/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/array-programs/copysome1-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-21 17:55:12,467 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-21 17:55:12,533 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-21 17:55:12,536 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-21 17:55:12,536 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-21 17:55:12,559 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-21 17:55:12,559 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-21 17:55:12,560 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-21 17:55:12,560 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-21 17:55:12,563 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-21 17:55:12,563 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-21 17:55:12,564 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-21 17:55:12,564 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-21 17:55:12,565 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-21 17:55:12,565 INFO L153 SettingsManager]: * Use SBE=true [2023-12-21 17:55:12,565 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-21 17:55:12,566 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-21 17:55:12,566 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-21 17:55:12,566 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-21 17:55:12,566 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-21 17:55:12,566 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-21 17:55:12,566 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-21 17:55:12,567 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-21 17:55:12,567 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-21 17:55:12,567 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-21 17:55:12,567 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-21 17:55:12,567 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-21 17:55:12,567 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-21 17:55:12,567 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-21 17:55:12,567 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-21 17:55:12,568 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-21 17:55:12,568 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-21 17:55:12,568 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-21 17:55:12,569 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-21 17:55:12,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 17:55:12,569 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-21 17:55:12,569 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-21 17:55:12,569 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-21 17:55:12,569 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-21 17:55:12,569 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-21 17:55:12,569 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-21 17:55:12,569 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-21 17:55:12,570 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-21 17:55:12,570 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-21 17:55:12,570 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-21 17:55:12,570 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-21 17:55:12,570 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-21 17:55:12,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-21 17:55:12,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-21 17:55:12,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-21 17:55:12,772 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-21 17:55:12,772 INFO L274 PluginConnector]: CDTParser initialized [2023-12-21 17:55:12,773 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-programs/copysome1-2.i [2023-12-21 17:55:13,755 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-21 17:55:13,910 INFO L384 CDTParser]: Found 1 translation units. [2023-12-21 17:55:13,911 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-programs/copysome1-2.i [2023-12-21 17:55:13,916 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d352929e2/68755a8a568e4816ae8035b7ff7a53a5/FLAG982de7288 [2023-12-21 17:55:13,930 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d352929e2/68755a8a568e4816ae8035b7ff7a53a5 [2023-12-21 17:55:13,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-21 17:55:13,937 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-21 17:55:13,938 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-21 17:55:13,939 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-21 17:55:13,942 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-21 17:55:13,942 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:55:13" (1/1) ... [2023-12-21 17:55:13,944 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@431c1eb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:55:13, skipping insertion in model container [2023-12-21 17:55:13,944 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:55:13" (1/1) ... [2023-12-21 17:55:13,959 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-21 17:55:14,081 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-programs/copysome1-2.i[805,818] [2023-12-21 17:55:14,090 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 17:55:14,110 INFO L202 MainTranslator]: Completed pre-run [2023-12-21 17:55:14,119 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-programs/copysome1-2.i[805,818] [2023-12-21 17:55:14,124 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 17:55:14,133 INFO L206 MainTranslator]: Completed translation [2023-12-21 17:55:14,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:55:14 WrapperNode [2023-12-21 17:55:14,134 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-21 17:55:14,135 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-21 17:55:14,135 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-21 17:55:14,135 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-21 17:55:14,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:55:14" (1/1) ... [2023-12-21 17:55:14,144 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:55:14" (1/1) ... [2023-12-21 17:55:14,155 INFO L138 Inliner]: procedures = 18, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2023-12-21 17:55:14,156 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-21 17:55:14,156 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-21 17:55:14,156 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-21 17:55:14,156 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-21 17:55:14,164 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:55:14" (1/1) ... [2023-12-21 17:55:14,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:55:14" (1/1) ... [2023-12-21 17:55:14,166 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:55:14" (1/1) ... [2023-12-21 17:55:14,174 INFO L175 MemorySlicer]: Split 8 memory accesses to 3 slices as follows [2, 3, 3]. 