/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/eca-programs/Problem101_label23.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-22 18:28:14,934 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-22 18:28:14,969 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-22 18:28:14,971 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-22 18:28:14,972 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-22 18:28:14,985 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-22 18:28:14,985 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-22 18:28:14,985 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-22 18:28:14,986 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-22 18:28:14,986 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-22 18:28:14,986 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-22 18:28:14,987 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-22 18:28:14,987 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-22 18:28:14,987 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-22 18:28:14,987 INFO L153 SettingsManager]: * Use SBE=true [2023-12-22 18:28:14,988 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-22 18:28:14,988 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-22 18:28:14,988 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-22 18:28:14,988 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-22 18:28:14,989 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-22 18:28:14,989 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-22 18:28:14,989 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-22 18:28:14,989 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-22 18:28:14,990 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-22 18:28:14,990 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-22 18:28:14,990 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-22 18:28:14,990 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-22 18:28:14,991 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-22 18:28:14,991 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-22 18:28:14,991 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-22 18:28:14,991 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-22 18:28:14,991 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-22 18:28:14,991 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-22 18:28:14,992 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-22 18:28:14,992 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-22 18:28:14,992 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-22 18:28:14,992 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-22 18:28:14,992 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-22 18:28:14,993 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-22 18:28:14,993 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-22 18:28:14,993 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-22 18:28:14,993 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-22 18:28:14,993 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-22 18:28:14,993 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-22 18:28:14,994 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-22 18:28:14,994 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-22 18:28:14,994 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-22 18:28:15,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-22 18:28:15,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-22 18:28:15,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-22 18:28:15,172 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-22 18:28:15,172 INFO L274 PluginConnector]: CDTParser initialized [2023-12-22 18:28:15,173 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-programs/Problem101_label23.c [2023-12-22 18:28:16,256 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-22 18:28:17,498 INFO L384 CDTParser]: Found 1 translation units. [2023-12-22 18:28:17,498 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-programs/Problem101_label23.c [2023-12-22 18:28:17,589 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e94e00793/730ccadc9fab4aab894c777efed5a84f/FLAG8110dfb63 [2023-12-22 18:28:17,598 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e94e00793/730ccadc9fab4aab894c777efed5a84f [2023-12-22 18:28:17,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-22 18:28:17,602 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-22 18:28:17,604 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-22 18:28:17,604 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-22 18:28:17,608 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-22 18:28:17,608 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:28:17" (1/1) ... [2023-12-22 18:28:17,609 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66403e7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:28:17, skipping insertion in model container [2023-12-22 18:28:17,609 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:28:17" (1/1) ... [2023-12-22 18:28:18,215 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-22 18:28:25,100 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-programs/Problem101_label23.c[2766456,2766469] [2023-12-22 18:28:25,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-22 18:28:25,161 INFO L202 MainTranslator]: Completed pre-run [2023-12-22 18:28:29,161 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-programs/Problem101_label23.c[2766456,2766469] [2023-12-22 18:28:29,171 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-22 18:28:29,819 INFO L206 MainTranslator]: Completed translation [2023-12-22 18:28:29,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:28:29 WrapperNode [2023-12-22 18:28:29,822 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-22 18:28:29,823 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-22 18:28:29,835 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-22 18:28:29,838 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-22 18:28:29,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:28:29" (1/1) ... [2023-12-22 18:28:30,449 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:28:29" (1/1) ... [2023-12-22 18:28:32,218 INFO L138 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83779 [2023-12-22 18:28:32,219 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-22 18:28:32,219 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-22 18:28:32,219 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-22 18:28:32,219 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-22 18:28:32,226 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:28:29" (1/1) ... [2023-12-22 18:28:32,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:28:29" (1/1) ... [2023-12-22 