/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-61.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 13:20:36,154 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 13:20:36,233 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 13:20:36,237 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 13:20:36,238 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 13:20:36,263 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 13:20:36,263 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 13:20:36,264 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 13:20:36,264 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 13:20:36,268 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 13:20:36,268 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 13:20:36,269 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 13:20:36,269 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 13:20:36,271 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 13:20:36,271 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 13:20:36,271 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 13:20:36,271 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 13:20:36,272 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 13:20:36,272 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 13:20:36,272 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 13:20:36,272 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 13:20:36,273 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 13:20:36,273 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 13:20:36,273 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 13:20:36,273 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 13:20:36,273 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 13:20:36,274 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 13:20:36,274 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 13:20:36,274 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 13:20:36,274 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 13:20:36,275 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 13:20:36,275 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 13:20:36,276 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 13:20:36,276 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 13:20:36,276 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 13:20:36,276 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 13:20:36,276 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 13:20:36,276 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 13:20:36,277 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 13:20:36,277 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 13:20:36,277 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 13:20:36,277 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 13:20:36,277 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 13:20:36,277 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 13:20:36,278 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 13:20:36,278 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 13:20:36,278 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 13:20:36,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 13:20:36,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 13:20:36,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 13:20:36,539 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 13:20:36,539 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 13:20:36,540 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-61.i [2023-12-23 13:20:37,765 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 13:20:37,998 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 13:20:37,999 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-61.i [2023-12-23 13:20:38,006 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39532d42f/17640b786b7747fb97fe65f476cefe0e/FLAG2923ae48d [2023-12-23 13:20:38,016 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39532d42f/17640b786b7747fb97fe65f476cefe0e [2023-12-23 13:20:38,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 13:20:38,019 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 13:20:38,020 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 13:20:38,020 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 13:20:38,024 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 13:20:38,025 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:20:38" (1/1) ... [2023-12-23 13:20:38,026 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55fc4ee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:20:38, skipping insertion in model container [2023-12-23 13:20:38,026 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:20:38" (1/1) ... [2023-12-23 13:20:38,061 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 13:20:38,169 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-61.i[919,932] [2023-12-23 13:20:38,227 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 13:20:38,248 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 13:20:38,257 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-61.i[919,932] [2023-12-23 13:20:38,289 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 13:20:38,304 INFO L206 MainTranslator]: Completed translation [2023-12-23 13:20:38,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:20:38 WrapperNode [2023-12-23 13:20:38,304 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 13:20:38,305 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 13:20:38,305 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 13:20:38,305 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 13:20:38,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:20:38" (1/1) ... [2023-12-23 13:20:38,322 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:20:38" (1/1) ... [2023-12-23 13:20:38,350 INFO L138 Inliner]: procedures = 27, calls = 53, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 230 [2023-12-23 13:20:38,350 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 13:20:38,351 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 13:20:38,351 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 13:20:38,351 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 13:20:38,369 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:20:38" (1/1) ... [2023-12-23 13:20:38,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:20:38" (1/1) ... [2023-12-23 13:20:38,374 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:20:38" (1/1) ... [2023-12-23 13:20:38,398 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 13:20:38,399 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:20:38" (1/1) ... [2023-12-23 13:20:38,399 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:20:38" (1/1) ... [2023-12-23 13:20:38,408 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:20:38" (1/1) ... [2023-12-23 13:20:38,411 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:20:38" (1/1) ... [2023-12-23 13:20:38,413 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:20:38" (1/1) ... [2023-12-23 13:20:38,415 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:20:38" (1/1) ... [2023-12-23 13:20:38,419 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 13:20:38,434 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 13:20:38,434 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 13:20:38,434 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 13:20:38,435 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:20:38" (1/1) ... [2023-12-23 13:20:38,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 13:20:38,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 13:20:38,460 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 13:20:38,473 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 13:20:38,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 13:20:38,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 13:20:38,493 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 13:20:38,494 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 13:20:38,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 13:20:38,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 13:20:38,567 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 13:20:38,568 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 13:20:39,326 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 13:20:39,368 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 13:20:39,368 