/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-500_file-74.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 11:27:11,265 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 11:27:11,364 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-16 11:27:11,367 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 11:27:11,367 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 11:27:11,379 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 11:27:11,379 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 11:27:11,379 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 11:27:11,380 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 11:27:11,380 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 11:27:11,380 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 11:27:11,380 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 11:27:11,381 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 11:27:11,381 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 11:27:11,381 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 11:27:11,381 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 11:27:11,382 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 11:27:11,382 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 11:27:11,382 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 11:27:11,382 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 11:27:11,382 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 11:27:11,383 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 11:27:11,383 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 11:27:11,383 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 11:27:11,383 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 11:27:11,383 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 11:27:11,384 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 11:27:11,384 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 11:27:11,384 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 11:27:11,384 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 11:27:11,384 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 11:27:11,384 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 11:27:11,385 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 11:27:11,385 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 11:27:11,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 11:27:11,385 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 11:27:11,385 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 11:27:11,385 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 11:27:11,386 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 11:27:11,386 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 11:27:11,386 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 11:27:11,386 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 11:27:11,386 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 11:27:11,386 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 11:27:11,387 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 11:27:11,387 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 11:27:11,387 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 11:27:11,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 11:27:11,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 11:27:11,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 11:27:11,577 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 11:27:11,577 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 11:27:11,579 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-74.i [2023-12-16 11:27:12,520 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 11:27:12,706 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 11:27:12,706 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-74.i [2023-12-16 11:27:12,725 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7c95e560/a8bca75b9d944b02ae4eb85bf75118af/FLAGa8143f2ad [2023-12-16 11:27:13,080 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7c95e560/a8bca75b9d944b02ae4eb85bf75118af [2023-12-16 11:27:13,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 11:27:13,083 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 11:27:13,084 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 11:27:13,084 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 11:27:13,087 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 11:27:13,087 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 11:27:13" (1/1) ... [2023-12-16 11:27:13,088 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33324510 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:27:13, skipping insertion in model container [2023-12-16 11:27:13,088 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 11:27:13" (1/1) ... [2023-12-16 11:27:13,125 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 11:27:13,214 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-500_file-74.i[916,929] [2023-12-16 11:27:13,334 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 11:27:13,350 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 11:27:13,357 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-500_file-74.i[916,929] [2023-12-16 11:27:13,410 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 11:27:13,435 INFO L206 MainTranslator]: Completed translation [2023-12-16 11:27:13,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:27:13 WrapperNode [2023-12-16 11:27:13,437 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 11:27:13,438 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 11:27:13,438 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 11:27:13,438 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 11:27:13,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:27:13" (1/1) ... [2023-12-16 11:27:13,464 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:27:13" (1/1) ... [2023-12-16 11:27:13,504 INFO L138 Inliner]: procedures = 27, calls = 127, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 722 [2023-12-16 11:27:13,504 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 11:27:13,505 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 11:27:13,505 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 11:27:13,505 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 11:27:13,518 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:27:13" (1/1) ... [2023-12-16 11:27:13,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:27:13" (1/1) ... [2023-12-16 11:27:13,530 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:27:13" (1/1) ... [2023-12-16 11:27:13,564 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]. [2023-12-16 11:27:13,564 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:27:13" (1/1) ... [2023-12-16 11:27:13,564 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:27:13" (1/1) ... [2023-12-16 11:27:13,583 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:27:13" (1/1) ... [2023-12-16 11:27:13,589 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:27:13" (1/1) ... [2023-12-16 11:27:13,603 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:27:13" (1/1) ... [2023-12-16 11:27:13,606 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:27:13" (1/1) ... [2023-12-16 11:27:13,611 