/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_fillercodesize_ps-cn-50_file-36.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 06:06:35,287 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 06:06:35,360 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 06:06:35,364 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 06:06:35,364 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 06:06:35,391 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 06:06:35,392 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 06:06:35,392 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 06:06:35,393 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 06:06:35,393 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 06:06:35,393 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 06:06:35,394 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 06:06:35,394 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 06:06:35,394 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 06:06:35,394 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 06:06:35,395 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 06:06:35,395 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 06:06:35,395 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 06:06:35,395 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 06:06:35,396 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 06:06:35,396 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 06:06:35,396 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 06:06:35,396 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 06:06:35,397 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 06:06:35,397 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 06:06:35,397 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 06:06:35,397 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 06:06:35,397 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 06:06:35,398 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 06:06:35,398 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 06:06:35,398 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 06:06:35,398 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 06:06:35,398 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 06:06:35,399 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 06:06:35,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 06:06:35,399 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 06:06:35,399 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 06:06:35,399 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 06:06:35,399 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 06:06:35,399 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 06:06:35,400 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 06:06:35,400 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 06:06:35,400 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 06:06:35,400 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 06:06:35,401 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 06:06:35,401 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 06:06:35,401 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 06:06:35,617 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 06:06:35,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 06:06:35,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 06:06:35,643 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 06:06:35,644 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 06:06:35,645 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-36.i [2023-12-23 06:06:36,893 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 06:06:37,126 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 06:06:37,127 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-36.i [2023-12-23 06:06:37,140 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6a76fbb3/1af2df5da6dd45a88a815ea8687953c1/FLAG14ed2cef5 [2023-12-23 06:06:37,163 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6a76fbb3/1af2df5da6dd45a88a815ea8687953c1 [2023-12-23 06:06:37,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 06:06:37,167 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 06:06:37,168 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 06:06:37,168 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 06:06:37,172 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 06:06:37,173 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 06:06:37" (1/1) ... [2023-12-23 06:06:37,174 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2963a842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:37, skipping insertion in model container [2023-12-23 06:06:37,175 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 06:06:37" (1/1) ... [2023-12-23 06:06:37,220 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 06:06:37,365 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_fillercodesize_ps-cn-50_file-36.i[915,928] [2023-12-23 06:06:37,466 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 06:06:37,482 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 06:06:37,509 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_fillercodesize_ps-cn-50_file-36.i[915,928] [2023-12-23 06:06:37,613 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 06:06:37,626 INFO L206 MainTranslator]: Completed translation [2023-12-23 06:06:37,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:37 WrapperNode [2023-12-23 06:06:37,627 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 06:06:37,628 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 06:06:37,640 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 06:06:37,640 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 06:06:37,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:37" (1/1) ... [2023-12-23 06:06:37,697 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:37" (1/1) ... [2023-12-23 06:06:37,759 INFO L138 Inliner]: procedures = 27, calls = 59, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 258 [2023-12-23 06:06:37,760 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 06:06:37,760 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 06:06:37,760 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 