 181 transitions. [2023-12-23 15:39:40,927 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 181 transitions. Word has length 295 [2023-12-23 15:39:40,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 15:39:40,927 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 181 transitions. [2023-12-23 15:39:40,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2023-12-23 15:39:40,928 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 181 transitions. [2023-12-23 15:39:40,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2023-12-23 15:39:40,932 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 15:39:40,932 INFO L195 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:39:40,959 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 15:39:41,149 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 15:39:41,149 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 15:39:41,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 15:39:41,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1151486943, now seen corresponding path program 1 times [2023-12-23 15:39:41,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 15:39:41,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [724923235] [2023-12-23 15:39:41,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 15:39:41,151 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 15:39:41,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 15:39:41,154 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 15:39:41,205 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 15:39:41,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 15:39:42,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-23 15:39:42,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 15:39:53,582 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 1029 proven. 378 refuted. 0 times theorem prover too weak. 3297 trivial. 0 not checked. [2023-12-23 15:39:53,582 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 15:39:58,793 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 36 proven. 387 refuted. 0 times theorem prover too weak. 4281 trivial. 0 not checked. [2023-12-23 15:39:58,794 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 15:39:58,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [724923235] [2023-12-23 15:39:58,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [724923235] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-23 15:39:58,794 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 15:39:58,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 19 [2023-12-23 15:39:58,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892991404] [2023-12-23 15:39:58,794 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 15:39:58,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-12-23 15:39:58,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 15:39:58,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-12-23 15:39:58,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2023-12-23 15:39:58,798 INFO L87 Difference]: Start difference. First operand 114 states and 181 transitions. Second operand has 19 states, 19 states have (on average 4.631578947368421) internal successors, (88), 19 states have internal predecessors, (88), 4 states have call successors, (94), 4 states have call predecessors, (94), 10 states have return successors, (95), 4 states have call predecessors, (95), 4 states have call successors, (95) [2023-12-23 15:40:10,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 15:40:14,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 15:40:18,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 15:40:22,927 WARN L539 Checker$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 15:40:26,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 15:40:30,945 WARN L539 Checker$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 15:40:34,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 15:40:38,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 15:40:42,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 15:40:46,963 WARN L539 Checker$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 15:40:50,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 15:40:54,988 WARN L539 Checker$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 15:40:59,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 15:41:03,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 15:41:07,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 15:41:11,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 15:41:15,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 15:41:19,027 WARN L539 Checker$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 15:41:23,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 15:41:27,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 15:41:31,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 15:41:35,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 15:41:39,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 15:41:43,056 WARN L539 Checker$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 15:41:50,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 15:41:50,385 INFO L93 Difference]: Finished difference Result 516 states and 782 transitions. [2023-12-23 15:41:50,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-12-23 15:41:50,386 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 4.631578947368421) internal successors, (88), 19 states have internal predecessors, (88), 4 states have call successors, (94), 4 states have call predecessors, (94), 10 states have return successors, (95), 4 states have call predecessors, (95), 4 states have call successors, (95) Word has length 296 [2023-12-23 15:41:50,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 15:41:50,393 INFO L225 Difference]: With dead ends: 516 [2023-12-23 15:41:50,393 INFO L226 Difference]: Without dead ends: 403 [2023-12-23 15:41:50,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 645 GetRequests, 580 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1354 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=1089, Invalid=3201, Unknown=0, NotChecked=0, Total=4290 [2023-12-23 15:41:50,396 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 504 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 1161 mSolverCounterSat, 370 mSolverCounterUnsat, 24 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 105.