38 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 3 writes are split as follows [0, 1, 2]. [2023-12-21 17:55:14,174 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:55:14" (1/1) ... [2023-12-21 17:55:14,174 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:55:14" (1/1) ... [2023-12-21 17:55:14,178 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:55:14" (1/1) ... [2023-12-21 17:55:14,180 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:55:14" (1/1) ... [2023-12-21 17:55:14,181 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:55:14" (1/1) ... [2023-12-21 17:55:14,181 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:55:14" (1/1) ... [2023-12-21 17:55:14,183 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-21 17:55:14,183 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-21 17:55:14,183 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-21 17:55:14,184 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-21 17:55:14,184 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:55:14" (1/1) ... [2023-12-21 17:55:14,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 17:55:14,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 17:55:14,209 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) [2023-12-21 17:55:14,223 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 [2023-12-21 17:55:14,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-21 17:55:14,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-21 17:55:14,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-12-21 17:55:14,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-12-21 17:55:14,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-21 17:55:14,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-12-21 17:55:14,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-12-21 17:55:14,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-12-21 17:55:14,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-21 17:55:14,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-21 17:55:14,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-21 17:55:14,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-12-21 17:55:14,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-12-21 17:55:14,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-12-21 17:55:14,279 INFO L241 CfgBuilder]: Building ICFG [2023-12-21 17:55:14,281 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-21 17:55:14,469 INFO L282 CfgBuilder]: Performing block encoding [2023-12-21 17:55:14,492 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-21 17:55:14,492 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-21 17:55:14,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:55:14 BoogieIcfgContainer [2023-12-21 17:55:14,492 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-21 17:55:14,495 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-21 17:55:14,495 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-21 17:55:14,498 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-21 17:55:14,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 05:55:13" (1/3) ... [2023-12-21 17:55:14,498 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73bbb2b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:55:14, skipping insertion in model container [2023-12-21 17:55:14,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:55:14" (2/3) ... [2023-12-21 17:55:14,498 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73bbb2b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:55:14, skipping insertion in model container [2023-12-21 17:55:14,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:55:14" (3/3) ... [2023-12-21 17:55:14,499 INFO L112 eAbstractionObserver]: Analyzing ICFG copysome1-2.i [2023-12-21 17:55:14,512 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-21 17:55:14,512 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-21 17:55:14,541 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-21 17:55:14,546 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;@18493fa7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-21 17:55:14,546 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-21 17:55:14,548 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 15 states have internal predecessors, (24), 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) [2023-12-21 17:55:14,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-21 17:55:14,552 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 17:55:14,552 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 17:55:14,553 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 17:55:14,556 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 17:55:14,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1300637357, now seen corresponding path program 1 times [2023-12-21 17:55:14,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-21 17:55:14,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [284727701] [2023-12-21 17:55:14,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 17:55:14,564 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 [2023-12-21 17:55:14,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-21 17:55:14,566 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) [2023-12-21 17:55:14,575 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 [2023-12-21 17:55:14,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 17:55:14,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-21 17:55:14,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 17:55:14,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 17:55:14,630 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 17:55:14,631 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-21 17:55:14,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [284727701] [2023-12-21 17:55:14,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [284727701] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 17:55:14,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 17:55:14,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-21 17:55:14,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731185033] [2023-12-21 17:55:14,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 17:55:14,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-21 17:55:14,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-21 17:55:14,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-21 17:55:14,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-21 17:55:14,653 INFO L87 Difference]: Start difference. First operand has 16 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 15 states have internal predecessors, (24), 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 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2023-12-21 17:55:14,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 17:55:14,670 INFO L93 Difference]: Finished difference Result 30 states and 44 transitions. [2023-12-21 17:55:14,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-21 17:55:14,672 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2023-12-21 17:55:14,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 17:55:14,676 INFO L225 Difference]: With dead ends: 30 [2023-12-21 17:55:14,676 INFO L226 Difference]: Without dead ends: 14 [2023-12-21 17:55:14,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-21 17:55:14,681 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 17:55:14,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 17:55:14,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2023-12-21 17:55:14,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2023-12-21 17:55:14,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 