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 11:27:13,620 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 11:27:13,620 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 11:27:13,620 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 11:27:13,621 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:27:13" (1/1) ... [2023-12-16 11:27:13,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 11:27:13,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 11:27:13,654 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) [2023-12-16 11:27:13,667 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 [2023-12-16 11:27:13,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 11:27:13,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 11:27:13,683 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 11:27:13,684 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 11:27:13,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 11:27:13,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 11:27:13,824 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 11:27:13,827 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 11:27:43,984 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 11:27:44,026 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 11:27:44,026 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 11:27:44,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 11:27:44 BoogieIcfgContainer [2023-12-16 11:27:44,026 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 11:27:44,028 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 11:27:44,028 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 11:27:44,030 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 11:27:44,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 11:27:13" (1/3) ... [2023-12-16 11:27:44,031 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43736373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 11:27:44, skipping insertion in model container [2023-12-16 11:27:44,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:27:13" (2/3) ... [2023-12-16 11:27:44,031 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43736373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 11:27:44, skipping insertion in model container [2023-12-16 11:27:44,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 11:27:44" (3/3) ... [2023-12-16 11:27:44,032 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-500_file-74.i [2023-12-16 11:27:44,043 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 11:27:44,044 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 11:27:44,078 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 11:27:44,083 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;@683f678b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 11:27:44,083 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 11:27:44,088 INFO L276 IsEmpty]: Start isEmpty. Operand has 311 states, 194 states have (on average 1.6030927835051547) internal successors, (311), 195 states have internal predecessors, (311), 114 states have call successors, (114), 1 states have call predecessors, (114), 1 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2023-12-16 11:27:44,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 718 [2023-12-16 11:27:44,123 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:27:44,124 INFO L195 NwaCegarLoop]: trace histogram [114, 114, 114, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 11:27:44,125 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:27:44,131 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:27:44,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1604557517, now seen corresponding path program 1 times [2023-12-16 11:27:44,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:27:44,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1068077644] [2023-12-16 11:27:44,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:27:44,146 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 [2023-12-16 11:27:44,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:27:44,149 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) [2023-12-16 11:27:44,192 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 [2023-12-16 11:27:46,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:27:46,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 1159 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 11:27:46,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:27:46,480 INFO L134 CoverageAnalysis]: Checked inductivity of 25764 backedges. 9026 proven. 0 refuted. 0 times theorem prover too weak. 16738 trivial. 0 not checked. [2023-12-16 11:27:46,480 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 11:27:46,480 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:27:46,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1068077644] [2023-12-16 11:27:46,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1068077644] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 11:27:46,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 11:27:46,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 11:27:46,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136296425] [2023-12-16 11:27:46,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 11:27:46,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 11:27:46,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:27:46,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 11:27:46,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 11:27:46,506 INFO L87 Difference]: Start difference. First operand has 311 states, 194 states have (on average 1.6030927835051547) internal successors, (311), 195 states have internal predecessors, (311), 114 states have call successors, (114), 1 states have call predecessors, (114), 1 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) Second operand has 2 states, 2 states have (on average 77.0) internal successors, (154), 2 states have internal predecessors, (154), 2 states have call successors, (114), 2 states have call predecessors, (114), 2 states have return successors, (114), 2 states have call predecessors, (114), 2 states have call successors, (114) [2023-12-16 11:27:48,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:27:48,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 11:27:48,876 INFO L93 Difference]: Finished difference Result 618 states and 1188 transitions. [2023-12-16 11:27:48,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 11:27:48,912 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 77.0) internal successors, (154), 2 states have internal predecessors, (154), 2 states have call successors, (114), 2 states have call predecessors, (114), 2 states have return successors, (114), 2 states have call predecessors, (114), 2 states have call successors, (114) Word has length 717 [2023-12-16 11:27:48,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 11:27:48,922 INFO L225 Difference]: With dead ends: 618 [2023-12-16 11:27:48,922 INFO L226 Difference]: Without dead ends: 308 [2023-12-16 11:27:48,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 716 GetRequests, 716 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 11:27:48,928 INFO L413 