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 846 SdHoareTripleChecker+Invalid, 1555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 370 IncrementalHoareTripleChecker+Valid, 1161 IncrementalHoareTripleChecker+Invalid, 24 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 106.3s IncrementalHoareTripleChecker+Time [2023-12-23 15:41:50,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [508 Valid, 846 Invalid, 1555 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [370 Valid, 1161 Invalid, 24 Unknown, 0 Unchecked, 106.3s Time] [2023-12-23 15:41:50,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2023-12-23 15:41:50,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 245. [2023-12-23 15:41:50,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 135 states have (on average 1.2074074074074075) internal successors, (163), 137 states have internal predecessors, (163), 101 states have call successors, (101), 8 states have call predecessors, (101), 8 states have return successors, (101), 99 states have call predecessors, (101), 101 states have call successors, (101) [2023-12-23 15:41:50,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 365 transitions. [2023-12-23 15:41:50,448 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 365 transitions. Word has length 296 [2023-12-23 15:41:50,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 15:41:50,451 INFO L495 AbstractCegarLoop]: Abstraction has 245 states and 365 transitions. [2023-12-23 15:41:50,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.631578947368421) internal successors, (88), 19 states have internal predecessors, (88), 4 states have call successors, (94), 4 states have call predecessors, (94), 10 states have return successors, (95), 4 states have call predecessors, (95), 4 states have call successors, (95) [2023-12-23 15:41:50,453 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 365 transitions. [2023-12-23 15:41:50,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2023-12-23 15:41:50,456 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 15:41:50,456 INFO L195 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:41:50,486 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 15:41:50,672 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 15:41:50,673 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 15:41:50,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 15:41:50,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1153333985, now seen corresponding path program 1 times [2023-12-23 15:41:50,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 15:41:50,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1958902018] [2023-12-23 15:41:50,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 15:41:50,674 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 15:41:50,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 15:41:50,675 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 15:41:50,677 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 15:41:51,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 15:41:51,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-23 15:41:51,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 15:42:48,919 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 15:42:57,111 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 15:43:05,303 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 15:43:13,426 WARN L293 SmtUtils]: Spent 8.12s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 15:43:20,596 WARN L293 SmtUtils]: Spent 7.17s 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 15:43:28,788 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 15:43:36,980 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 15:43:45,178 WARN L293 SmtUtils]: Spent 8.20s 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 15:43:53,368 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 15:44:01,563 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 15:44:08,276 WARN L293 SmtUtils]: Spent 6.71s 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 15:44:16,463 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 15:44:21,777 WARN L293 SmtUtils]: Spent 5.31s 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 15:44:29,989 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 15:44:38,182 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 15:44:42,241 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (and (bvsge ((_ zero_extend 24) c_~var_1_12~0) (_ bv1 32)) (fp.gt c_~var_1_18~0 (fp.add c_currentRoundingMode c_~var_1_20~0 (fp.mul c_currentRoundingMode c_~var_1_19~0 c_~var_1_17~0))) (bvsge ((_ zero_extend 24) c_~var_1_11~0) (_ bv1 32)) (= c_~var_1_16~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_6~0)) (= ((_ zero_extend 16) c_~var_1_23~0) c_~var_1_25~0) (fp.geq c_~var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (= (_ bv1 8) c_~var_1_7~0) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (or (and (fp.geq c_~var_1_6~0 .cse0) (fp.leq c_~var_1_6~0 .cse1)) (and (fp.geq c_~var_1_6~0 (fp.neg .cse1)) (fp.leq c_~var_1_6~0 (fp.neg .cse0))))) (= c_~var_1_15~0 c_~var_1_6~0) (bvsge ((_ zero_extend 24) c_~var_1_13~0) (_ bv1 32)) (= c_currentRoundingMode roundNearestTiesToEven) (fp.leq c_~var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))))) is different from false [2023-12-23 15:44:52,710 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 15:45:00,897 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 15:45:09,092 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 15:45:17,222 WARN L293 SmtUtils]: Spent 8.13s 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 15:45:25,417 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 15:45:33,624 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 15:45:41,813 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 15:45:50,001 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 15:45:58,196 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 15:46:06,389 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 15:46:14,579 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 15:46:22,767 