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) [2023-12-21 17:55:14,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2023-12-21 17:55:14,703 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 18 transitions. Word has length 9 [2023-12-21 17:55:14,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 17:55:14,704 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 18 transitions. [2023-12-21 17:55:14,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2023-12-21 17:55:14,704 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2023-12-21 17:55:14,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-21 17:55:14,705 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 17:55:14,705 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 17:55:14,707 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 [2023-12-21 17:55:14,907 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 [2023-12-21 17:55:14,907 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 17:55:14,908 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 17:55:14,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1615558018, now seen corresponding path program 1 times [2023-12-21 17:55:14,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-21 17:55:14,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [871814119] [2023-12-21 17:55:14,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 17:55:14,909 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 [2023-12-21 17:55:14,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-21 17:55:14,915 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) [2023-12-21 17:55:14,935 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 [2023-12-21 17:55:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 17:55:14,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-21 17:55:14,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 17:55:14,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 17:55:14,966 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 17:55:14,966 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-21 17:55:14,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [871814119] [2023-12-21 17:55:14,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [871814119] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 17:55:14,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 17:55:14,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-21 17:55:14,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092485873] [2023-12-21 17:55:14,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 17:55:14,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 17:55:14,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-21 17:55:14,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 17:55:14,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 17:55:14,969 INFO L87 Difference]: Start difference. First operand 14 states and 18 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2023-12-21 17:55:14,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 17:55:14,997 INFO L93 Difference]: Finished difference Result 30 states and 40 transitions. [2023-12-21 17:55:14,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 17:55:14,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2023-12-21 17:55:14,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 17:55:14,998 INFO L225 Difference]: With dead ends: 30 [2023-12-21 17:55:14,998 INFO L226 Difference]: Without dead ends: 18 [2023-12-21 17:55:14,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 17:55:15,000 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 3 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 17:55:15,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 21 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 17:55:15,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2023-12-21 17:55:15,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2023-12-21 17:55:15,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 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) [2023-12-21 17:55:15,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2023-12-21 17:55:15,006 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 20 transitions. Word has length 9 [2023-12-21 17:55:15,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 17:55:15,006 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 20 transitions. [2023-12-21 17:55:15,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2023-12-21 17:55:15,006 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2023-12-21 17:55:15,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-21 17:55:15,007 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 17:55:15,007 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 17:55:15,018 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 [2023-12-21 17:55:15,213 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 [2023-12-21 17:55:15,215 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 17:55:15,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 17:55:15,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1547209917, now seen corresponding path program 1 times [2023-12-21 17:55:15,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-21 17:55:15,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [667613590] [2023-12-21 17:55:15,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 17:55:15,216 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 [2023-12-21 17:55:15,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-21 17:55:15,220 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) [2023-12-21 17:55:15,229 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 [2023-12-21 17:55:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 17:55:15,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-21 17:55:15,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 17:55:15,304 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-21 17:55:15,304 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 17:55:15,322 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-21 17:55:15,322 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-21 17:55:15,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [667613590] [2023-12-21 17:55:15,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [667613590] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-21 17:55:15,323 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-21 17:55:15,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2023-12-21 17:55:15,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371199180] [2023-12-21 17:55:15,323 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-21 17:55:15,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 17:55:15,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-21 17:55:15,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 17:55:15,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-21 17:55:15,324 INFO L87 Difference]: Start difference. First operand 16 states and 20 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 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) [2023-12-21 17:55:15,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 17:55:15,407 INFO L93 Difference]: Finished difference Result 41 