18:28:32,587 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:28:29" (1/1) ... [2023-12-22 18:28:32,921 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]. [2023-12-22 18:28:32,921 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:28:29" (1/1) ... [2023-12-22 18:28:32,922 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:28:29" (1/1) ... [2023-12-22 18:28:33,673 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:28:29" (1/1) ... [2023-12-22 18:28:33,806 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:28:29" (1/1) ... [2023-12-22 18:28:33,907 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:28:29" (1/1) ... [2023-12-22 18:28:33,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:28:29" (1/1) ... [2023-12-22 18:28:34,338 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-22 18:28:34,339 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-22 18:28:34,339 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-22 18:28:34,339 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-22 18:28:34,339 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:28:29" (1/1) ... [2023-12-22 18:28:34,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-22 18:28:34,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-22 18:28:34,390 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) [2023-12-22 18:28:34,417 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 [2023-12-22 18:28:34,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-22 18:28:34,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-22 18:28:34,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-22 18:28:34,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-22 18:28:34,560 INFO L241 CfgBuilder]: Building ICFG [2023-12-22 18:28:34,562 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-22 18:29:18,444 INFO L282 CfgBuilder]: Performing block encoding [2023-12-22 18:29:18,743 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-22 18:29:18,744 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-22 18:29:18,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:29:18 BoogieIcfgContainer [2023-12-22 18:29:18,744 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-22 18:29:18,746 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-22 18:29:18,746 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-22 18:29:18,748 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-22 18:29:18,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:28:17" (1/3) ... [2023-12-22 18:29:18,748 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ac6d42c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:29:18, skipping insertion in model container [2023-12-22 18:29:18,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:28:29" (2/3) ... [2023-12-22 18:29:18,749 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ac6d42c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:29:18, skipping insertion in model container [2023-12-22 18:29:18,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:29:18" (3/3) ... [2023-12-22 18:29:18,749 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem101_label23.c [2023-12-22 18:29:18,760 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-22 18:29:18,760 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-22 18:29:18,862 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-22 18:29:18,867 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;@4dd7dfad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-22 18:29:18,867 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-22 18:29:18,894 INFO L276 IsEmpty]: Start isEmpty. Operand has 10195 states, 10193 states have (on average 1.9952908859020897) internal successors, (20338), 10194 states have internal predecessors, (20338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 18:29:19,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10086 [2023-12-22 18:29:19,504 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 18:29:19,509 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 18:29:19,510 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 18:29:19,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 18:29:19,516 INFO L85 PathProgramCache]: Analyzing trace with hash 35786962, now seen corresponding path program 1 times [2023-12-22 18:29:19,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 18:29:19,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [322654498] [2023-12-22 18:29:19,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 18:29:19,602 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 [2023-12-22 18:29:19,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 18:29:19,604 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) [2023-12-22 18:29:19,609 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 [2023-12-22 18:29:23,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 18:29:23,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 10228 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 18:29:23,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 18:29:35,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 18:29:35,082 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 18:29:35,083 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 18:29:35,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [322654498] [2023-12-22 18:29:35,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [322654498] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 18:29:35,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 18:29:35,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-22 18:29:35,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921607130] [2023-12-22 18:29:35,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 18:29:35,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 18:29:35,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 18:29:35,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 18:29:35,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 18:29:35,153 INFO L87 Difference]: Start difference. First operand has 10195 states, 10193 states have (on average 1.9952908859020897) internal successors, (20338), 10194 states have internal predecessors, (20338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3361.6666666666665) internal successors, (10085), 2 states have internal predecessors, (10085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 18:30:21,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 18:30:21,726 INFO L93 Difference]: Finished difference Result 30581 states and 61010 transitions. [2023-12-22 18:30:21,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 18:30:21,735 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3361.6666666666665) internal