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 15:46:30,958 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 15:46:39,156 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 15:46:47,343 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 15:46:55,773 WARN L293 SmtUtils]: Spent 8.42s 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 15:47:04,179 WARN L293 SmtUtils]: Spent 8.41s 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 15:47:12,580 WARN L293 SmtUtils]: Spent 8.40s 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 15:47:20,858 WARN L293 SmtUtils]: Spent 8.28s 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 15:47:29,216 WARN L293 SmtUtils]: Spent 8.36s 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 15:47:37,630 WARN L293 SmtUtils]: Spent 8.41s 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 15:47:46,040 WARN L293 SmtUtils]: Spent 8.41s 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 15:47:54,448 WARN L293 SmtUtils]: Spent 8.41s 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 15:48:02,858 WARN L293 SmtUtils]: Spent 8.41s 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 15:48:11,186 WARN L293 SmtUtils]: Spent 8.33s 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 15:48:19,613 WARN L293 SmtUtils]: Spent 8.43s 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 15:48:27,976 WARN L293 SmtUtils]: Spent 8.36s 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 15:48:36,410 WARN L293 SmtUtils]: Spent 8.43s 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 15:48:44,828 WARN L293 SmtUtils]: Spent 8.42s 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 15:48:53,249 WARN L293 SmtUtils]: Spent 8.42s 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 15:49:01,680 WARN L293 SmtUtils]: Spent 8.43s 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 15:49:10,043 WARN L293 SmtUtils]: Spent 8.36s 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 15:49:14,155 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (and (bvsge ((_ zero_extend 24) c_~var_1_12~0) (_ bv1 32)) (fp.gt c_~var_1_18~0 (fp.add c_currentRoundingMode c_~var_1_20~0 (fp.mul c_currentRoundingMode c_~var_1_19~0 c_~var_1_17~0))) (bvsge ((_ zero_extend 24) c_~var_1_11~0) (_ bv1 32)) (= c_~var_1_20~0 c_~var_1_22~0) (= c_~var_1_16~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_6~0)) (= ((_ zero_extend 16) c_~var_1_23~0) c_~var_1_25~0) (fp.geq c_~var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (= (_ bv1 8) c_~var_1_7~0) (not (fp.lt c_~var_1_18~0 (fp.mul c_currentRoundingMode c_~last_1_var_1_22~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_4~0)))) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (or (and (fp.geq c_~var_1_6~0 .cse0) (fp.leq c_~var_1_6~0 .cse1)) (and (fp.geq c_~var_1_6~0 (fp.neg .cse1)) (fp.leq c_~var_1_6~0 (fp.neg .cse0))))) (= c_~var_1_15~0 c_~var_1_6~0) (bvsge ((_ zero_extend 24) c_~var_1_13~0) (_ bv1 32)) (= c_currentRoundingMode roundNearestTiesToEven) (fp.leq c_~var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))))) is different from false [2023-12-23 15:49:18,273 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (and (bvsge ((_ zero_extend 24) c_~var_1_12~0) (_ bv1 32)) (fp.gt c_~var_1_18~0 (fp.add c_currentRoundingMode c_~var_1_20~0 (fp.mul c_currentRoundingMode c_~var_1_19~0 c_~var_1_17~0))) (bvsge ((_ zero_extend 24) c_~var_1_11~0) (_ bv1 32)) (= c_~var_1_20~0 c_~var_1_22~0) (= c_~var_1_16~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_6~0)) (= ((_ zero_extend 16) c_~var_1_23~0) c_~var_1_25~0) (fp.geq c_~var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (= (_ bv1 8) c_~var_1_7~0) (not (fp.lt c_~var_1_18~0 (fp.mul c_currentRoundingMode c_~last_1_var_1_22~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_4~0)))) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 2305843009213691390.0))) (or (and (fp.geq c_~var_1_6~0 .cse0) (fp.leq c_~var_1_6~0 .cse1)) (and (fp.geq c_~var_1_6~0 (fp.neg .cse1)) (fp.leq c_~var_1_6~0 (fp.neg .cse0))))) (= c_~var_1_15~0 c_~var_1_6~0) (bvsge ((_ zero_extend 24) c_~var_1_13~0) (_ bv1 32)) (= c_currentRoundingMode roundNearestTiesToEven) (fp.leq c_~var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))))) is different from true [2023-12-23 15:49:26,658 WARN L293 SmtUtils]: Spent 8.38s 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 15:49:35,093 WARN L293 SmtUtils]: Spent 8.43s 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 15:49:43,524 WARN L293 SmtUtils]: Spent 8.43s 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 15:49:51,815 WARN L293 SmtUtils]: Spent 8.29s 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 15:50:00,182 WARN L293 SmtUtils]: Spent 8.37s 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 15:50:08,608 WARN L293 SmtUtils]: Spent 8.42s 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 15:50:17,041 WARN L293 SmtUtils]: Spent 8.43s 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 15:50:25,480 WARN L293 SmtUtils]: Spent 8.44s 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 15:50:33,917 WARN L293 SmtUtils]: Spent 8.44s 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 15:50:42,250 WARN L293 SmtUtils]: Spent 8.33s 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 15:50:50,677 WARN L293 SmtUtils]: Spent 8.43s 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 15:50:59,048 WARN L293 SmtUtils]: Spent 8.37s 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 15:51:07,467 WARN L293 SmtUtils]: Spent 8.42s 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 15:51:15,890 WARN L293 SmtUtils]: Spent 8.42s 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 15:51:24,315 WARN L293 SmtUtils]: Spent 8.42s 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 15:51:32,750 WARN L293 SmtUtils]: Spent 8.44s 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 15:51:41,109 WARN L293 SmtUtils]: Spent 8.36s 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 15:51:49,513 WARN L293 SmtUtils]: Spent 8.40s 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 15:51:57,910 WARN L293 SmtUtils]: Spent 8.40s 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 15:52:06,314 WARN L293 SmtUtils]: Spent 8.40s 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 15:52:14,632 