states and 57 transitions. [2023-12-21 17:55:15,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-21 17:55:15,407 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 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 13 [2023-12-21 17:55:15,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 17:55:15,409 INFO L225 Difference]: With dead ends: 41 [2023-12-21 17:55:15,409 INFO L226 Difference]: Without dead ends: 28 [2023-12-21 17:55:15,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2023-12-21 17:55:15,412 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 24 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-21 17:55:15,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 30 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-21 17:55:15,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2023-12-21 17:55:15,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2023-12-21 17:55:15,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 27 states have internal predecessors, (35), 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) [2023-12-21 17:55:15,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2023-12-21 17:55:15,425 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 13 [2023-12-21 17:55:15,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 17:55:15,425 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions. [2023-12-21 17:55:15,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 5 states have internal predecessors, (16), 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) [2023-12-21 17:55:15,426 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2023-12-21 17:55:15,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-21 17:55:15,426 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 17:55:15,426 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 17:55:15,437 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 [2023-12-21 17:55:15,628 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 [2023-12-21 17:55:15,629 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 17:55:15,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 17:55:15,630 INFO L85 PathProgramCache]: Analyzing trace with hash -845296322, now seen corresponding path program 2 times [2023-12-21 17:55:15,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-21 17:55:15,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1994891206] [2023-12-21 17:55:15,631 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-21 17:55:15,631 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 [2023-12-21 17:55:15,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-21 17:55:15,632 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) [2023-12-21 17:55:15,646 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 [2023-12-21 17:55:15,713 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-21 17:55:15,713 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-21 17:55:15,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-21 17:55:15,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 17:55:15,749 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-21 17:55:15,749 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 17:55:15,833 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-21 17:55:15,833 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-21 17:55:15,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1994891206] [2023-12-21 17:55:15,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1994891206] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-21 17:55:15,834 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-21 17:55:15,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2023-12-21 17:55:15,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865123895] [2023-12-21 17:55:15,834 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-21 17:55:15,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-12-21 17:55:15,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-21 17:55:15,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-12-21 17:55:15,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-12-21 17:55:15,835 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. Second operand has 12 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 11 states have internal predecessors, (22), 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) [2023-12-21 17:55:16,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 17:55:16,136 INFO L93 Difference]: Finished difference Result 74 states and 105 transitions. [2023-12-21 17:55:16,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-21 17:55:16,137 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 11 states have internal predecessors, (22), 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 25 [2023-12-21 17:55:16,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 17:55:16,138 INFO L225 Difference]: With dead ends: 74 [2023-12-21 17:55:16,138 INFO L226 Difference]: Without dead ends: 52 [2023-12-21 17:55:16,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2023-12-21 17:55:16,139 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 90 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-21 17:55:16,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 75 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-21 17:55:16,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2023-12-21 17:55:16,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2023-12-21 17:55:16,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.2745098039215685) internal successors, (65), 51 states have internal predecessors, (65), 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) [2023-12-21 17:55:16,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 65 transitions. [2023-12-21 17:55:16,145 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 65 transitions. Word has length 25 [2023-12-21 17:55:16,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 17:55:16,145 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 65 transitions. [2023-12-21 17:55:16,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 11 states have internal predecessors, (22), 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) [2023-12-21 17:55:16,145 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 65 transitions. [2023-12-21 17:55:16,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-21 17:55:16,146 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 17:55:16,146 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 17:55:16,166 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-12-21 17:55:16,350 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 [2023-12-21 17:55:16,350 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 17:55:16,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 17:55:16,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1362221730, now seen corresponding path program 3 times [2023-12-21 17:55:16,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-21 17:55:16,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1249434764] [2023-12-21 17:55:16,351 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-21 17:55:16,351 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 [2023-12-21 17:55:16,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-21 