NwaCegarLoop]: 525 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-16 11:27:48,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 525 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-16 11:27:48,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2023-12-16 11:27:48,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 308. [2023-12-16 11:27:48,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 192 states have (on average 1.5625) internal successors, (300), 192 states have internal predecessors, (300), 114 states have call successors, (114), 1 states have call predecessors, (114), 1 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2023-12-16 11:27:48,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 528 transitions. [2023-12-16 11:27:48,995 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 528 transitions. Word has length 717 [2023-12-16 11:27:48,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 11:27:48,995 INFO L495 AbstractCegarLoop]: Abstraction has 308 states and 528 transitions. [2023-12-16 11:27:48,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 77.0) internal successors, (154), 2 states have internal predecessors, (154), 2 states have call successors, (114), 2 states have call predecessors, (114), 2 states have return successors, (114), 2 states have call predecessors, (114), 2 states have call successors, (114) [2023-12-16 11:27:48,996 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 528 transitions. [2023-12-16 11:27:49,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 718 [2023-12-16 11:27:49,009 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:27:49,009 INFO L195 NwaCegarLoop]: trace histogram [114, 114, 114, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 11:27:49,062 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 [2023-12-16 11:27:49,224 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 [2023-12-16 11:27:49,225 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:27:49,225 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:27:49,225 INFO L85 PathProgramCache]: Analyzing trace with hash 546249931, now seen corresponding path program 1 times [2023-12-16 11:27:49,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:27:49,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [751887471] [2023-12-16 11:27:49,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:27:49,227 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 [2023-12-16 11:27:49,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:27:49,230 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) [2023-12-16 11:27:49,233 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 [2023-12-16 11:27:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:27:51,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 1159 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 11:27:51,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:27:52,281 INFO L134 CoverageAnalysis]: Checked inductivity of 25764 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25764 trivial. 0 not checked. [2023-12-16 11:27:52,282 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 11:27:52,282 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:27:52,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [751887471] [2023-12-16 11:27:52,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [751887471] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 11:27:52,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 11:27:52,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 11:27:52,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712912522] [2023-12-16 11:27:52,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 11:27:52,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 11:27:52,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:27:52,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 11:27:52,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 11:27:52,286 INFO L87 Difference]: Start difference. First operand 308 states and 528 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 1 states have call successors, (114), 1 states have call predecessors, (114), 1 states have return successors, (114), 1 states have call predecessors, (114), 1 states have call successors, (114) [2023-12-16 11:27:53,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:27:54,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 11:27:54,696 INFO L93 Difference]: Finished difference Result 783 states and 1352 transitions. [2023-12-16 11:27:54,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 11:27:54,697 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 1 states have call successors, (114), 1 states have call predecessors, (114), 1 states have return successors, (114), 1 states have call predecessors, (114), 1 states have call successors, (114) Word has length 717 [2023-12-16 11:27:54,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 11:27:54,701 INFO L225 Difference]: With dead ends: 783 [2023-12-16 11:27:54,701 INFO L226 Difference]: Without dead ends: 476 [2023-12-16 11:27:54,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 716 GetRequests, 715 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 11:27:54,703 INFO L413 NwaCegarLoop]: 523 mSDtfsCounter, 243 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 1033 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-16 11:27:54,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 1033 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-12-16 11:27:54,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2023-12-16 11:27:54,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 473. [2023-12-16 11:27:54,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 328 states have (on average 1.6310975609756098) internal successors, (535), 329 states have internal predecessors, (535), 142 states have call successors, (142), 2 states have call predecessors, (142), 2 states have return successors, (142), 141 states have call predecessors, (142), 142 states have call successors, (142) [2023-12-16 11:27:54,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 819 transitions. [2023-12-16 11:27:54,763 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 819 transitions. Word has length 717 [2023-12-16 11:27:54,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 11:27:54,764 INFO L495 AbstractCegarLoop]: Abstraction has 473 states and 819 transitions. [2023-12-16 11:27:54,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 1 states have call successors, (114), 1 states have call predecessors, (114), 1 states have return successors, (114), 1 states have call predecessors, (114), 1 states have call successors, (114) [2023-12-16 11:27:54,765 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 819 transitions. [2023-12-16 11:27:54,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 718 [2023-12-16 11:27:54,770 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:27:54,770 INFO L195 NwaCegarLoop]: trace histogram [114, 114, 114, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 11:27:54,824 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 [2023-12-16 11:27:54,970 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 [2023-12-16 