successors, (10085), 2 states have internal predecessors, (10085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10085 [2023-12-22 18:30:21,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 18:30:21,930 INFO L225 Difference]: With dead ends: 30581 [2023-12-22 18:30:21,931 INFO L226 Difference]: Without dead ends: 20383 [2023-12-22 18:30:21,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10084 GetRequests, 10083 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 18:30:21,972 INFO L413 NwaCegarLoop]: 7700 mSDtfsCounter, 410 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 31108 mSolverCounterSat, 9500 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 7751 SdHoareTripleChecker+Invalid, 40608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9500 IncrementalHoareTripleChecker+Valid, 31108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.9s IncrementalHoareTripleChecker+Time [2023-12-22 18:30:21,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 7751 Invalid, 40608 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9500 Valid, 31108 Invalid, 0 Unknown, 0 Unchecked, 45.9s Time] [2023-12-22 18:30:22,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20383 states. [2023-12-22 18:30:22,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20383 to 20383. [2023-12-22 18:30:22,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20383 states, 20382 states have (on average 1.6155921891865372) internal successors, (32929), 20382 states have internal predecessors, (32929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 18:30:22,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20383 states to 20383 states and 32929 transitions. [2023-12-22 18:30:22,594 INFO L78 Accepts]: Start accepts. Automaton has 20383 states and 32929 transitions. Word has length 10085 [2023-12-22 18:30:22,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 18:30:22,607 INFO L495 AbstractCegarLoop]: Abstraction has 20383 states and 32929 transitions. [2023-12-22 18:30:22,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3361.6666666666665) internal successors, (10085), 2 states have internal predecessors, (10085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 18:30:22,610 INFO L276 IsEmpty]: Start isEmpty. Operand 20383 states and 32929 transitions. [2023-12-22 18:30:23,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10090 [2023-12-22 18:30:23,400 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 18:30:23,403 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 18:30:23,423 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 [2023-12-22 18:30:23,616 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 [2023-12-22 18:30:23,617 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 18:30:23,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 18:30:23,621 INFO L85 PathProgramCache]: Analyzing trace with hash -506479366, now seen corresponding path program 1 times [2023-12-22 18:30:23,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 18:30:23,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [919586319] [2023-12-22 18:30:23,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 18:30:23,689 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 [2023-12-22 18:30:23,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 18:30:23,690 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) [2023-12-22 18:30:23,694 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 [2023-12-22 18:30:27,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 18:30:27,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 10258 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 18:30:27,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 18:30:27,893 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 18:30:27,893 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 18:30:27,893 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 18:30:27,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [919586319] [2023-12-22 18:30:27,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [919586319] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 18:30:27,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 18:30:27,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-22 18:30:27,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372885925] [2023-12-22 18:30:27,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 18:30:27,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 18:30:27,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 18:30:27,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 18:30:27,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 18:30:27,944 INFO L87 Difference]: Start difference. First operand 20383 states and 32929 transitions. Second operand has 3 states, 3 states have (on average 3363.0) internal successors, (10089), 2 states have internal predecessors, (10089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 18:31:12,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 18:31:12,814 INFO L93 Difference]: Finished difference Result 61145 states and 98784 transitions. [2023-12-22 18:31:12,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 18:31:12,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3363.0) internal successors, (10089), 2 states have internal predecessors, (10089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10089 [2023-12-22 18:31:12,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 18:31:12,948 INFO L225 Difference]: With dead ends: 61145 [2023-12-22 18:31:12,948 INFO L226 Difference]: Without dead ends: 40763 [2023-12-22 18:31:12,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10088 GetRequests, 10087 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 18:31:12,991 INFO L413 NwaCegarLoop]: 5080 mSDtfsCounter, 13140 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 29482 mSolverCounterSat, 11039 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13140 SdHoareTripleChecker+Valid, 5129 SdHoareTripleChecker+Invalid, 40521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11039 IncrementalHoareTripleChecker+Valid, 29482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.1s IncrementalHoareTripleChecker+Time [2023-12-22 18:31:12,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13140 Valid, 5129 Invalid, 40521 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11039 Valid, 29482 Invalid, 0 Unknown, 0 Unchecked, 44.1s Time] [2023-12-22 18:31:13,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40763 states. [2023-12-22 18:31:13,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40763 to 40763. [2023-12-22 18:31:13,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40763 states, 40762 states have (on average 1.4628330307639468) internal successors, (59628), 40762 states have internal predecessors, (59628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 18:31:13,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40763 states to 40763 states and 59628 transitions. [2023-12-22 18:31:13,473 INFO L78 Accepts]: Start accepts. Automaton has 40763 states and 59628 transitions. Word has length 10089 [2023-12-22 18:31:13,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 18:31:13,474 INFO L495 AbstractCegarLoop]: Abstraction has 40763 states and 59628 transitions. [2023-12-22 18:31:13,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3363.0) internal successors, (10089), 2 states have internal predecessors, (10089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 18:31:13,477 INFO L276 IsEmpty]: Start isEmpty. Operand 40763 states and 59628 transitions. [2023-12-22 18:31:14,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10093 [2023-12-22 18:31:14,427 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 18:31:14,431 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 18:31:14,446 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 (3)] Ended with exit code 0 [2023-12-22 18:31:14,644 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 [2023-12-22 18:31:14,645 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 18:31:14,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 18:31:14,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1897274139, now seen corresponding path program 1 times [2023-12-22 18:31:14,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 18:31:14,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1463152574] [2023-12-22 18:31:14,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 18:31:14,733 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 [2023-12-22 18:31:14,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 18:31:14,735 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) [2023-12-22 18:31:14,736 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 [2023-12-22 18:31:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 18:31:18,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 10261 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 18:31:18,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 18:31:18,389 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 18:31:18,389 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 18:31:18,389 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 18:31:18,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1463152574] [2023-12-22 18:31:18,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1463152574] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 18:31:18,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 18:31:18,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-22 18:31:18,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986332607] [2023-12-22 18:31:18,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 18:31:18,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 18:31:18,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 18:31:18,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 18:31:18,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 18:31:18,408 INFO L87 Difference]: Start difference. First operand 40763 states and 59628 transitions. Second operand has 3 states, 3 states have (on average 3364.0) internal successors, (10092), 2 states have internal predecessors, (10092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 18:32:07,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 18:32:07,314 INFO L93 Difference]: Finished difference Result 122285 states and 178881 transitions. [2023-12-22 18:32:07,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 18:32:07,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3364.0) internal successors, (10092), 2 states have internal predecessors, (10092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10092 [2023-12-22 18:32:07,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 18:32:07,449 INFO L225 Difference]: With dead ends: 122285 [2023-12-22 18:32:07,449 INFO L226 Difference]: Without dead ends: 81523 [2023-12-22 18:32:07,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10091 GetRequests, 10090 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 18:32:07,486 INFO L413 NwaCegarLoop]: 9708 mSDtfsCounter, 10193 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 35896 mSolverCounterSat, 7636 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10193 SdHoareTripleChecker+Valid, 9758 SdHoareTripleChecker+Invalid, 43532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7636 IncrementalHoareTripleChecker+Valid, 35896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.0s IncrementalHoareTripleChecker+Time [2023-12-22 18:32:07,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10193 Valid, 9758 Invalid, 43532 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7636 Valid, 35896 Invalid, 0 Unknown, 0 Unchecked, 48.0s Time] [2023-12-22 18:32:07,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81523 states. [2023-12-22 18:32:08,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81523 to 81523. [2023-12-22 18:32:08,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81523 states, 81522 states have (on average 1.3229067000318933) internal successors, (107846), 81522 states have internal predecessors, (107846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 18:32:08,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81523 states to 81523 states and 107846 transitions. [2023-12-22 18:32:08,629 INFO L78 Accepts]: Start accepts. Automaton has 81523 states and 107846 transitions. Word has length 10092 [2023-12-22 18:32:08,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 18:32:08,630 INFO L495 AbstractCegarLoop]: Abstraction has 81523 states and 107846 transitions. [2023-12-22 18:32:08,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3364.0) internal successors, (10092), 2 states have internal predecessors, (10092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 18:32:08,633 INFO L276 IsEmpty]: Start isEmpty. Operand 81523 states and 107846 transitions. [2023-12-22 18:32:09,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10102 [2023-12-22 18:32:09,463 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 18:32:09,466 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 18:32:09,482 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 (4)] Ended with exit code 0 [2023-12-22 18:32:09,681 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 [2023-12-22 18:32:09,682 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 18:32:09,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 