17:55:16,352 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) [2023-12-21 17:55:16,362 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 [2023-12-21 17:55:16,493 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-12-21 17:55:16,493 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-21 17:55:16,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-21 17:55:16,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 17:55:16,608 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-21 17:55:16,609 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 17:55:16,920 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-12-21 17:55:16,920 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-21 17:55:16,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1249434764] [2023-12-21 17:55:16,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1249434764] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-21 17:55:16,920 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-21 17:55:16,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2023-12-21 17:55:16,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876398519] [2023-12-21 17:55:16,921 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-21 17:55:16,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-12-21 17:55:16,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-21 17:55:16,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-12-21 17:55:16,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2023-12-21 17:55:16,922 INFO L87 Difference]: Start difference. First operand 52 states and 65 transitions. Second operand has 24 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 23 states have internal predecessors, (34), 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) [2023-12-21 17:55:18,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 17:55:18,221 INFO L93 Difference]: Finished difference Result 140 states and 201 transitions. [2023-12-21 17:55:18,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-21 17:55:18,222 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 23 states have internal predecessors, (34), 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 49 [2023-12-21 17:55:18,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 17:55:18,223 INFO L225 Difference]: With dead ends: 140 [2023-12-21 17:55:18,223 INFO L226 Difference]: Without dead ends: 100 [2023-12-21 17:55:18,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=406, Invalid=716, Unknown=0, NotChecked=0, Total=1122 [2023-12-21 17:55:18,224 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 450 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-21 17:55:18,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 129 Invalid, 870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 706 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-21 17:55:18,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2023-12-21 17:55:18,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2023-12-21 17:55:18,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 99 states have (on average 1.2626262626262625) internal successors, (125), 99 states have internal predecessors, (125), 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) [2023-12-21 17:55:18,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 125 transitions. [2023-12-21 17:55:18,233 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 125 transitions. Word has length 49 [2023-12-21 17:55:18,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 17:55:18,233 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 125 transitions. [2023-12-21 17:55:18,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 23 states have internal predecessors, (34), 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) [2023-12-21 17:55:18,234 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 125 transitions. [2023-12-21 17:55:18,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-21 17:55:18,235 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 17:55:18,235 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 17:55:18,239 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 [2023-12-21 17:55:18,445 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 [2023-12-21 17:55:18,445 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 17:55:18,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 17:55:18,446 INFO L85 PathProgramCache]: Analyzing trace with hash 2054479262, now seen corresponding path program 4 times [2023-12-21 17:55:18,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-21 17:55:18,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [708331443] [2023-12-21 17:55:18,446 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-12-21 17:55:18,447 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 [2023-12-21 17:55:18,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-21 17:55:18,448 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) [2023-12-21 17:55:18,451 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 [2023-12-21 17:55:18,642 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-12-21 17:55:18,642 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-21 17:55:18,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-21 17:55:18,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 17:55:18,909 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2023-12-21 17:55:18,909 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 17:55:19,928 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2023-12-21 17:55:19,928 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-21 17:55:19,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [708331443] [2023-12-21 17:55:19,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [708331443] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-21 17:55:19,928 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-21 17:55:19,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 47 [2023-12-21 17:55:19,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537021316] [2023-12-21 17:55:19,929 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-21 17:55:19,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-12-21 17:55:19,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-21 17:55:19,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-12-21 17:55:19,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=622, Invalid=1634, Unknown=0, NotChecked=0, Total=2256 [2023-12-21 17:55:19,931 INFO L87 Difference]: Start difference. First operand 100 states and 125 transitions. Second operand has 48 states, 48 states have (on average 1.2083333333333333) internal successors, (58), 47 states have internal predecessors, (58), 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) [2023-12-21 17:55:27,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 17:55:27,341 INFO L93 Difference]: Finished difference Result 272 states and 393 transitions. [2023-12-21 17:55:27,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-12-21 17:55:27,342 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 48 states have (on average 1.2083333333333333) internal successors, (58), 47 states have internal predecessors, (58), 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 97 [2023-12-21 17:55:27,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 