06:06:37,761 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 06:06:37,776 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:37" (1/1) ... [2023-12-23 06:06:37,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:37" (1/1) ... [2023-12-23 06:06:37,784 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:37" (1/1) ... [2023-12-23 06:06:37,797 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 06:06:37,797 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:37" (1/1) ... [2023-12-23 06:06:37,798 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:37" (1/1) ... [2023-12-23 06:06:37,813 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:37" (1/1) ... [2023-12-23 06:06:37,829 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:37" (1/1) ... [2023-12-23 06:06:37,832 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:37" (1/1) ... [2023-12-23 06:06:37,833 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:37" (1/1) ... [2023-12-23 06:06:37,836 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 06:06:37,837 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 06:06:37,837 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 06:06:37,837 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 06:06:37,838 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:37" (1/1) ... [2023-12-23 06:06:37,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 06:06:37,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 06:06:37,895 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 06:06:37,952 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 06:06:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 06:06:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 06:06:37,960 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 06:06:37,962 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 06:06:37,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 06:06:37,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 06:06:38,056 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 06:06:38,072 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 06:06:54,575 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 06:06:54,639 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 06:06:54,639 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 06:06:54,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:06:54 BoogieIcfgContainer [2023-12-23 06:06:54,639 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 06:06:54,641 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 06:06:54,641 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 06:06:54,643 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 06:06:54,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 06:06:37" (1/3) ... [2023-12-23 06:06:54,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d636750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 06:06:54, skipping insertion in model container [2023-12-23 06:06:54,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 06:06:37" (2/3) ... [2023-12-23 06:06:54,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d636750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 06:06:54, skipping insertion in model container [2023-12-23 06:06:54,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 06:06:54" (3/3) ... [2023-12-23 06:06:54,645 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-50_file-36.i [2023-12-23 06:06:54,661 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 06:06:54,661 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 06:06:54,703 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 06:06:54,709 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;@53676333, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 06:06:54,710 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 06:06:54,714 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 63 states have (on average 1.3968253968253967) internal successors, (88), 64 states have internal predecessors, (88), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-12-23 06:06:54,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2023-12-23 06:06:54,728 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 06:06:54,729 INFO L195 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:06:54,729 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 06:06:54,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 06:06:54,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1398422078, now seen corresponding path program 1 times [2023-12-23 06:06:54,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 06:06:54,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [743849968] [2023-12-23 06:06:54,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 06:06:54,744 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 06:06:54,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 06:06:54,747 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 06:06:54,808 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 06:06:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 06:06:56,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-23 06:06:56,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 06:06:56,550 INFO L134 CoverageAnalysis]: Checked inductivity of 4140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2023-12-23 06:06:56,550 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 06:06:56,551 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 06:06:56,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [743849968] [2023-12-23 06:06:56,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [743849968] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 06:06:56,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 06:06:56,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-23 06:06:56,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589029286] [2023-12-23 06:06:56,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 06:06:56,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-23 06:06:56,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 06:06:56,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-23 06:06:56,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 06:06:56,587 INFO L87 Difference]: Start difference. First operand has 112 states, 63 states have (on average 1.3968253968253967) internal successors, (88), 64 states have internal predecessors, (88), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2023-12-23 06:06:58,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 06:07:03,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 06:07:04,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 06:07:04,248 INFO L93 Difference]: Finished difference Result 265 states and 498 transitions. [2023-12-23 06:07:04,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-23 06:07:04,251 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) Word has length 281 [2023-12-23 06:07:04,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 06:07:04,259 INFO L225 Difference]: With dead ends: 265 [2023-12-23 06:07:04,259 INFO L226 Difference]: Without dead ends: 154 [2023-12-23 06:07:04,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 06:07:04,265 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 112 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2023-12-23 06:07:04,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 347 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 1 Unknown, 0 Unchecked, 7.6s Time] [2023-12-23 06:07:04,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2023-12-23 06:07:04,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 153. [2023-12-23 06:07:04,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 80 states have (on average 1.25) internal successors, (100), 81 states have internal predecessors, (100), 70 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (70), 69 states have call predecessors, (70), 70 states have call successors, (70) [2023-12-23 06:07:04,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 240 transitions. [2023-12-23 06:07:04,344 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 240 transitions. Word has length 281 [2023-12-23 06:07:04,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 06:07:04,345 INFO L495 AbstractCegarLoop]: Abstraction has 153 states and 240 transitions. [2023-12-23 06:07:04,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 1 states have call predecessors, (46), 1 states have call successors, (46) [2023-12-23 06:07:04,345 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 240 transitions. [2023-12-23 06:07:04,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2023-12-23 06:07:04,350 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 06:07:04,350 INFO L195 NwaCegarLoop]: trace histogram [46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:07:04,390 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-23 06:07:04,556 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 06:07:04,557 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 06:07:04,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 06:07:04,558 INFO L85 PathProgramCache]: Analyzing trace with hash -174788181, now seen corresponding path program 1 times [2023-12-23 06:07:04,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 06:07:04,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1999980764] [2023-12-23 06:07:04,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 06:07:04,560 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 06:07:04,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 06:07:04,562 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 06:07:04,610 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 06:07:06,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 06:07:06,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-23 06:07:06,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 06:10:32,548 WARN L293 SmtUtils]: Spent 8.12s on a formula simplification. DAG size of input: 83 DAG size of output: 81 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-23 06:11:05,384 WARN L293 SmtUtils]: Spent 7.73s on a formula simplification that was a NOOP. DAG size: 100 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-23 06:12:30,527 WARN L293 SmtUtils]: Spent 5.87s 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 06:12:42,297 WARN L293 SmtUtils]: Spent 5.02s 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 06:12:51,067 WARN L293 SmtUtils]: Spent 6.55s 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 06:13:35,994 WARN L293 SmtUtils]: Spent 5.32s 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 06:13:40,051 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse19 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse20 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (let ((.cse3 ((_ to_fp 11 53) c_currentRoundingMode .cse20)) (.cse2 ((_ to_fp 11 53) c_currentRoundingMode .cse19)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse20))) (.cse1 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse19)))) (and (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 .cse2) (fp.leq c_~var_1_6~0 .cse3))) (or (and (fp.geq c_~var_1_7~0 .cse0) (fp.leq c_~var_1_7~0 .cse1)) (and (fp.leq c_~var_1_7~0 .cse3) (fp.geq c_~var_1_7~0 .cse2))) (let ((.cse7 ((_ zero_extend 16) c_~var_1_9~0)) (.cse5 ((_ zero_extend 16) c_~var_1_10~0))) (let ((.cse6 (bvneg ((_ zero_extend 16) c_~var_1_11~0))) (.cse4 (bvslt .cse7 .cse5))) (or (and (not .cse4) (= ((_ extract 15 0) (bvadd .cse5 .cse6)) c_~var_1_8~0)) (and (= ((_ extract 15 0) (bvadd .cse7 .cse6)) c_~var_1_8~0) .cse4)))) (fp.geq c_~var_1_13~0 .cse2) (fp.leq c_~var_1_13~0 .cse3) (fp.leq c_~var_1_4~0 .cse3) (let ((.cse12 (= c_~var_1_7~0 c_~var_1_1~0)) (.cse15 (fp.sub c_currentRoundingMode c_~var_1_3~0 c_~var_1_4~0))) (let ((.cse8 (let ((.cse16 (fp.lt .cse15 c_~var_1_7~0))) (or (and .cse12 (not .cse16)) (and (= c_~var_1_1~0 .cse15) .cse16)))) (.cse9 (fp.gt .cse15 c_~var_1_5~0))) (or (and .cse8 .cse9) (and (let ((.cse10 (fp.gt .cse15 c_~var_1_6~0))) (or (and .cse8 .cse10) (and (not .cse10) (let ((.cse13 (fp.lt c_~var_1_5~0 c_~var_1_6~0))) (or (and (let ((.cse11 (fp.lt c_~var_1_6~0 c_~var_1_7~0))) (or (and (not .cse11) .cse12) (and (= c_~var_1_1~0 c_~var_1_6~0) .cse11))) (not .cse13)) (and .cse13 (let ((.cse14 (fp.lt c_~var_1_5~0 c_~var_1_7~0))) (or (and (not .cse14) .cse12) (and .cse14 (= c_~var_1_5~0 c_~var_1_1~0)))))))))) (not .cse9))))) (fp.geq c_~var_1_4~0 .cse2) (or (and (fp.leq c_~var_1_5~0 .cse3) (fp.geq c_~var_1_5~0 .cse2)) (and (fp.geq c_~var_1_5~0 .cse0) (fp.leq c_~var_1_5~0 .cse1))) (= c_currentRoundingMode roundNearestTiesToEven) (let ((.cse18 (fp.sub c_currentRoundingMode c_~var_1_3~0 (fp.sub c_currentRoundingMode c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode (/ 3217.0 25.0)))))) (let ((.cse17 (fp.lt .cse18 c_~var_1_7~0))) (or (and .cse17 (= c_~var_1_12~0 .cse18)) (and (not .cse17) (= c_~var_1_7~0 c_~var_1_12~0)))))))) is different from false [2023-12-23 06:13:48,271 WARN L293 SmtUtils]: Spent 5.39s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:14:23,767 WARN L293 SmtUtils]: Spent 5.19s 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 06:14:36,368 WARN L293 SmtUtils]: Spent 5.69s 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 06:14:45,584 WARN L293 SmtUtils]: Spent 5.45s 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 06:18:18,736 WARN L293 SmtUtils]: Spent 59.14s on a formula simplification that was a NOOP. DAG size: 114 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-23 06:18:23,848 WARN L293 SmtUtils]: Spent 5.09s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-23 06:19:12,178 WARN L293 SmtUtils]: Spent 8.17s 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 06:19:27,899 WARN L293 SmtUtils]: Spent 5.06s 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 06:20:12,868 WARN L293 SmtUtils]: Spent 5.60s 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 06:21:21,959 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 06:21:21,959 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 (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 06:21:23,011 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 06:21:23,160 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 06:21:23,239 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-23 06:21:23,240 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 283 with TraceHistMax 46,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2023-12-23 06:21:23,245 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-23 06:21:23,248 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-23 06:21:23,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 06:21:23 BoogieIcfgContainer [2023-12-23 06:21:23,258 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-23 06:21:23,269 INFO L158 Benchmark]: Toolchain (without parser) took 886102.04ms. Allocated memory is still 263.2MB. Free memory was 208.8MB in the beginning and 157.1MB in the end (delta: 51.7MB). Peak memory consumption was 52.6MB. Max. memory is 8.0GB. [2023-12-23 06:21:23,269 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 188.7MB. Free memory is still 141.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-23 06:21:23,270 INFO L158 Benchmark]: CACSL2BoogieTranslator took 459.44ms. Allocated memory is still 263.2MB. Free memory was 208.8MB in the beginning and 190.8MB in the end (delta: 18.0MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-12-23 06:21:23,273 INFO L158 Benchmark]: Boogie Procedure Inliner took 132.14ms. Allocated memory is still 263.2MB. Free memory was 190.8MB in the beginning and 187.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-23 06:21:23,273 INFO L158 Benchmark]: Boogie Preprocessor took 76.05ms. Allocated memory is still 263.2MB. Free memory was 187.3MB in the beginning and 183.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-23 06:21:23,282 INFO L158 Benchmark]: RCFGBuilder took 16802.38ms. Allocated memory is still 263.2MB. Free memory was 182.7MB in the beginning and 215.3MB in the end (delta: -32.6MB). Peak memory consumption was 22.7MB. Max. memory is 8.0GB. [2023-12-23 06:21:23,283 INFO L158 Benchmark]: TraceAbstraction took 868627.16ms. Allocated memory is still 263.2MB. Free memory was 214.7MB in the beginning and 157.1MB in the end (delta: 57.6MB). Peak memory consumption was 57.1MB. Max. memory is 8.0GB. [2023-12-23 06:21:23,284 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### [2023-12-23 06:21:23,295 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 --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 188.7MB. Free memory is still 141.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 459.44ms. Allocated memory is still 263.2MB. Free memory was 208.8MB in the beginning and 190.8MB in the end (delta: 18.0MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 132.14ms. Allocated memory is still 263.2MB. Free memory was 190.8MB in the beginning and 187.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 76.05ms. Allocated memory is still 263.2MB. Free memory was 187.3MB in the beginning and 183.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 16802.38ms. Allocated memory is still 263.2MB. Free memory was 182.7MB in the beginning and 215.3MB in the end (delta: -32.6MB). Peak memory consumption was 22.7MB. Max. memory is 8.0GB. * TraceAbstraction took 868627.16ms. Allocated memory is still 263.2MB. Free memory was 214.7MB in the beginning and 157.1MB in the end (delta: 57.6MB). Peak memory consumption was 57.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 283 with TraceHistMax 46,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 112 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 868.6s, OverallIterations: 2, TraceHistogramMax: 46, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 112 SdHoareTripleChecker+Valid, 7.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 112 mSDsluCounter, 347 SdHoareTripleChecker+Invalid, 7.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 120 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 227 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 280 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=153occurred in iteration=1, InterpolantAutomatonStates: 3, 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, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 281 NumberOfCodeBlocks, 281 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 280 ConstructedInterpolants, 0 QuantifiedInterpolants, 286 SizeOfPredicates, 2 NumberOfNonLiveVariables, 446 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 4140/4140 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