18:32:09,685 INFO L85 PathProgramCache]: Analyzing trace with hash 239382428, now seen corresponding path program 1 times [2023-12-22 18:32:09,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 18:32:09,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [619272326] [2023-12-22 18:32:09,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 18:32:09,744 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-22 18:32:09,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 18:32:09,745 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) [2023-12-22 18:32:09,783 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 [2023-12-22 18:32:13,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 18:32:13,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 10270 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 18:32:13,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 18:32:13,426 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 18:32:13,426 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 18:32:13,426 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 18:32:13,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [619272326] [2023-12-22 18:32:13,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [619272326] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 18:32:13,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 18:32:13,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-22 18:32:13,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569003620] [2023-12-22 18:32:13,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 18:32:13,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 18:32:13,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 18:32:13,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 18:32:13,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 18:32:13,447 INFO L87 Difference]: Start difference. First operand 81523 states and 107846 transitions. Second operand has 3 states, 3 states have (on average 3367.0) internal successors, (10101), 2 states have internal predecessors, (10101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 18:33:00,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 18:33:00,731 INFO L93 Difference]: Finished difference Result 244565 states and 323535 transitions. [2023-12-22 18:33:00,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 18:33:00,733 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3367.0) internal successors, (10101), 2 states have internal predecessors, (10101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10101 [2023-12-22 18:33:00,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 18:33:00,985 INFO L225 Difference]: With dead ends: 244565 [2023-12-22 18:33:00,985 INFO L226 Difference]: Without dead ends: 163043 [2023-12-22 18:33:01,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10100 GetRequests, 10099 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 18:33:01,186 INFO L413 NwaCegarLoop]: 6794 mSDtfsCounter, 12047 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 30277 mSolverCounterSat, 11116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12047 SdHoareTripleChecker+Valid, 6843 SdHoareTripleChecker+Invalid, 41393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11116 IncrementalHoareTripleChecker+Valid, 30277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.0s IncrementalHoareTripleChecker+Time [2023-12-22 18:33:01,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12047 Valid, 6843 Invalid, 41393 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11116 Valid, 30277 Invalid, 0 Unknown, 0 Unchecked, 46.0s Time] [2023-12-22 18:33:01,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163043 states. [2023-12-22 18:33:02,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163043 to 163043. [2023-12-22 18:33:02,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163043 states, 163042 states have (on average 1.2460347640485274) internal successors, (203156), 163042 states have internal predecessors, (203156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 18:33:03,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163043 states to 163043 states and 203156 transitions. [2023-12-22 18:33:03,247 INFO L78 Accepts]: Start accepts. Automaton has 163043 states and 203156 transitions. Word has length 10101 [2023-12-22 18:33:03,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 18:33:03,248 INFO L495 AbstractCegarLoop]: Abstraction has 163043 states and 203156 transitions. [2023-12-22 18:33:03,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3367.0) internal successors, (10101), 2 states have internal predecessors, (10101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 18:33:03,250 INFO L276 IsEmpty]: Start isEmpty. Operand 163043 states and 203156 transitions. [2023-12-22 18:33:04,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10134 [2023-12-22 18:33:04,309 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 18:33:04,312 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 18:33:04,348 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 [2023-12-22 18:33:04,530 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 [2023-12-22 18:33:04,530 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 18:33:04,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 18:33:04,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1832588113, now seen corresponding path program 1 times [2023-12-22 18:33:04,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 18:33:04,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [327743898] [2023-12-22 18:33:04,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 18:33:04,611 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 [2023-12-22 18:33:04,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 18:33:04,612 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) [2023-12-22 18:33:04,656 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 [2023-12-22 18:33:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 18:33:08,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 10323 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 18:33:08,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 18:33:08,456 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-22 18:33:08,457 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 18:33:08,457 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 18:33:08,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [327743898] [2023-12-22 18:33:08,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [327743898] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 18:33:08,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 18:33:08,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-22 