17:55:27,343 INFO L225 Difference]: With dead ends: 272 [2023-12-21 17:55:27,343 INFO L226 Difference]: Without dead ends: 196 [2023-12-21 17:55:27,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=1678, Invalid=3152, Unknown=0, NotChecked=0, Total=4830 [2023-12-21 17:55:27,346 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 1605 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 2850 mSolverCounterSat, 561 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1605 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 3411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 561 IncrementalHoareTripleChecker+Valid, 2850 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-21 17:55:27,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1605 Valid, 219 Invalid, 3411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [561 Valid, 2850 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-12-21 17:55:27,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2023-12-21 17:55:27,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2023-12-21 17:55:27,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 195 states have (on average 1.2564102564102564) internal successors, (245), 195 states have internal predecessors, (245), 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) [2023-12-21 17:55:27,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 245 transitions. [2023-12-21 17:55:27,359 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 245 transitions. Word has length 97 [2023-12-21 17:55:27,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 17:55:27,360 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 245 transitions. [2023-12-21 17:55:27,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 1.2083333333333333) internal successors, (58), 47 states have internal predecessors, (58), 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) [2023-12-21 17:55:27,365 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 245 transitions. [2023-12-21 17:55:27,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2023-12-21 17:55:27,373 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 17:55:27,373 INFO L195 NwaCegarLoop]: trace histogram [46, 46, 46, 46, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 17:55:27,380 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 (7)] Forceful destruction successful, exit code 0 [2023-12-21 17:55:27,579 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 [2023-12-21 17:55:27,580 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 17:55:27,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 17:55:27,580 INFO L85 PathProgramCache]: Analyzing trace with hash -827167202, now seen corresponding path program 5 times [2023-12-21 17:55:27,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-21 17:55:27,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [314593252] [2023-12-21 17:55:27,581 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-12-21 17:55:27,581 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 [2023-12-21 17:55:27,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-21 17:55:27,583 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) [2023-12-21 17:55:27,614 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 [2023-12-21 17:55:31,311 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2023-12-21 17:55:31,311 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-21 17:55:31,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 53 conjunts are in the unsatisfiable core [2023-12-21 17:55:31,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 17:55:32,321 INFO L134 CoverageAnalysis]: Checked inductivity of 4232 backedges. 0 proven. 3151 refuted. 0 times theorem prover too weak. 1081 trivial. 0 not checked. [2023-12-21 17:55:32,322 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 17:55:38,102 INFO L134 CoverageAnalysis]: Checked inductivity of 4232 backedges. 0 proven. 3151 refuted. 0 times theorem prover too weak. 1081 trivial. 0 not checked. [2023-12-21 17:55:38,102 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-21 17:55:38,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [314593252] [2023-12-21 17:55:38,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [314593252] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-21 17:55:38,102 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-21 17:55:38,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 50] total 97 [2023-12-21 17:55:38,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786112656] [2023-12-21 17:55:38,103 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-21 17:55:38,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2023-12-21 17:55:38,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-21 17:55:38,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2023-12-21 17:55:38,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2448, Invalid=6864, Unknown=0, NotChecked=0, Total=9312 [2023-12-21 17:55:38,107 INFO L87 Difference]: Start difference. First operand 196 states and 245 transitions. Second operand has 97 states, 97 states have (on average 2.9690721649484537) internal successors, (288), 97 states have internal predecessors, (288), 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) [2023-12-21 17:56:29,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 17:56:29,533 INFO L93 Difference]: Finished difference Result 536 states and 777 transitions. [2023-12-21 17:56:29,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2023-12-21 17:56:29,533 INFO L78 Accepts]: Start accepts. Automaton has has 97 states, 97 states have (on average 2.9690721649484537) internal successors, (288), 97 states have internal predecessors, (288), 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 193 [2023-12-21 17:56:29,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 17:56:29,538 INFO L225 Difference]: With dead ends: 536 [2023-12-21 17:56:29,538 INFO L226 Difference]: Without dead ends: 388 [2023-12-21 17:56:29,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 478 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1125 ImplicationChecksByTransitivity, 49.0s TimeCoverageRelationStatistics Valid=7004, Invalid=13588, Unknown=0, NotChecked=0, Total=20592 [2023-12-21 17:56:29,544 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 2462 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 11436 mSolverCounterSat, 2144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2462 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 13580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2144 IncrementalHoareTripleChecker+Valid, 11436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2023-12-21 17:56:29,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2462 Valid, 300 Invalid, 13580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2144 Valid, 11436 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2023-12-21 17:56:29,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2023-12-21 17:56:29,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 388. [2023-12-21 17:56:29,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 387 states have (on average 1.2532299741602067) internal successors, (485), 387 states have internal predecessors, (485), 