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 13:20:39,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:20:39 BoogieIcfgContainer [2023-12-23 13:20:39,369 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 13:20:39,371 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 13:20:39,371 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 13:20:39,374 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 13:20:39,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 01:20:38" (1/3) ... [2023-12-23 13:20:39,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eec0a09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:20:39, skipping insertion in model container [2023-12-23 13:20:39,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:20:38" (2/3) ... [2023-12-23 13:20:39,375 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eec0a09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:20:39, skipping insertion in model container [2023-12-23 13:20:39,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:20:39" (3/3) ... [2023-12-23 13:20:39,379 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-61.i [2023-12-23 13:20:39,394 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 13:20:39,395 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 13:20:39,444 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 13:20:39,450 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;@5f8b2022, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 13:20:39,450 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 13:20:39,454 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 60 states have (on average 1.4666666666666666) internal successors, (88), 61 states have internal predecessors, (88), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-12-23 13:20:39,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2023-12-23 13:20:39,473 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 13:20:39,473 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:20:39,474 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 13:20:39,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 13:20:39,478 INFO L85 PathProgramCache]: Analyzing trace with hash 172305706, now seen corresponding path program 1 times [2023-12-23 13:20:39,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 13:20:39,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [704917119] [2023-12-23 13:20:39,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 13:20:39,491 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 13:20:39,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 13:20:39,493 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 13:20:39,494 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 13:20:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 13:20:39,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 13:20:39,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 13:20:40,005 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 1310 proven. 0 refuted. 0 times theorem prover too weak. 1810 trivial. 0 not checked. [2023-12-23 13:20:40,006 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 13:20:40,007 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 13:20:40,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [704917119] [2023-12-23 13:20:40,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [704917119] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 13:20:40,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 13:20:40,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 13:20:40,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151695393] [2023-12-23 13:20:40,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 13:20:40,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 13:20:40,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 13:20:40,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 13:20:40,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 13:20:40,039 INFO L87 Difference]: Start difference. First operand has 103 states, 60 states have (on average 1.4666666666666666) internal successors, (88), 61 states have internal predecessors, (88), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-12-23 13:20:40,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 13:20:40,195 INFO L93 Difference]: Finished difference Result 203 states and 374 transitions. [2023-12-23 13:20:40,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 13:20:40,210 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 246 [2023-12-23 13:20:40,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 13:20:40,216 INFO L225 Difference]: With dead ends: 203 [2023-12-23 13:20:40,216 INFO L226 Difference]: Without dead ends: 101 [2023-12-23 13:20:40,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 13:20:40,222 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-23 13:20:40,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 160 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-23 13:20:40,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-12-23 13:20:40,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2023-12-23 13:20:40,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 59 states have (on average 1.4067796610169492) internal successors, (83), 59 states have internal predecessors, (83), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-12-23 13:20:40,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 163 transitions. [2023-12-23 13:20:40,289 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 163 transitions. Word has length 246 [2023-12-23 13:20:40,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 13:20:40,289 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 163 transitions. [2023-12-23 13:20:40,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-12-23 13:20:40,290 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 163 transitions. [2023-12-23 13:20:40,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2023-12-23 13:20:40,295 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 13:20:40,295 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:20:40,311 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 13:20:40,508 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 13:20:40,509 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 13:20:40,509 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 13:20:40,510 INFO L85 PathProgramCache]: Analyzing trace with hash 446418670, now seen corresponding path program 1 times [2023-12-23 13:20:40,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 13:20:40,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1579284851] [2023-12-23 13:20:40,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 13:20:40,511 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 13:20:40,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 13:20:40,513 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 13:20:40,518 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 13:20:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 13:20:40,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-23 13:20:40,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 13:20:41,437 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-12-23 13:20:41,438 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 13:20:41,438 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 13:20:41,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1579284851] [2023-12-23 13:20:41,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1579284851] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 13:20:41,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 13:20:41,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-23 13:20:41,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622283932] [2023-12-23 13:20:41,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 13:20:41,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-23 13:20:41,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 13:20:41,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-23 13:20:41,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-23 13:20:41,442 INFO L87 Difference]: Start difference. First operand 101 states and 163 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-12-23 13:20:42,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 13:20:42,487 INFO L93 Difference]: Finished difference Result 328 states and 532 transitions. [2023-12-23 13:20:42,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-23 