18:33:08,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254820786] [2023-12-22 18:33:08,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 18:33:08,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 18:33:08,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 18:33:08,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 18:33:08,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 18:33:08,473 INFO L87 Difference]: Start difference. First operand 163043 states and 203156 transitions. Second operand has 3 states, 3 states have (on average 3376.3333333333335) internal successors, (10129), 2 states have internal predecessors, (10129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 18:33:55,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 18:33:55,216 INFO L93 Difference]: Finished difference Result 489125 states and 609465 transitions. [2023-12-22 18:33:55,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 18:33:55,219 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3376.3333333333335) internal successors, (10129), 2 states have internal predecessors, (10129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10133 [2023-12-22 18:33:55,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 18:33:55,639 INFO L225 Difference]: With dead ends: 489125 [2023-12-22 18:33:55,639 INFO L226 Difference]: Without dead ends: 326083 [2023-12-22 18:33:55,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10132 GetRequests, 10131 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 18:33:55,767 INFO L413 NwaCegarLoop]: 7486 mSDtfsCounter, 12002 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 29535 mSolverCounterSat, 11758 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12002 SdHoareTripleChecker+Valid, 7535 SdHoareTripleChecker+Invalid, 41293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11758 IncrementalHoareTripleChecker+Valid, 29535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.7s IncrementalHoareTripleChecker+Time [2023-12-22 18:33:55,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12002 Valid, 7535 Invalid, 41293 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11758 Valid, 29535 Invalid, 0 Unknown, 0 Unchecked, 44.7s Time] [2023-12-22 18:33:56,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326083 states. [2023-12-22 18:33:59,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326083 to 326083. [2023-12-22 18:33:59,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326083 states, 326082 states have (on average 1.1878913892824505) internal successors, (387350), 326082 states have internal predecessors, (387350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 18:34:00,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326083 states to 326083 states and 387350 transitions. [2023-12-22 18:34:00,128 INFO L78 Accepts]: Start accepts. Automaton has 326083 states and 387350 transitions. Word has length 10133 [2023-12-22 18:34:00,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 18:34:00,129 INFO L495 AbstractCegarLoop]: Abstraction has 326083 states and 387350 transitions. [2023-12-22 18:34:00,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3376.3333333333335) internal successors, (10129), 2 states have internal predecessors, (10129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 18:34:00,131 INFO L276 IsEmpty]: Start isEmpty. Operand 326083 states and 387350 transitions. [2023-12-22 18:34:01,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10140 [2023-12-22 18:34:01,221 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 18:34:01,223 INFO L195 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 18:34:01,251 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 [2023-12-22 18:34:01,437 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 [2023-12-22 18:34:01,438 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 18:34:01,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 18:34:01,440 INFO L85 PathProgramCache]: Analyzing trace with hash 152128669, now seen corresponding path program 1 times [2023-12-22 18:34:01,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 18:34:01,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [433556629] [2023-12-22 18:34:01,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 18:34:01,499 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 [2023-12-22 18:34:01,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 18:34:01,501 INFO L229 MonitoredProcess]: Starting monitored process 7 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) [2023-12-22 18:34:01,501 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 (7)] Waiting until timeout for monitored process [2023-12-22 18:34:05,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 18:34:05,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 10307 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 18:34:05,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 18:34:05,573 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-22 18:34:05,573 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 18:34:05,574 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 18:34:05,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [433556629] [2023-12-22 18:34:05,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [433556629] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 18:34:05,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 18:34:05,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-22 18:34:05,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524353106] [2023-12-22 18:34:05,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 18:34:05,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 18:34:05,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 18:34:05,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 18:34:05,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 18:34:05,625 INFO L87 Difference]: Start difference. First operand 326083 states and 387350 transitions. Second operand has 3 states, 3 states have (on average 3379.6666666666665) internal successors, (10139), 2 states have internal predecessors, (10139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 18:34:56,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 18:34:56,618 INFO L93 Difference]: Finished difference Result 978245 states and 1162047 transitions. [2023-12-22 18:34:56,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 18:34:56,621 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3379.6666666666665) internal successors, (10139), 2 states have internal predecessors, (10139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10139 [2023-12-22 18:34:56,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 18:34:58,087 