/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-64bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w16_d16_e0.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-26 02:58:43,288 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-26 02:58:43,356 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-12-26 02:58:43,360 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-26 02:58:43,361 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-26 02:58:43,382 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-26 02:58:43,383 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-26 02:58:43,383 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-26 02:58:43,383 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-26 02:58:43,386 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-26 02:58:43,386 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-26 02:58:43,386 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-26 02:58:43,387 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-26 02:58:43,388 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-26 02:58:43,388 INFO L153 SettingsManager]: * Use SBE=true [2023-12-26 02:58:43,388 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-26 02:58:43,388 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-26 02:58:43,388 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-26 02:58:43,388 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-26 02:58:43,389 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-26 02:58:43,389 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-26 02:58:43,389 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-26 02:58:43,389 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-26 02:58:43,389 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-26 02:58:43,389 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-26 02:58:43,390 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-26 02:58:43,390 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-26 02:58:43,390 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-26 02:58:43,390 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-26 02:58:43,390 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-26 02:58:43,391 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-26 02:58:43,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-26 02:58:43,391 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-26 02:58:43,392 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-26 02:58:43,392 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-26 02:58:43,392 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-26 02:58:43,392 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-26 02:58:43,392 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-26 02:58:43,392 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-26 02:58:43,392 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-26 02:58:43,392 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-26 02:58:43,400 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-26 02:58:43,400 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-26 02:58:43,400 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-26 02:58:43,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-26 02:58:43,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-26 02:58:43,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-26 02:58:43,596 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-26 02:58:43,596 INFO L274 PluginConnector]: CDTParser initialized [2023-12-26 02:58:43,597 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w16_d16_e0.c [2023-12-26 02:58:44,498 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-26 02:58:44,761 INFO L384 CDTParser]: Found 1 translation units. [2023-12-26 02:58:44,762 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w16_d16_e0.c [2023-12-26 02:58:44,774 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/935047db6/01f614557fcb44e08b47849da14025de/FLAG837b0aaa0 [2023-12-26 02:58:44,784 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/935047db6/01f614557fcb44e08b47849da14025de [2023-12-26 02:58:44,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-26 02:58:44,786 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-26 02:58:44,787 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-26 02:58:44,787 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-26 02:58:44,791 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-26 02:58:44,792 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.12 02:58:44" (1/1) ... [2023-12-26 02:58:44,792 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4adb58e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:58:44, skipping insertion in model container [2023-12-26 02:58:44,792 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.12 02:58:44" (1/1) ... [2023-12-26 02:58:44,845 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-26 02:58:44,983 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w16_d16_e0.c[1271,1284] [2023-12-26 02:58:45,269 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-26 02:58:45,277 INFO L202 MainTranslator]: Completed pre-run [2023-12-26 02:58:45,285 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w16_d16_e0.c[1271,1284] [2023-12-26 02:58:45,393 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-26 02:58:45,403 INFO L206 MainTranslator]: Completed translation [2023-12-26 02:58:45,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:58:45 WrapperNode [2023-12-26 02:58:45,403 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-26 02:58:45,404 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-26 02:58:45,404 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-26 02:58:45,404 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-26 02:58:45,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:58:45" (1/1) ... [2023-12-26 02:58:45,442 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:58:45" (1/1) ... [2023-12-26 02:58:45,547 INFO L138 Inliner]: procedures = 17, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2420 [2023-12-26 02:58:45,548 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-26 02:58:45,548 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-26 02:58:45,548 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-26 02:58:45,549 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-26 02:58:45,557 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:58:45" (1/1) ... [2023-12-26 02:58:45,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:58:45" (1/1) ... [2023-12-26 02:58:45,567 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:58:45" (1/1) ... [2023-12-26 02:58:45,603 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]. [2023-12-26 02:58:45,603 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:58:45" (1/1) ... [2023-12-26 02:58:45,603 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:58:45" (1/1) ... [2023-12-26 02:58:45,661 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:58:45" (1/1) ... [2023-12-26 02:58:45,664 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:58:45" (1/1) ... [2023-12-26 02:58:45,689 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:58:45" (1/1) ... [2023-12-26 02:58:45,698 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:58:45" (1/1) ... [2023-12-26 