11:27:54,971 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:27:54,971 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:27:54,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1976851791, now seen corresponding path program 1 times [2023-12-16 11:27:54,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:27:54,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2015785886] [2023-12-16 11:27:54,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:27:54,973 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 [2023-12-16 11:27:54,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:27:54,975 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) [2023-12-16 11:27:54,979 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 [2023-12-16 11:27:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:27:57,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 1158 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 11:27:57,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:27:58,287 INFO L134 CoverageAnalysis]: Checked inductivity of 25764 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25764 trivial. 0 not checked. [2023-12-16 11:27:58,288 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 11:27:58,288 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:27:58,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2015785886] [2023-12-16 11:27:58,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2015785886] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 11:27:58,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 11:27:58,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 11:27:58,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551656196] [2023-12-16 11:27:58,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 11:27:58,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 11:27:58,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:27:58,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 11:27:58,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 11:27:58,290 INFO L87 Difference]: Start difference. First operand 473 states and 819 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 1 states have call successors, (114), 1 states have call predecessors, (114), 1 states have return successors, (114), 1 states have call predecessors, (114), 1 states have call successors, (114) [2023-12-16 11:28:01,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 11:28:01,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 11:28:01,371 INFO L93 Difference]: Finished difference Result 952 states and 1642 transitions. [2023-12-16 11:28:01,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 11:28:01,375 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 1 states have call successors, (114), 1 states have call predecessors, (114), 1 states have return successors, (114), 1 states have call predecessors, (114), 1 states have call successors, (114) Word has length 717 [2023-12-16 11:28:01,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 11:28:01,378 INFO L225 Difference]: With dead ends: 952 [2023-12-16 11:28:01,378 INFO L226 Difference]: Without dead ends: 480 [2023-12-16 11:28:01,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 716 GetRequests, 715 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 11:28:01,380 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 248 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 1310 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-12-16 11:28:01,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 1310 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-12-16 11:28:01,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2023-12-16 11:28:01,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 397. [2023-12-16 11:28:01,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 280 states have (on average 1.6535714285714285) internal successors, (463), 280 states have internal predecessors, (463), 114 states have call successors, (114), 2 states have call predecessors, (114), 2 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2023-12-16 11:28:01,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 691 transitions. [2023-12-16 11:28:01,409 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 691 transitions. Word has length 717 [2023-12-16 11:28:01,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 11:28:01,410 INFO L495 AbstractCegarLoop]: Abstraction has 397 states and 691 transitions. [2023-12-16 11:28:01,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 1 states have call successors, (114), 1 states have call predecessors, (114), 1 states have return successors, (114), 1 states have call predecessors, (114), 1 states have call successors, (114) [2023-12-16 11:28:01,411 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 691 transitions. [2023-12-16 11:28:01,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 718 [2023-12-16 11:28:01,416 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:28:01,416 INFO L195 NwaCegarLoop]: trace histogram [114, 114, 114, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 11:28:01,471 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 [2023-12-16 11:28:01,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /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 [2023-12-16 11:28:01,632 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:28:01,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:28:01,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1479081843, now seen corresponding path program 1 times [2023-12-16 11:28:01,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:28:01,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [647909486] [2023-12-16 11:28:01,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:28:01,634 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 [2023-12-16 11:28:01,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:28:01,635 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 11:28:01,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-16 11:28:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:28:03,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 1157 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-16 11:28:03,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:28:11,779 INFO L134 CoverageAnalysis]: Checked inductivity of 25764 backedges. 12345 proven. 207 refuted. 0 times theorem prover too weak. 13212 trivial. 0 not checked. [2023-12-16 11:28:11,780 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 11:28:15,223 INFO L134 CoverageAnalysis]: Checked inductivity of 25764 backedges. 132 proven. 207 refuted. 0 times theorem prover too weak. 25425 trivial. 