INFO L225 Difference]: With dead ends: 978245 [2023-12-22 18:34:58,087 INFO L226 Difference]: Without dead ends: 652163 [2023-12-22 18:34:58,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10138 GetRequests, 10137 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 18:34:58,370 INFO L413 NwaCegarLoop]: 8867 mSDtfsCounter, 11247 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 28130 mSolverCounterSat, 13030 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11247 SdHoareTripleChecker+Valid, 8916 SdHoareTripleChecker+Invalid, 41160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13030 IncrementalHoareTripleChecker+Valid, 28130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.5s IncrementalHoareTripleChecker+Time [2023-12-22 18:34:58,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11247 Valid, 8916 Invalid, 41160 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13030 Valid, 28130 Invalid, 0 Unknown, 0 Unchecked, 47.5s Time] [2023-12-22 18:34:58,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652163 states. [2023-12-22 18:35:04,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652163 to 652163. [2023-12-22 18:35:05,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 652163 states, 652162 states have (on average 1.1344021884133084) internal successors, (739814), 652162 states have internal predecessors, (739814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 18:35:06,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652163 states to 652163 states and 739814 transitions. [2023-12-22 18:35:06,718 INFO L78 Accepts]: Start accepts. Automaton has 652163 states and 739814 transitions. Word has length 10139 [2023-12-22 18:35:06,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-22 18:35:06,719 INFO L495 AbstractCegarLoop]: Abstraction has 652163 states and 739814 transitions. [2023-12-22 18:35:06,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3379.6666666666665) internal successors, (10139), 2 states have internal predecessors, (10139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 18:35:06,721 INFO L276 IsEmpty]: Start isEmpty. Operand 652163 states and 739814 transitions. [2023-12-22 18:35:08,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10423 [2023-12-22 18:35:08,618 INFO L187 NwaCegarLoop]: Found error trace [2023-12-22 18:35:08,627 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-22 18:35:08,642 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 (7)] Ended with exit code 0 [2023-12-22 18:35:08,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /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 [2023-12-22 18:35:08,846 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-22 18:35:08,846 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-22 18:35:08,848 INFO L85 PathProgramCache]: Analyzing trace with hash 529812017, now seen corresponding path program 1 times [2023-12-22 18:35:08,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-22 18:35:08,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1139771005] [2023-12-22 18:35:08,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-22 18:35:08,917 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 [2023-12-22 18:35:08,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-22 18:35:08,918 INFO L229 MonitoredProcess]: Starting monitored process 8 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) [2023-12-22 18:35:08,920 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 (8)] Waiting until timeout for monitored process [2023-12-22 18:35:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-22 18:35:12,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 10613 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-22 18:35:12,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-22 18:35:13,041 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 334 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-22 18:35:13,042 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-22 18:35:13,042 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-22 18:35:13,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1139771005] [2023-12-22 18:35:13,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1139771005] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-22 18:35:13,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-22 18:35:13,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-22 18:35:13,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502548616] [2023-12-22 18:35:13,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-22 18:35:13,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-22 18:35:13,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-22 18:35:13,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-22 18:35:13,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 18:35:13,059 INFO L87 Difference]: Start difference. First operand 652163 states and 739814 transitions. Second operand has 3 states, 3 states have (on average 3467.3333333333335) internal successors, (10402), 2 states have internal predecessors, (10402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-22 18:36:03,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-22 18:36:03,331 INFO L93 Difference]: Finished difference Result 1956485 states and 2219439 transitions. [2023-12-22 18:36:03,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-22 18:36:03,333 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3467.3333333333335) internal successors, (10402), 2 states have internal predecessors, (10402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10422 [2023-12-22 18:36:03,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-22 18:36:06,412 INFO L225 Difference]: With dead ends: 1956485 [2023-12-22 18:36:06,413 INFO L226 Difference]: Without dead ends: 1304323 [2023-12-22 18:36:07,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10421 GetRequests, 10420 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-22 18:36:07,505 INFO L413 NwaCegarLoop]: 4814 mSDtfsCounter, 13376 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 28826 mSolverCounterSat, 11677 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13376 SdHoareTripleChecker+Valid, 4863 SdHoareTripleChecker+Invalid, 40503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11677 IncrementalHoareTripleChecker+Valid, 28826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.9s IncrementalHoareTripleChecker+Time [2023-12-22 18:36:07,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13376 Valid, 4863 Invalid, 40503 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11677 Valid, 28826 Invalid, 0 Unknown, 0 Unchecked, 44.9s Time] [2023-12-22 18:36:08,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1304323 states.