13:20:42,505 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 246 [2023-12-23 13:20:42,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 13:20:42,510 INFO L225 Difference]: With dead ends: 328 [2023-12-23 13:20:42,510 INFO L226 Difference]: Without dead ends: 228 [2023-12-23 13:20:42,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-23 13:20:42,512 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 187 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-23 13:20:42,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 530 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-23 13:20:42,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2023-12-23 13:20:42,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 199. [2023-12-23 13:20:42,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 116 states have (on average 1.4051724137931034) internal successors, (163), 116 states have internal predecessors, (163), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2023-12-23 13:20:42,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 323 transitions. [2023-12-23 13:20:42,553 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 323 transitions. Word has length 246 [2023-12-23 13:20:42,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 13:20:42,554 INFO L495 AbstractCegarLoop]: Abstraction has 199 states and 323 transitions. [2023-12-23 13:20:42,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-12-23 13:20:42,554 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 323 transitions. [2023-12-23 13:20:42,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2023-12-23 13:20:42,558 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 13:20:42,559 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:20:42,571 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 13:20:42,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 13:20:42,769 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 13:20:42,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 13:20:42,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1359019664, now seen corresponding path program 1 times [2023-12-23 13:20:42,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 13:20:42,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [717105200] [2023-12-23 13:20:42,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 13:20:42,771 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 13:20:42,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 13:20:42,772 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 13:20:42,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-23 13:20:43,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 13:20:43,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-23 13:20:43,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 13:20:43,512 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-12-23 13:20:43,512 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 13:20:43,512 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 13:20:43,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [717105200] [2023-12-23 13:20:43,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [717105200] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 13:20:43,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 13:20:43,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-23 13:20:43,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166432262] [2023-12-23 13:20:43,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 13:20:43,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-23 13:20:43,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 13:20:43,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-23 13:20:43,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-23 13:20:43,515 INFO L87 Difference]: Start difference. First operand 199 states and 323 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-12-23 13:20:44,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 13:20:44,127 INFO L93 Difference]: Finished difference Result 201 states and 324 transitions. [2023-12-23 13:20:44,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-23 13:20:44,147 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 246 [2023-12-23 13:20:44,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 13:20:44,149 INFO L225 Difference]: With dead ends: 201 [2023-12-23 13:20:44,149 INFO L226 Difference]: Without dead ends: 101 [2023-12-23 13:20:44,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-23 13:20:44,151 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 88 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-23 13:20:44,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 185 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-23 13:20:44,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-12-23 13:20:44,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2023-12-23 13:20:44,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 59 states have (on average 1.3728813559322033) internal successors, (81), 59 states have internal predecessors, (81), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-12-23 13:20:44,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 161 transitions. [2023-12-23 13:20:44,181 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 161 transitions. Word has length 246 [2023-12-23 13:20:44,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 13:20:44,183 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 161 transitions. [2023-12-23 13:20:44,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-12-23 13:20:44,185 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 161 transitions. [2023-12-23 13:20:44,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2023-12-23 13:20:44,189 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 13:20:44,189 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:20:44,205 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-23 13:20:44,402 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 [2023-12-23 13:20:44,402 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 13:20:44,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 13:20:44,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1914879278, now seen corresponding path program 1 times [2023-12-23 13:20:44,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 13:20:44,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1065533435] [2023-12-23 13:20:44,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 13:20:44,405 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 13:20:44,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 13:20:44,407 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) [2023-12-23 13:20:44,424 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 [2023-12-23 13:20:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 13:20:44,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-23 13:20:44,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 13:20:45,208 INFO L134 CoverageAnalysis]: Checked inductivity of 3120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3120 trivial. 0 not checked. [2023-12-23 13:20:45,208 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 13:20:45,209 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 13:20:45,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1065533435] [2023-12-23 13:20:45,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1065533435] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 13:20:45,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 13:20:45,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 13:20:45,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645236264] [2023-12-23 13:20:45,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 13:20:45,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-23 13:20:45,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 13:20:45,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-23 13:20:45,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-23 13:20:45,211 INFO L87 Difference]: Start difference. First operand 101 states and 161 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-12-23 13:20:45,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 13:20:45,647 INFO L93 Difference]: Finished difference Result 301 states and 481 transitions. [2023-12-23 13:20:45,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-23 13:20:45,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) Word