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) [2023-12-21 17:56:29,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 485 transitions. [2023-12-21 17:56:29,578 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 485 transitions. Word has length 193 [2023-12-21 17:56:29,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 17:56:29,578 INFO L495 AbstractCegarLoop]: Abstraction has 388 states and 485 transitions. [2023-12-21 17:56:29,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 2.9690721649484537) internal successors, (288), 97 states have internal predecessors, (288), 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) [2023-12-21 17:56:29,578 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 485 transitions. [2023-12-21 17:56:29,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2023-12-21 17:56:29,581 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 17:56:29,581 INFO L195 NwaCegarLoop]: trace histogram [94, 94, 94, 94, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 17:56:29,600 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 [2023-12-21 17:56:29,797 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 [2023-12-21 17:56:29,797 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 17:56:29,798 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 17:56:29,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1246884066, now seen corresponding path program 6 times [2023-12-21 17:56:29,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-21 17:56:29,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1718568251] [2023-12-21 17:56:29,799 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-12-21 17:56:29,800 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 [2023-12-21 17:56:29,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-21 17:56:29,801 INFO L229 MonitoredProcess]: Starting monitored process 9 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) [2023-12-21 17:56:29,812 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 (9)] Waiting until timeout for monitored process [2023-12-21 17:57:08,057 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2023-12-21 17:57:08,057 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-21 17:57:08,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 1449 conjuncts, 96 conjunts are in the unsatisfiable core [2023-12-21 17:57:08,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 17:57:11,221 INFO L134 CoverageAnalysis]: Checked inductivity of 17672 backedges. 0 proven. 13207 refuted. 0 times theorem prover too weak. 4465 trivial. 0 not checked. [2023-12-21 17:57:11,222 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 17:57:28,995 INFO L134 CoverageAnalysis]: Checked inductivity of 17672 backedges. 0 proven. 13207 refuted. 0 times theorem prover too weak. 4465 trivial. 0 not checked. [2023-12-21 17:57:28,996 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-21 17:57:28,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1718568251] [2023-12-21 17:57:28,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1718568251] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-21 17:57:28,996 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-21 17:57:28,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [97, 97] total 192 [2023-12-21 17:57:28,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387099336] [2023-12-21 17:57:28,996 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-21 17:57:28,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2023-12-21 17:57:28,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-21 17:57:29,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2023-12-21 17:57:29,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9406, Invalid=27266, Unknown=0, NotChecked=0, Total=36672 [2023-12-21 17:57:29,005 INFO L87 Difference]: Start difference. First operand 388 states and 485 transitions. Second operand has 192 states, 192 states have (on average 3.0) internal successors, (576), 192 states have internal predecessors, (576), 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) [2023-12-21 18:08:42,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 18:08:42,674 INFO L93 Difference]: Finished difference Result 1064 states and 1545 transitions. [2023-12-21 18:08:42,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2023-12-21 18:08:42,675 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 192 states have (on average 3.0) internal successors, (576), 192 states have internal predecessors, (576), 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 385 [2023-12-21 18:08:42,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 18:08:42,677 INFO L225 Difference]: With dead ends: 1064 [2023-12-21 18:08:42,677 INFO L226 Difference]: Without dead ends: 772 [2023-12-21 18:08:42,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 956 GetRequests, 672 SyntacticMatches, 0 SemanticMatches, 284 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4371 ImplicationChecksByTransitivity, 653.8s TimeCoverageRelationStatistics Valid=27454, Invalid=54056, Unknown=0, NotChecked=0, Total=81510 [2023-12-21 18:08:42,688 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 9764 mSDsluCounter, 882 mSDsCounter, 0 mSdLazyCounter, 45984 mSolverCounterSat, 9670 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9764 SdHoareTripleChecker+Valid, 894 SdHoareTripleChecker+Invalid, 55654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9670 IncrementalHoareTripleChecker+Valid, 45984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.1s IncrementalHoareTripleChecker+Time [2023-12-21 18:08:42,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9764 Valid, 894 Invalid, 55654 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9670 Valid, 45984 Invalid, 0 Unknown, 0 Unchecked, 37.1s Time] [2023-12-21 18:08:42,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2023-12-21 18:08:42,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 772. [2023-12-21 18:08:42,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 772 states, 771 states have (on average 1.251621271076524) internal successors, (965), 771 states have internal predecessors, (965), 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) [2023-12-21 18:08:42,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 965 transitions. [2023-12-21 18:08:42,723 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 965 transitions. Word has length 385 [2023-12-21 18:08:42,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 18:08:42,724 INFO L495 AbstractCegarLoop]: Abstraction has 772 states and 965 transitions. [2023-12-21 18:08:42,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 192 states have (on average 3.0) internal successors, (576), 192 states have internal predecessors, (576), 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) [2023-12-21 18:08:42,724 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 965 transitions. [2023-12-21 18:08:42,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 770 [2023-12-21 18:08:42,735 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 18:08:42,735 INFO L195 NwaCegarLoop]: trace histogram [190, 190, 190, 190, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 18:08:42,778 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 (9)] Forceful destruction successful, exit code 0 [2023-12-21 18:08:42,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /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 [2023-12-21 18:08:42,936 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 18:08:42,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 18:08:42,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1817751266, now seen corresponding path program 7 times [2023-12-21 18:08:42,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-21 18:08:42,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [474865477] [2023-12-21 18:08:42,938 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-12-21 18:08:42,938 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 [2023-12-21 18:08:42,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-21 18:08:42,944 INFO L229 MonitoredProcess]: Starting monitored process 10 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) [2023-12-21 18:08:42,945 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 (10)] Waiting until timeout for monitored process [2023-12-21 18:08:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 18:08:44,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 2889 conjuncts, 192 conjunts are in the unsatisfiable core [2023-12-21 18:08:44,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 18:08:56,675 INFO L134 CoverageAnalysis]: Checked inductivity of 72200 backedges. 0 proven. 18145 refuted. 0 times theorem prover too weak. 54055 trivial. 0 not checked. [2023-12-21 18:08:56,676 INFO L327 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2023-12-21 18:09:57,144 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-21 18:09:57,173 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 (10)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-21 18:09:57,178 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 [2023-12-21 18:09:57,189 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 (10)] Forceful destruction successful, exit code 0 [2023-12-21 18:09:57,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /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 [2023-12-21 18:09:57,345 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 770 with TraceHistMax 190,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 353 known predicates. [2023-12-21 18:09:57,349 INFO L445 BasicCegarLoop]: Path program histogram: [7, 1, 1] [2023-12-21 18:09:57,364 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-21 18:09:57,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 06:09:57 BoogieIcfgContainer [2023-12-21 18:09:57,367 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-21 18:09:57,369 INFO L158 Benchmark]: Toolchain (without parser) took 883431.26ms. Allocated memory was 189.8MB in the beginning and 377.5MB in the end (delta: 187.7MB). Free memory was 135.9MB in the beginning and 278.7MB in the end (delta: -142.8MB). Peak memory consumption was 45.4MB. Max. memory is 8.0GB. [2023-12-21 18:09:57,369 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 189.8MB. Free memory is still 138.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-21 18:09:57,370 INFO L158 Benchmark]: CACSL2BoogieTranslator took 195.50ms. Allocated memory is still 189.8MB. Free memory was 135.6MB in the beginning and 124.3MB in the end (delta: 11.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-12-21 18:09:57,370 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.27ms. Allocated memory is still 189.8MB. Free memory was 124.3MB in the beginning and 122.7MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-12-21 18:09:57,370 INFO L158 Benchmark]: Boogie Preprocessor took 26.70ms. Allocated memory is still 189.8MB. Free memory was 122.7MB in the beginning and 120.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-21 18:09:57,370 INFO L158 Benchmark]: RCFGBuilder took 309.14ms. Allocated memory was 189.8MB in the beginning and 314.6MB in the end (delta: 124.8MB). Free memory was 120.6MB in the beginning and 284.6MB in the end (delta: -164.1MB). Peak memory consumption was 17.4MB. Max. memory is 8.0GB. [2023-12-21 18:09:57,371 INFO L158 Benchmark]: TraceAbstraction took 882872.05ms. Allocated memory was 314.6MB in the beginning and 377.5MB in the end (delta: 62.9MB). Free memory was 284.1MB in the beginning and 278.7MB in the end (delta: 5.4MB). Peak memory consumption was 67.9MB. Max. memory is 8.0GB. [2023-12-21 18:09:57,376 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 189.8MB. Free memory is still 138.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 195.50ms. Allocated memory is still 189.8MB. Free memory was 135.6MB in the beginning and 124.3MB in the end (delta: 11.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 21.27ms. Allocated memory is still 189.8MB. Free memory was 124.3MB in the beginning and 122.7MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.70ms. Allocated memory is still 189.8MB. Free memory was 122.7MB in the beginning and 120.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 309.14ms. Allocated memory was 189.8MB in the beginning and 314.6MB in the end (delta: 124.8MB). Free memory was 120.6MB in the beginning and 284.6MB in the end (delta: -164.1MB). Peak memory consumption was 17.4MB. Max. memory is 8.0GB. * TraceAbstraction took 882872.05ms. Allocated memory was 314.6MB in the beginning and 377.5MB in the end (delta: 62.9MB). Free memory was 284.1MB in the beginning and 278.7MB in the end (delta: 5.4MB). Peak memory consumption was 67.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 13]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 13). Cancelled while NwaCegarLoop was analyzing trace of length 770 with TraceHistMax 190,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 353 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 882.8s, OverallIterations: 9, TraceHistogramMax: 190, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 734.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14398 SdHoareTripleChecker+Valid, 48.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14398 mSDsluCounter, 1685 SdHoareTripleChecker+Invalid, 42.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1584 mSDsCounter, 12592 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 61200 IncrementalHoareTripleChecker+Invalid, 73792 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12592 mSolverCounterUnsat, 101 mSDtfsCounter, 61200 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1847 GetRequests, 1301 SyntacticMatches, 0 SemanticMatches, 546 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5778 ImplicationChecksByTransitivity, 710.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=772occurred in iteration=8, InterpolantAutomatonStates: 384, 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, 8 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 41.9s SatisfiabilityAnalysisTime, 29.6s InterpolantComputationTime, 780 NumberOfCodeBlocks, 765 NumberOfCodeBlocksAsserted, 154 NumberOfCheckSat, 1528 ConstructedInterpolants, 0 QuantifiedInterpolants, 5225 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2932 ConjunctsInSsa, 197 ConjunctsInUnsatCore, 14 InterpolantComputations, 2 PerfectInterpolantSequences, 12858/46212 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