02:58:45,711 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-26 02:58:45,712 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-26 02:58:45,712 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-26 02:58:45,712 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-26 02:58:45,713 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:58:45" (1/1) ... [2023-12-26 02:58:45,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-26 02:58:45,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-26 02:58:45,733 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) [2023-12-26 02:58:45,740 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 [2023-12-26 02:58:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-26 02:58:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-26 02:58:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-26 02:58:45,754 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-26 02:58:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-26 02:58:45,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-26 02:58:46,035 INFO L241 CfgBuilder]: Building ICFG [2023-12-26 02:58:46,037 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-26 02:58:47,705 INFO L282 CfgBuilder]: Performing block encoding [2023-12-26 02:58:47,784 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-26 02:58:47,784 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-26 02:58:47,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.12 02:58:47 BoogieIcfgContainer [2023-12-26 02:58:47,785 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-26 02:58:47,787 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-26 02:58:47,787 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-26 02:58:47,789 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-26 02:58:47,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.12 02:58:44" (1/3) ... [2023-12-26 02:58:47,789 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31001b8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.12 02:58:47, skipping insertion in model container [2023-12-26 02:58:47,789 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 02:58:45" (2/3) ... [2023-12-26 02:58:47,790 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31001b8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.12 02:58:47, skipping insertion in model container [2023-12-26 02:58:47,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.12 02:58:47" (3/3) ... [2023-12-26 02:58:47,791 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n3_w16_d16_e0.c [2023-12-26 02:58:47,802 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-26 02:58:47,802 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-26 02:58:47,834 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-26 02:58:47,839 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;@1755c2e1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-26 02:58:47,839 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-26 02:58:47,841 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 19 states have (on average 1.263157894736842) internal successors, (24), 20 states have internal predecessors, (24), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-26 02:58:47,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-26 02:58:47,848 INFO L187 NwaCegarLoop]: Found error trace [2023-12-26 02:58:47,849 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-26 02:58:47,849 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-26 02:58:47,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-26 02:58:47,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1229239407, now seen corresponding path program 1 times [2023-12-26 02:58:47,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-26 02:58:47,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [762268458] [2023-12-26 02:58:47,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-26 02:58:47,864 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 [2023-12-26 02:58:47,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-26 02:58:47,866 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) [2023-12-26 02:58:47,876 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 [2023-12-26 02:58:48,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-26 02:58:48,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 983 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-26 02:58:48,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-26 02:58:48,516 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-12-26 02:58:48,517 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-26 02:58:48,517 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-26 02:58:48,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [762268458] [2023-12-26 02:58:48,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [762268458] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-26 02:58:48,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-26 02:58:48,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-26 02:58:48,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87223523] [2023-12-26 02:58:48,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-26 02:58:48,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-26 02:58:48,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-26 02:58:48,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-26 02:58:48,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-26 02:58:48,538 INFO L87 Difference]: Start difference. First operand has 32 states, 19 states have (on average 1.263157894736842) internal successors, (24), 20 states have internal predecessors, (24), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-26 02:58:48,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-26 02:58:48,565 INFO L93 Difference]: Finished difference Result 61 states and 96 transitions. [2023-12-26 02:58:48,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-26 02:58:48,569 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 64 [2023-12-26 02:58:48,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-26 02:58:48,573 INFO L225 Difference]: With dead ends: 61 [2023-12-26 02:58:48,573 INFO L226 Difference]: Without dead ends: 30 [2023-12-26 02:58:48,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-26 02:58:48,577 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-26 02:58:48,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-26 02:58:48,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2023-12-26 02:58:48,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2023-12-26 02:58:48,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-26 02:58:48,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 39 transitions. [2023-12-26 02:58:48,599 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 39 transitions. Word has length 64 [2023-12-26 02:58:48,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-26 02:58:48,599 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 39 transitions. [2023-12-26 02:58:48,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-12-26 02:58:48,599 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2023-12-26 02:58:48,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-26 02:58:48,601 INFO L187 NwaCegarLoop]: Found error trace [2023-12-26 02:58:48,601 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-26 02:58:48,609 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-26 02:58:48,804 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 [2023-12-26 02:58:48,804 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-26 02:58:48,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-26 02:58:48,805 INFO L85 PathProgramCache]: Analyzing trace with hash -148556931, now seen corresponding path program 1 times [2023-12-26 02:58:48,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-26 02:58:48,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2039248122] [2023-12-26 02:58:48,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-26 02:58:48,808 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 [2023-12-26 02:58:48,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-26 02:58:48,809 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) [2023-12-26 02:58:48,810 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 [2023-12-26 02:58:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-26 02:58:49,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 983 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-26 02:58:49,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-26 02:58:49,965 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-12-26 02:58:49,965 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-26 02:58:49,966 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-26 02:58:49,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2039248122] [2023-12-26 02:58:49,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2039248122] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-26 02:58:49,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-26 02:58:49,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-26 02:58:49,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815043663] [2023-12-26 02:58:49,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-26 02:58:49,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-26 02:58:49,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-26 02:58:49,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-26 02:58:49,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-26 02:58:49,972 INFO L87 Difference]: Start difference. First operand 30 states and 39 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-26 02:58:50,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-26 02:58:50,257 INFO L93 Difference]: Finished difference Result 55 states and 74 transitions. [2023-12-26 02:58:50,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-26 02:58:50,257 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 64 [2023-12-26 02:58:50,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-26 02:58:50,258 INFO L225 Difference]: With dead ends: 55 [2023-12-26 02:58:50,258 INFO L226 Difference]: Without dead ends: 53 [2023-12-26 02:58:50,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-26 02:58:50,259 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 3 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-26 02:58:50,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 75 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-26 02:58:50,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-12-26 02:58:50,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 52. [2023-12-26 02:58:50,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 30 states have (on average 1.0333333333333334) internal successors, (31), 30 states have internal predecessors, (31), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-26 02:58:50,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2023-12-26 02:58:50,268 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 71 transitions. Word has length 64 [2023-12-26 02:58:50,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-26 02:58:50,269 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 71 transitions. [2023-12-26 02:58:50,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-12-26 02:58:50,269 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2023-12-26 02:58:50,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-12-26 02:58:50,270 INFO L187 NwaCegarLoop]: Found error trace [2023-12-26 02:58:50,271 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 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] [2023-12-26 02:58:50,280 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-26 02:58:50,478 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 [2023-12-26 02:58:50,478 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-26 02:58:50,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-26 02:58:50,478 INFO L85 PathProgramCache]: Analyzing trace with hash -438810163, now seen corresponding path program 1 times [2023-12-26 02:58:50,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-26 02:58:50,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2114406114] [2023-12-26 02:58:50,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-26 02:58:50,482 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 [2023-12-26 02:58:50,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-26 02:58:50,483 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) [2023-12-26 02:58:50,487 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 [2023-12-26 02:58:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-26 02:58:57,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 2942 conjuncts, 239 conjunts are in the unsatisfiable core [2023-12-26 02:58:57,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-26 02:59:03,567 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 96 proven. 79 refuted. 0 times theorem prover too weak. 607 trivial. 0 not checked. [2023-12-26 02:59:03,568 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-26 02:59:28,224 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-26 02:59:28,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2114406114] [2023-12-26 02:59:28,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2114406114] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-26 02:59:28,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [788994789] [2023-12-26 02:59:28,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-26 02:59:28,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-26 02:59:28,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-26 02:59:28,257 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-26 02:59:28,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-26 02:59:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-26 02:59:30,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 2942 conjuncts, 46 conjunts are in the unsatisfiable core [2023-12-26 02:59:30,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-26 02:59:30,633 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 18 proven. 