has length 246 [2023-12-23 13:20:45,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 13:20:45,650 INFO L225 Difference]: With dead ends: 301 [2023-12-23 13:20:45,650 INFO L226 Difference]: Without dead ends: 201 [2023-12-23 13:20:45,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 244 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 13:20:45,652 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 36 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-23 13:20:45,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 314 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-23 13:20:45,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2023-12-23 13:20:45,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 198. [2023-12-23 13:20:45,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 115 states have (on average 1.3652173913043477) internal successors, (157), 115 states have internal predecessors, (157), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2023-12-23 13:20:45,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 317 transitions. [2023-12-23 13:20:45,693 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 317 transitions. Word has length 246 [2023-12-23 13:20:45,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 13:20:45,694 INFO L495 AbstractCegarLoop]: Abstraction has 198 states and 317 transitions. [2023-12-23 13:20:45,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 1 states have call predecessors, (40), 1 states have call successors, (40) [2023-12-23 13:20:45,694 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 317 transitions. [2023-12-23 13:20:45,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2023-12-23 13:20:45,697 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 13:20:45,698 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:20:45,712 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 (5)] Forceful destruction successful, exit code 0 [2023-12-23 13:20:45,909 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 [2023-12-23 13:20:45,909 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 13:20:45,910 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 13:20:45,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1105532652, now seen corresponding path program 1 times [2023-12-23 13:20:45,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 13:20:45,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1442996587] [2023-12-23 13:20:45,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 13:20:45,911 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 13:20:45,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 13:20:45,912 INFO L229 MonitoredProcess]: Starting monitored process 6 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 13:20:45,914 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 (6)] Waiting until timeout for monitored process [2023-12-23 13:20:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 13:20:46,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-23 13:20:46,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2023-12-23 13:35:11,474 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 13:35:11,475 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 (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 13:35:11,527 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-23 13:35:11,540 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 (6)] Forceful destruction successful, exit code 0 [2023-12-23 13:35:11,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /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 13:35:11,740 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 247 with TraceHistMax 40,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-18-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-72-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-3-3-2-3-3-3-2-3-3-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-2-2-2-1 context. [2023-12-23 13:35:11,745 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-12-23 13:35:11,747 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-23 13:35:11,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 01:35:11 BoogieIcfgContainer [2023-12-23 13:35:11,751 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-23 13:35:11,752 INFO L158 Benchmark]: Toolchain (without parser) took 873732.41ms. Allocated memory was 208.7MB in the beginning and 985.7MB in the end (delta: 777.0MB). Free memory was 161.8MB in the beginning and 525.7MB in the end (delta: -363.9MB). Peak memory consumption was 589.3MB. Max. memory is 8.0GB. [2023-12-23 13:35:11,752 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 208.7MB. Free memory is still 166.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-23 13:35:11,752 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.32ms. Allocated memory is still 208.7MB. Free memory was 161.8MB in the beginning and 145.5MB in the end (delta: 16.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-12-23 13:35:11,752 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.19ms. Allocated memory is still 208.7MB. Free memory was 145.5MB in the beginning and 142.9MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-23 13:35:11,753 INFO L158 Benchmark]: Boogie Preprocessor took 67.79ms. Allocated memory is still 208.7MB. Free memory was 142.9MB in the beginning and 139.2MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-23 13:35:11,753 INFO L158 Benchmark]: RCFGBuilder took 935.05ms. Allocated memory is still 208.7MB. Free memory was 139.2MB in the beginning and 112.5MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2023-12-23 13:35:11,753 INFO L158 Benchmark]: TraceAbstraction took 872380.10ms. Allocated memory was 208.7MB in the beginning and 985.7MB in the end (delta: 777.0MB). Free memory was 111.4MB in the beginning and 525.7MB in the end (delta: -414.2MB). Peak memory consumption was 538.9MB. Max. memory is 8.0GB. [2023-12-23 13:35:11,755 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 208.7MB. Free memory is still 166.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 284.32ms. Allocated memory is still 208.7MB. Free memory was 161.8MB in the beginning and 145.5MB in the end (delta: 16.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.19ms. Allocated memory is still 208.7MB. Free memory was 145.5MB in the beginning and 142.9MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 67.79ms. Allocated memory is still 208.7MB. Free memory was 142.9MB in the beginning and 139.2MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 935.05ms. Allocated memory is still 208.7MB. Free memory was 139.2MB in the beginning and 112.5MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * TraceAbstraction took 872380.10ms. Allocated memory was 208.7MB in the beginning and 985.7MB in the end (delta: 777.0MB). Free memory was 111.4MB in the beginning and 525.7MB in the end (delta: -414.2MB). Peak memory consumption was 538.9MB. 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 247 with TraceHistMax 40,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-18-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-72-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-3-3-2-3-3-3-2-3-3-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-3-2-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 103 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 872.3s, OverallIterations: 5, TraceHistogramMax: 40, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 311 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 311 mSDsluCounter, 1189 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 525 mSDsCounter, 82 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 226 IncrementalHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 82 mSolverCounterUnsat, 664 mSDtfsCounter, 226 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 982 GetRequests, 974 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=199occurred in iteration=2, InterpolantAutomatonStates: 15, 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, 4 MinimizatonAttempts, 32 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 984 NumberOfCodeBlocks, 984 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 980 ConstructedInterpolants, 0 QuantifiedInterpolants, 2820 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1569 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12480/12480 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