WARN L293 SmtUtils]: Spent 8.32s 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 15:52:23,252 WARN L293 SmtUtils]: Spent 8.62s 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 15:52:31,662 WARN L293 SmtUtils]: Spent 8.41s 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 15:52:40,084 WARN L293 SmtUtils]: Spent 8.42s 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 15:52:48,550 WARN L293 SmtUtils]: Spent 8.47s 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 15:52:56,997 WARN L293 SmtUtils]: Spent 8.45s 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 15:53:05,368 WARN L293 SmtUtils]: Spent 8.37s 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 15:53:13,815 WARN L293 SmtUtils]: Spent 8.45s 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 15:53:22,281 WARN L293 SmtUtils]: Spent 8.47s 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 15:53:30,703 WARN L293 SmtUtils]: Spent 8.42s 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 15:53:39,187 WARN L293 SmtUtils]: Spent 8.48s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 15:53:47,587 WARN L293 SmtUtils]: Spent 8.40s 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 15:53:55,986 WARN L293 SmtUtils]: Spent 8.40s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2023-12-23 15:54:02,615 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 15:54:02,640 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 15:54:03,644 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 15:54:03,844 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 15:54:03,878 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 15:54:03,881 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-23 15:54:03,881 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 297 with TraceHistMax 49,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2023-12-23 15:54:03,885 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-23 15:54:03,886 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-23 15:54:03,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 03:54:03 BoogieIcfgContainer [2023-12-23 15:54:03,888 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-23 15:54:03,888 INFO L158 Benchmark]: Toolchain (without parser) took 884607.43ms. Allocated memory is still 327.2MB. Free memory was 277.4MB in the beginning and 145.0MB in the end (delta: 132.4MB). Peak memory consumption was 132.2MB. Max. memory is 8.0GB. [2023-12-23 15:54:03,888 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 218.1MB. Free memory was 171.3MB in the beginning and 171.1MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-23 15:54:03,888 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.69ms. Allocated memory is still 327.2MB. Free memory was 277.4MB in the beginning and 259.9MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-23 15:54:03,889 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.00ms. Allocated memory is still 327.2MB. Free memory was 259.9MB in the beginning and 256.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-23 15:54:03,889 INFO L158 Benchmark]: Boogie Preprocessor took 77.94ms. Allocated memory is still 327.2MB. Free memory was 256.8MB in the beginning and 252.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-23 15:54:03,889 INFO L158 Benchmark]: RCFGBuilder took 15548.52ms. Allocated memory is still 327.2MB. Free memory was 252.6MB in the beginning and 272.8MB in the end (delta: -20.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-12-23 15:54:03,889 INFO L158 Benchmark]: TraceAbstraction took 868647.72ms. Allocated memory is still 327.2MB. Free memory was 272.3MB in the beginning and 145.0MB in the end (delta: 127.3MB). Peak memory consumption was 127.8MB. Max. memory is 8.0GB. [2023-12-23 15:54:03,890 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 218.1MB. Free memory was 171.3MB in the beginning and 171.1MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 274.69ms. Allocated memory is still 327.2MB. Free memory was 277.4MB in the beginning and 259.9MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 53.00ms. Allocated memory is still 327.2MB. Free memory was 259.9MB in the beginning and 256.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 77.94ms. Allocated memory is still 327.2MB. Free memory was 256.8MB in the beginning and 252.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 15548.52ms. Allocated memory is still 327.2MB. Free memory was 252.6MB in the beginning and 272.8MB in the end (delta: -20.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 868647.72ms. Allocated memory is still 327.2MB. Free memory was 272.3MB in the beginning and 145.0MB in the end (delta: 127.3MB). Peak memory consumption was 127.8MB. 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 297 with TraceHistMax 49,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 116 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 868.6s, OverallIterations: 3, TraceHistogramMax: 49, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 116.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 25 mSolverCounterUnknown, 508 SdHoareTripleChecker+Valid, 110.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 504 mSDsluCounter, 1024 SdHoareTripleChecker+Invalid, 110.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 681 mSDsCounter, 370 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1163 IncrementalHoareTripleChecker+Invalid, 1558 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 370 mSolverCounterUnsat, 343 mSDtfsCounter, 1163 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 939 GetRequests, 874 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1354 ImplicationChecksByTransitivity, 6.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=245occurred in iteration=2, InterpolantAutomatonStates: 57, 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, 158 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 16.9s InterpolantComputationTime, 591 NumberOfCodeBlocks, 591 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 884 ConstructedInterpolants, 0 QuantifiedInterpolants, 4995 SizeOfPredicates, 8 NumberOfNonLiveVariables, 924 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 13347/14112 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