61 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-12-26 02:59:30,634 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-26 02:59:30,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [788994789] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-26 02:59:30,775 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-26 02:59:30,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9] total 17 [2023-12-26 02:59:30,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066369914] [2023-12-26 02:59:30,776 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-26 02:59:30,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-26 02:59:30,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-26 02:59:30,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-26 02:59:30,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=332, Unknown=5, NotChecked=0, Total=380 [2023-12-26 02:59:30,777 INFO L87 Difference]: Start difference. First operand 52 states and 71 transitions. Second operand has 17 states, 13 states have (on average 4.461538461538462) internal successors, (58), 16 states have internal predecessors, (58), 11 states have call successors, (40), 1 states have call predecessors, (40), 2 states have return successors, (40), 8 states have call predecessors, (40), 11 states have call successors, (40) [2023-12-26 02:59:33,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-26 02:59:33,302 INFO L93 Difference]: Finished difference Result 78 states and 107 transitions. [2023-12-26 02:59:33,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-26 02:59:33,302 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 13 states have (on average 4.461538461538462) internal successors, (58), 16 states have internal predecessors, (58), 11 states have call successors, (40), 1 states have call predecessors, (40), 2 states have return successors, (40), 8 states have call predecessors, (40), 11 states have call successors, (40) Word has length 127 [2023-12-26 02:59:33,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-26 02:59:33,304 INFO L225 Difference]: With dead ends: 78 [2023-12-26 02:59:33,304 INFO L226 Difference]: Without dead ends: 76 [2023-12-26 02:59:33,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 24.8s TimeCoverageRelationStatistics Valid=147, Invalid=778, Unknown=5, NotChecked=0, Total=930 [2023-12-26 02:59:33,305 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 50 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-12-26 02:59:33,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 315 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-12-26 02:59:33,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-12-26 02:59:33,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 75. [2023-12-26 02:59:33,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 43 states have (on average 1.0232558139534884) internal successors, (44), 43 states have internal predecessors, (44), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-26 02:59:33,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2023-12-26 02:59:33,362 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 127 [2023-12-26 02:59:33,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-26 02:59:33,363 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2023-12-26 02:59:33,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 13 states have (on average 4.461538461538462) internal successors, (58), 16 states have internal predecessors, (58), 11 states have call successors, (40), 1 states have call predecessors, (40), 2 states have return successors, (40), 8 states have call predecessors, (40), 11 states have call successors, (40) [2023-12-26 02:59:33,363 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2023-12-26 02:59:33,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-12-26 02:59:33,365 INFO L187 NwaCegarLoop]: Found error trace [2023-12-26 02:59:33,365 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1] [2023-12-26 02:59:33,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-26 02:59:33,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-12-26 02:59:33,769 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=3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2023-12-26 02:59:33,770 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-26 02:59:33,771 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-26 02:59:33,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1049908867, now seen corresponding path program 2 times [2023-12-26 02:59:33,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-26 02:59:33,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [732243367] [2023-12-26 02:59:33,773 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-26 02:59:33,774 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 [2023-12-26 02:59:33,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-26 02:59:33,775 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) [2023-12-26 02:59:33,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-26 02:59:52,702 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-26 02:59:52,702 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-26 02:59:52,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 4901 conjuncts, 217 conjunts are in the unsatisfiable core [2023-12-26 02:59:52,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-26 03:00:03,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1807 backedges. 234 proven. 208 refuted. 0 times theorem prover too weak. 1365 trivial. 0 not checked. [2023-12-26 03:00:03,723 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-26 03:00:04,215 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-26 03:00:04,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [732243367] [2023-12-26 03:00:04,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [732243367] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-26 03:00:04,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [301218541] [2023-12-26 03:00:04,216 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-26 03:00:04,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-26 03:00:04,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-26 03:00:04,217 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-26 03:00:04,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-26 03:00:07,327 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-26 03:00:07,327 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-26 03:00:07,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 4901 conjuncts, 204 conjunts are in the unsatisfiable core [2023-12-26 03:00:07,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-26 03:01:39,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1807 backedges. 198 proven. 181 refuted. 0 times theorem prover too weak. 1428 trivial. 