0 not checked. [2023-12-16 11:28:15,224 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:28:15,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [647909486] [2023-12-16 11:28:15,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [647909486] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 11:28:15,224 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 11:28:15,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2023-12-16 11:28:15,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520002791] [2023-12-16 11:28:15,224 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 11:28:15,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-16 11:28:15,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:28:15,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-16 11:28:15,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-12-16 11:28:15,227 INFO L87 Difference]: Start difference. First operand 397 states and 691 transitions. Second operand has 9 states, 9 states have (on average 19.11111111111111) internal successors, (172), 9 states have internal predecessors, (172), 2 states have call successors, (183), 2 states have call predecessors, (183), 4 states have return successors, (184), 2 states have call predecessors, (184), 2 states have call successors, (184) [2023-12-16 11:28:26,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] Received shutdown request... [2023-12-16 11:28:28,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-16 11:28:28,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1446 GetRequests, 1426 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=141, Invalid=279, Unknown=0, NotChecked=0, Total=420 [2023-12-16 11:28:28,074 INFO L413 NwaCegarLoop]: 409 mSDtfsCounter, 2321 mSDsluCounter, 1383 mSDsCounter, 0 mSdLazyCounter, 874 mSolverCounterSat, 221 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2364 SdHoareTripleChecker+Valid, 1792 SdHoareTripleChecker+Invalid, 1095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 221 IncrementalHoareTripleChecker+Valid, 874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2023-12-16 11:28:28,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2364 Valid, 1792 Invalid, 1095 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [221 Valid, 874 Invalid, 0 Unknown, 0 Unchecked, 11.7s Time] [2023-12-16 11:28:28,076 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 11:28:28,099 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 11:28:28,119 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 [2023-12-16 11:28:28,128 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 (5)] Ended with exit code 0 [2023-12-16 11:28:28,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /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 [2023-12-16 11:28:28,281 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (397states) and FLOYD_HOARE automaton (currently 17 states, 9 states before enhancement),while ReachableStatesComputation was computing reachable states (980 states constructed, input type IntersectNwa). [2023-12-16 11:28:28,284 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-16 11:28:28,286 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 11:28:28,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 11:28:28 BoogieIcfgContainer [2023-12-16 11:28:28,288 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 11:28:28,288 INFO L158 Benchmark]: Toolchain (without parser) took 75204.66ms. Allocated memory was 209.7MB in the beginning and 268.4MB in the end (delta: 58.7MB). Free memory was 166.4MB in the beginning and 168.6MB in the end (delta: -2.3MB). Peak memory consumption was 57.7MB. Max. memory is 8.0GB. [2023-12-16 11:28:28,288 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 209.7MB. Free memory is still 161.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 11:28:28,288 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.31ms. Allocated memory is still 209.7MB. Free memory was 166.0MB in the beginning and 134.5MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. [2023-12-16 11:28:28,289 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.31ms. Allocated memory is still 209.7MB. Free memory was 134.5MB in the beginning and 128.3MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-12-16 11:28:28,289 INFO L158 Benchmark]: Boogie Preprocessor took 106.62ms. Allocated memory is still 209.7MB. Free memory was 128.3MB in the beginning and 119.4MB in the end (delta: 9.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-12-16 11:28:28,289 INFO L158 Benchmark]: RCFGBuilder took 30406.16ms. Allocated memory was 209.7MB in the beginning and 268.4MB in the end (delta: 58.7MB). Free memory was 119.4MB in the beginning and 167.9MB in the end (delta: -48.5MB). Peak memory consumption was 28.0MB. Max. memory is 8.0GB. [2023-12-16 11:28:28,289 INFO L158 Benchmark]: TraceAbstraction took 44259.86ms. Allocated memory is still 268.4MB. Free memory was 167.4MB in the beginning and 168.6MB in the end (delta: -1.2MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 11:28:28,290 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 209.7MB. Free memory is still 161.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 353.31ms. Allocated memory is still 209.7MB. Free memory was 166.0MB in the beginning and 134.5MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 66.31ms. Allocated memory is still 209.7MB. Free memory was 134.5MB in the beginning and 128.3MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 106.62ms. Allocated memory is still 209.7MB. Free memory was 128.3MB in the beginning and 119.4MB in the end (delta: 9.0MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * RCFGBuilder took 30406.16ms. Allocated memory was 209.7MB in the beginning and 268.4MB in the end (delta: 58.7MB). Free memory was 119.4MB in the beginning and 167.9MB in the end (delta: -48.5MB). Peak memory consumption was 28.0MB. Max. memory is 8.0GB. * TraceAbstraction took 44259.86ms. Allocated memory is still 268.4MB. Free memory was 167.4MB in the beginning and 168.6MB in the end (delta: -1.2MB). There was no memory consumed. 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 constructing difference of abstraction (397states) and FLOYD_HOARE automaton (currently 17 states, 9 states before enhancement),while ReachableStatesComputation was computing reachable states (980 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 311 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 44.2s, OverallIterations: 4, TraceHistogramMax: 114, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 20.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2855 SdHoareTripleChecker+Valid, 19.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2812 mSDsluCounter, 4660 SdHoareTripleChecker+Invalid, 19.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2399 mSDsCounter, 230 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 925 IncrementalHoareTripleChecker+Invalid, 1155 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 230 mSolverCounterUnsat, 2261 mSDtfsCounter, 925 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3594 GetRequests, 3572 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=473occurred in iteration=2, InterpolantAutomatonStates: 8, 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, 3 MinimizatonAttempts, 86 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 7.9s SatisfiabilityAnalysisTime, 13.8s InterpolantComputationTime, 2868 NumberOfCodeBlocks, 2868 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 3580 ConstructedInterpolants, 0 QuantifiedInterpolants, 5456 SizeOfPredicates, 2 NumberOfNonLiveVariables, 4633 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 128406/128820 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