0 not checked. [2023-12-26 03:01:39,086 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-26 03:01:39,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [301218541] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-26 03:01:39,518 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-26 03:01:39,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 18] total 31 [2023-12-26 03:01:39,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565567088] [2023-12-26 03:01:39,518 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-26 03:01:39,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-12-26 03:01:39,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-26 03:01:39,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-12-26 03:01:39,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=910, Unknown=21, NotChecked=0, Total=1056 [2023-12-26 03:01:39,520 INFO L87 Difference]: Start difference. First operand 75 states and 104 transitions. Second operand has 31 states, 23 states have (on average 3.0869565217391304) internal successors, (71), 29 states have internal predecessors, (71), 19 states have call successors, (50), 1 states have call predecessors, (50), 2 states have return successors, (50), 13 states have call predecessors, (50), 19 states have call successors, (50) [2023-12-26 03:01:44,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:01:48,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:01:52,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:01:56,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:02:00,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:02:04,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:02:08,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:02:13,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:02:17,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:02:21,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:02:25,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:02:30,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:02:53,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:02:57,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:02:58,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:03:02,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:03:07,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:03:11,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:03:36,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.97s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:03:38,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:03:40,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:03:41,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:03:46,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:03:50,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:03:54,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.85s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:03:58,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:04:27,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:04:31,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:04:34,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:04:36,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:04:37,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:04:41,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:04:45,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:04:49,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:05:44,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:05:48,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:05:52,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:05:56,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:06:20,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:06:24,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:06:45,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:06:49,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:06:53,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:06:57,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:07:02,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:07:06,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:07:10,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:07:14,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:07:19,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:07:23,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:07:27,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:07:40,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:07:44,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-26 03:07:44,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-26 03:07:44,442 INFO L93 Difference]: Finished difference Result 103 states and 142 transitions. [2023-12-26 03:07:44,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-26 03:07:44,443 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 23 states have (on average 3.0869565217391304) internal successors, (71), 29 states have internal predecessors, (71), 19 states have call successors, (50), 1 states have call predecessors, (50), 2 states have return successors, (50), 13 states have call predecessors, (50), 19 states have call successors, (50) Word has length 190 [2023-12-26 03:07:44,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-26 03:07:44,444 INFO L225 Difference]: With dead ends: 103 [2023-12-26 03:07:44,444 INFO L226 Difference]: Without dead ends: 101 [2023-12-26 03:07:44,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 405 GetRequests, 355 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 411 ImplicationChecksByTransitivity, 254.1s TimeCoverageRelationStatistics Valid=384, Invalid=2113, Unknown=53, NotChecked=0, Total=2550 [2023-12-26 03:07:44,446 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 103 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 845 mSolverCounterSat, 63 mSolverCounterUnsat, 43 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 203.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 845 IncrementalHoareTripleChecker+Invalid, 43 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 206.4s IncrementalHoareTripleChecker+Time [2023-12-26 03:07:44,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 328 Invalid, 951 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 845 Invalid, 43 Unknown, 0 Unchecked, 206.4s Time] [2023-12-26 03:07:44,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-12-26 03:07:44,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 98. [2023-12-26 03:07:44,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 56 states have (on average 1.0178571428571428) internal successors, (57), 56 states have internal predecessors, (57), 40 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2023-12-26 03:07:44,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 137 transitions. [2023-12-26 03:07:44,479 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 137 transitions. Word has length 190 [2023-12-26 03:07:44,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-26 03:07:44,480 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 137 transitions. [2023-12-26 03:07:44,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 23 states have (on average 3.0869565217391304) internal successors, (71), 29 states have internal predecessors, (71), 19 states have call successors, (50), 1 states have call predecessors, (50), 2 states have return successors, (50), 13 states have call predecessors, (50), 19 states have call successors, (50) [2023-12-26 03:07:44,480 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 137 transitions. [2023-12-26 03:07:44,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2023-12-26 03:07:44,482 INFO L187 NwaCegarLoop]: Found error trace [2023-12-26 03:07:44,483 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 40, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1] [2023-12-26 03:07:44,509 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-12-26 03:07:44,714 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 [2023-12-26 03:07:44,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,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 [2023-12-26 03:07:44,884 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-26 03:07:44,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-26 03:07:44,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1566895155, now seen corresponding path program 3 times [2023-12-26 03:07:44,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-26 03:07:44,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1688173177] [2023-12-26 03:07:44,888 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-26 03:07:44,888 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 [2023-12-26 03:07:44,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-26 03:07:44,889 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) [2023-12-26 03:07:44,889 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 [2023-12-26 03:08:27,358 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2023-12-26 03:08:27,359 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-26 03:08:27,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 6767 conjuncts, 612 conjunts are in the unsatisfiable core [2023-12-26 03:08:27,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-26 03:10:26,374 WARN L293 SmtUtils]: Spent 16.10s on a formula simplification that was a NOOP. DAG size: 1545 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-26 03:11:18,222 WARN L293 SmtUtils]: Spent 15.34s on a formula simplification that was a NOOP. DAG size: 1552 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2023-12-26 03:13:15,402 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-26 03:13:15,403 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-26 03:13:15,570 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-26 03:13:15,618 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 (8)] Ended with exit code 0 [2023-12-26 03:13:15,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /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 [2023-12-26 03:13:15,771 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 254 with TraceHistMax 40,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 20 known predicates. [2023-12-26 03:13:15,774 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2023-12-26 03:13:15,776 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-26 03:13:15,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.12 03:13:15 BoogieIcfgContainer [2023-12-26 03:13:15,777 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-26 03:13:15,777 INFO L158 Benchmark]: Toolchain (without parser) took 870991.49ms. Allocated memory was 283.1MB in the beginning and 1.1GB in the end (delta: 828.4MB). Free memory was 235.1MB in the beginning and 347.7MB in the end (delta: -112.6MB). Peak memory consumption was 714.3MB. Max. memory is 8.0GB. [2023-12-26 03:13:15,778 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 208.7MB. Free memory was 159.4MB in the beginning and 159.3MB in the end (delta: 129.4kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-26 03:13:15,778 INFO L158 Benchmark]: CACSL2BoogieTranslator took 616.89ms. Allocated memory is still 283.1MB. Free memory was 234.8MB in the beginning and 218.0MB in the end (delta: 16.8MB). Peak memory consumption was 59.6MB. Max. memory is 8.0GB. [2023-12-26 03:13:15,778 INFO L158 Benchmark]: Boogie Procedure Inliner took 143.78ms. Allocated memory is still 283.1MB. Free memory was 218.0MB in the beginning and 200.2MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-12-26 03:13:15,778 INFO L158 Benchmark]: Boogie Preprocessor took 163.05ms. Allocated memory is still 283.1MB. Free memory was 200.2MB in the beginning and 179.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2023-12-26 03:13:15,778 INFO L158 Benchmark]: RCFGBuilder took 2072.79ms. Allocated memory was 283.1MB in the beginning and 438.3MB in the end (delta: 155.2MB). Free memory was 179.2MB in the beginning and 326.5MB in the end (delta: -147.3MB). Peak memory consumption was 133.2MB. Max. memory is 8.0GB. [2023-12-26 03:13:15,778 INFO L158 Benchmark]: TraceAbstraction took 867990.55ms. Allocated memory was 438.3MB in the beginning and 1.1GB in the end (delta: 673.2MB). Free memory was 326.0MB in the beginning and 347.7MB in the end (delta: -21.7MB). Peak memory consumption was 649.4MB. Max. memory is 8.0GB. [2023-12-26 03:13:15,779 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 208.7MB. Free memory was 159.4MB in the beginning and 159.3MB in the end (delta: 129.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 616.89ms. Allocated memory is still 283.1MB. Free memory was 234.8MB in the beginning and 218.0MB in the end (delta: 16.8MB). Peak memory consumption was 59.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 143.78ms. Allocated memory is still 283.1MB. Free memory was 218.0MB in the beginning and 200.2MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 163.05ms. Allocated memory is still 283.1MB. Free memory was 200.2MB in the beginning and 179.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * RCFGBuilder took 2072.79ms. Allocated memory was 283.1MB in the beginning and 438.3MB in the end (delta: 155.2MB). Free memory was 179.2MB in the beginning and 326.5MB in the end (delta: -147.3MB). Peak memory consumption was 133.2MB. Max. memory is 8.0GB. * TraceAbstraction took 867990.55ms. Allocated memory was 438.3MB in the beginning and 1.1GB in the end (delta: 673.2MB). Free memory was 326.0MB in the beginning and 347.7MB in the end (delta: -21.7MB). Peak memory consumption was 649.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 21]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 21). Cancelled while NwaCegarLoop was analyzing trace of length 254 with TraceHistMax 40,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 20 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 867.9s, OverallIterations: 5, TraceHistogramMax: 40, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 367.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 43 mSolverCounterUnknown, 156 SdHoareTripleChecker+Valid, 207.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 156 mSDsluCounter, 756 SdHoareTripleChecker+Invalid, 204.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 644 mSDsCounter, 94 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1471 IncrementalHoareTripleChecker+Invalid, 1608 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 94 mSolverCounterUnsat, 112 mSDtfsCounter, 1471 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 803 GetRequests, 721 SyntacticMatches, 1 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 279.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred in iteration=4, InterpolantAutomatonStates: 46, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 5 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.7s SsaConstructionTime, 29.0s SatisfiabilityAnalysisTime, 135.5s InterpolantComputationTime, 762 NumberOfCodeBlocks, 762 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 756 ConstructedInterpolants, 76 QuantifiedInterpolants, 20362 SizeOfPredicates, 752 NumberOfNonLiveVariables, 17652 ConjunctsInSsa, 721 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 5009/5538 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown