/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-32.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-23 04:40:00,515 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-23 04:40:00,575 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-23 04:40:00,580 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-23 04:40:00,580 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-23 04:40:00,604 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-23 04:40:00,605 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-23 04:40:00,605 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-23 04:40:00,605 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-23 04:40:00,605 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-23 04:40:00,606 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-23 04:40:00,606 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-23 04:40:00,606 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-23 04:40:00,606 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-23 04:40:00,607 INFO L153 SettingsManager]: * Use SBE=true [2023-12-23 04:40:00,607 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-23 04:40:00,607 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-23 04:40:00,607 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-23 04:40:00,608 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-23 04:40:00,612 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-23 04:40:00,618 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-23 04:40:00,618 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-23 04:40:00,618 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-23 04:40:00,619 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-23 04:40:00,619 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-23 04:40:00,619 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-23 04:40:00,619 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-23 04:40:00,619 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-23 04:40:00,619 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-23 04:40:00,619 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-23 04:40:00,620 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-23 04:40:00,620 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-23 04:40:00,621 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-23 04:40:00,621 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-23 04:40:00,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 04:40:00,621 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-23 04:40:00,621 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-23 04:40:00,621 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-23 04:40:00,621 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-23 04:40:00,622 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-23 04:40:00,622 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-23 04:40:00,622 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-23 04:40:00,622 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-23 04:40:00,622 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-23 04:40:00,622 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-23 04:40:00,623 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-23 04:40:00,623 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-23 04:40:00,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-23 04:40:00,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-23 04:40:00,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-23 04:40:00,814 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-23 04:40:00,815 INFO L274 PluginConnector]: CDTParser initialized [2023-12-23 04:40:00,817 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-32.i [2023-12-23 04:40:01,990 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-23 04:40:02,228 INFO L384 CDTParser]: Found 1 translation units. [2023-12-23 04:40:02,229 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-32.i [2023-12-23 04:40:02,241 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9ad553e2/12a2308230c2492ba23131b5fe8f44dd/FLAGab182058a [2023-12-23 04:40:02,257 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9ad553e2/12a2308230c2492ba23131b5fe8f44dd [2023-12-23 04:40:02,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-23 04:40:02,260 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-23 04:40:02,261 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-23 04:40:02,261 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-23 04:40:02,265 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-23 04:40:02,266 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 04:40:02" (1/1) ... [2023-12-23 04:40:02,267 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a67c4dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:40:02, skipping insertion in model container [2023-12-23 04:40:02,267 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 04:40:02" (1/1) ... [2023-12-23 04:40:02,313 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-23 04:40:02,454 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-32.i[916,929] [2023-12-23 04:40:02,630 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 04:40:02,655 INFO L202 MainTranslator]: Completed pre-run [2023-12-23 04:40:02,665 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-32.i[916,929] [2023-12-23 04:40:02,726 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-23 04:40:02,745 INFO L206 MainTranslator]: Completed translation [2023-12-23 04:40:02,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:40:02 WrapperNode [2023-12-23 04:40:02,745 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-23 04:40:02,746 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-23 04:40:02,746 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-23 04:40:02,746 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-23 04:40:02,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:40:02" (1/1) ... [2023-12-23 04:40:02,771 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:40:02" (1/1) ... [2023-12-23 04:40:02,827 INFO L138 Inliner]: procedures = 27, calls = 135, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 743 [2023-12-23 04:40:02,828 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-23 04:40:02,828 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-23 04:40:02,828 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-23 04:40:02,828 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-23 04:40:02,844 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:40:02" (1/1) ... [2023-12-23 04:40:02,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:40:02" (1/1) ... [2023-12-23 04:40:02,852 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:40:02" (1/1) ... [2023-12-23 04:40:02,868 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-23 04:40:02,869 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:40:02" (1/1) ... [2023-12-23 04:40:02,869 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:40:02" (1/1) ... [2023-12-23 04:40:02,901 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:40:02" (1/1) ... [2023-12-23 04:40:02,906 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:40:02" (1/1) ... [2023-12-23 04:40:02,911 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:40:02" (1/1) ... [2023-12-23 04:40:02,915 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:40:02" (1/1) ... [2023-12-23 04:40:02,926 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-23 04:40:02,927 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-23 04:40:02,927 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-23 04:40:02,927 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-23 04:40:02,928 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:40:02" (1/1) ... [2023-12-23 04:40:02,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-23 04:40:02,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-23 04:40:02,971 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-23 04:40:02,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-23 04:40:02,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-23 04:40:02,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-23 04:40:02,993 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-23 04:40:02,994 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-23 04:40:02,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-23 04:40:02,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-23 04:40:03,150 INFO L241 CfgBuilder]: Building ICFG [2023-12-23 04:40:03,152 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-23 04:40:41,114 INFO L282 CfgBuilder]: Performing block encoding [2023-12-23 04:40:41,176 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-23 04:40:41,176 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-23 04:40:41,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 04:40:41 BoogieIcfgContainer [2023-12-23 04:40:41,177 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-23 04:40:41,178 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-23 04:40:41,178 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-23 04:40:41,181 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-23 04:40:41,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 04:40:02" (1/3) ... [2023-12-23 04:40:41,182 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54629e38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 04:40:41, skipping insertion in model container [2023-12-23 04:40:41,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 04:40:02" (2/3) ... [2023-12-23 04:40:41,183 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54629e38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 04:40:41, skipping insertion in model container [2023-12-23 04:40:41,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 04:40:41" (3/3) ... [2023-12-23 04:40:41,184 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-500_file-32.i [2023-12-23 04:40:41,198 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-23 04:40:41,199 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-23 04:40:41,250 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-23 04:40:41,256 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;@5e92d4e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-23 04:40:41,256 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-23 04:40:41,263 INFO L276 IsEmpty]: Start isEmpty. Operand has 321 states, 196 states have (on average 1.586734693877551) internal successors, (311), 197 states have internal predecessors, (311), 122 states have call successors, (122), 1 states have call predecessors, (122), 1 states have return successors, (122), 122 states have call predecessors, (122), 122 states have call successors, (122) [2023-12-23 04:40:41,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 755 [2023-12-23 04:40:41,302 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 04:40:41,303 INFO L195 NwaCegarLoop]: trace histogram [122, 122, 122, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 04:40:41,304 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 04:40:41,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 04:40:41,308 INFO L85 PathProgramCache]: Analyzing trace with hash -99142251, now seen corresponding path program 1 times [2023-12-23 04:40:41,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 04:40:41,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1409566740] [2023-12-23 04:40:41,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 04:40:41,322 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 04:40:41,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 04:40:41,327 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 04:40:41,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-23 04:40:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 04:40:42,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 1212 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-23 04:40:42,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 04:40:42,964 INFO L134 CoverageAnalysis]: Checked inductivity of 29524 backedges. 3002 proven. 0 refuted. 0 times theorem prover too weak. 26522 trivial. 0 not checked. [2023-12-23 04:40:42,965 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 04:40:42,965 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 04:40:42,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1409566740] [2023-12-23 04:40:42,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1409566740] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 04:40:42,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-23 04:40:42,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-23 04:40:42,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622811189] [2023-12-23 04:40:42,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 04:40:42,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-23 04:40:42,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 04:40:42,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-23 04:40:42,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 04:40:42,995 INFO L87 Difference]: Start difference. First operand has 321 states, 196 states have (on average 1.586734693877551) internal successors, (311), 197 states have internal predecessors, (311), 122 states have call successors, (122), 1 states have call predecessors, (122), 1 states have return successors, (122), 122 states have call predecessors, (122), 122 states have call successors, (122) Second operand has 2 states, 2 states have (on average 75.5) internal successors, (151), 2 states have internal predecessors, (151), 2 states have call successors, (122), 2 states have call predecessors, (122), 2 states have return successors, (122), 2 states have call predecessors, (122), 2 states have call successors, (122) [2023-12-23 04:40:45,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 04:40:45,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 04:40:45,599 INFO L93 Difference]: Finished difference Result 639 states and 1230 transitions. [2023-12-23 04:40:45,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-23 04:40:45,638 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 75.5) internal successors, (151), 2 states have internal predecessors, (151), 2 states have call successors, (122), 2 states have call predecessors, (122), 2 states have return successors, (122), 2 states have call predecessors, (122), 2 states have call successors, (122) Word has length 754 [2023-12-23 04:40:45,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 04:40:45,645 INFO L225 Difference]: With dead ends: 639 [2023-12-23 04:40:45,646 INFO L226 Difference]: Without dead ends: 319 [2023-12-23 04:40:45,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 753 GetRequests, 753 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-23 04:40:45,663 INFO L413 NwaCegarLoop]: 545 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-23 04:40:45,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 545 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-23 04:40:45,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2023-12-23 04:40:45,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2023-12-23 04:40:45,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 195 states have (on average 1.558974358974359) internal successors, (304), 195 states have internal predecessors, (304), 122 states have call successors, (122), 1 states have call predecessors, (122), 1 states have return successors, (122), 122 states have call predecessors, (122), 122 states have call successors, (122) [2023-12-23 04:40:45,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 548 transitions. [2023-12-23 04:40:45,724 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 548 transitions. Word has length 754 [2023-12-23 04:40:45,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 04:40:45,725 INFO L495 AbstractCegarLoop]: Abstraction has 319 states and 548 transitions. [2023-12-23 04:40:45,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 75.5) internal successors, (151), 2 states have internal predecessors, (151), 2 states have call successors, (122), 2 states have call predecessors, (122), 2 states have return successors, (122), 2 states have call predecessors, (122), 2 states have call successors, (122) [2023-12-23 04:40:45,725 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 548 transitions. [2023-12-23 04:40:45,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 755 [2023-12-23 04:40:45,739 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 04:40:45,739 INFO L195 NwaCegarLoop]: trace histogram [122, 122, 122, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 04:40:45,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-23 04:40:45,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 04:40:45,953 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 04:40:45,953 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 04:40:45,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1592517863, now seen corresponding path program 1 times [2023-12-23 04:40:45,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 04:40:45,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [800134166] [2023-12-23 04:40:45,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 04:40:45,955 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 04:40:45,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 04:40:45,957 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 04:40:45,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-23 04:40:47,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 04:40:47,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 1212 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-23 04:40:47,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 04:41:06,472 INFO L134 CoverageAnalysis]: Checked inductivity of 29524 backedges. 14793 proven. 195 refuted. 0 times theorem prover too weak. 14536 trivial. 0 not checked. [2023-12-23 04:41:06,486 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 04:41:08,107 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 04:41:08,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [800134166] [2023-12-23 04:41:08,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [800134166] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-23 04:41:08,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1804010837] [2023-12-23 04:41:08,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 04:41:08,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-23 04:41:08,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-23 04:41:08,153 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-23 04:41:08,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-23 04:41:09,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 04:41:10,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 1212 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-23 04:41:10,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 04:41:10,946 INFO L134 CoverageAnalysis]: Checked inductivity of 29524 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29524 trivial. 0 not checked. [2023-12-23 04:41:10,946 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 04:41:10,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1804010837] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 04:41:10,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-23 04:41:10,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-12-23 04:41:10,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133835672] [2023-12-23 04:41:10,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 04:41:10,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-23 04:41:10,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 04:41:10,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-23 04:41:10,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-23 04:41:10,957 INFO L87 Difference]: Start difference. First operand 319 states and 548 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 1 states have call successors, (122), 1 states have call predecessors, (122), 1 states have return successors, (122), 1 states have call predecessors, (122), 1 states have call successors, (122) [2023-12-23 04:41:15,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 04:41:15,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 04:41:15,618 INFO L93 Difference]: Finished difference Result 955 states and 1642 transitions. [2023-12-23 04:41:15,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-23 04:41:15,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 1 states have call successors, (122), 1 states have call predecessors, (122), 1 states have return successors, (122), 1 states have call predecessors, (122), 1 states have call successors, (122) Word has length 754 [2023-12-23 04:41:15,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 04:41:15,625 INFO L225 Difference]: With dead ends: 955 [2023-12-23 04:41:15,625 INFO L226 Difference]: Without dead ends: 637 [2023-12-23 04:41:15,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1579 GetRequests, 1574 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-23 04:41:15,627 INFO L413 NwaCegarLoop]: 685 mSDtfsCounter, 531 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 531 SdHoareTripleChecker+Valid, 1220 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-12-23 04:41:15,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [531 Valid, 1220 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-12-23 04:41:15,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2023-12-23 04:41:15,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 635. [2023-12-23 04:41:15,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 388 states have (on average 1.5515463917525774) internal successors, (602), 388 states have internal predecessors, (602), 244 states have call successors, (244), 2 states have call predecessors, (244), 2 states have return successors, (244), 244 states have call predecessors, (244), 244 states have call successors, (244) [2023-12-23 04:41:15,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 1090 transitions. [2023-12-23 04:41:15,709 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 1090 transitions. Word has length 754 [2023-12-23 04:41:15,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 04:41:15,715 INFO L495 AbstractCegarLoop]: Abstraction has 635 states and 1090 transitions. [2023-12-23 04:41:15,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 1 states have call successors, (122), 1 states have call predecessors, (122), 1 states have return successors, (122), 1 states have call predecessors, (122), 1 states have call successors, (122) [2023-12-23 04:41:15,715 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 1090 transitions. [2023-12-23 04:41:15,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 755 [2023-12-23 04:41:15,725 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 04:41:15,726 INFO L195 NwaCegarLoop]: trace histogram [122, 122, 122, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 04:41:15,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-23 04:41:15,995 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-23 04:41:16,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 04:41:16,157 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 04:41:16,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 04:41:16,157 INFO L85 PathProgramCache]: Analyzing trace with hash 527295517, now seen corresponding path program 1 times [2023-12-23 04:41:16,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 04:41:16,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1792746941] [2023-12-23 04:41:16,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 04:41:16,159 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 04:41:16,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 04:41:16,167 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 04:41:16,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-23 04:41:17,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 04:41:17,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 1210 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-23 04:41:17,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 04:41:36,736 INFO L134 CoverageAnalysis]: Checked inductivity of 29524 backedges. 14793 proven. 195 refuted. 0 times theorem prover too weak. 14536 trivial. 0 not checked. [2023-12-23 04:41:36,736 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 04:41:38,225 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 04:41:38,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1792746941] [2023-12-23 04:41:38,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1792746941] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-23 04:41:38,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [770715682] [2023-12-23 04:41:38,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 04:41:38,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-23 04:41:38,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-23 04:41:38,228 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-23 04:41:38,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-23 04:41:39,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 04:41:39,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 1210 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-23 04:41:39,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 04:41:41,920 INFO L134 CoverageAnalysis]: Checked inductivity of 29524 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29524 trivial. 0 not checked. [2023-12-23 04:41:41,920 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 04:41:41,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [770715682] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 04:41:41,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-23 04:41:41,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-12-23 04:41:41,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377138703] [2023-12-23 04:41:41,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 04:41:41,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-23 04:41:41,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 04:41:41,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-23 04:41:41,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-23 04:41:41,923 INFO L87 Difference]: Start difference. First operand 635 states and 1090 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 1 states have call successors, (122), 1 states have call predecessors, (122), 1 states have return successors, (122), 1 states have call predecessors, (122), 1 states have call successors, (122) [2023-12-23 04:41:45,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.67s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 04:41:47,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 04:41:47,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 04:41:47,411 INFO L93 Difference]: Finished difference Result 1346 states and 2326 transitions. [2023-12-23 04:41:47,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-23 04:41:47,412 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 1 states have call successors, (122), 1 states have call predecessors, (122), 1 states have return successors, (122), 1 states have call predecessors, (122), 1 states have call successors, (122) Word has length 754 [2023-12-23 04:41:47,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 04:41:47,418 INFO L225 Difference]: With dead ends: 1346 [2023-12-23 04:41:47,419 INFO L226 Difference]: Without dead ends: 712 [2023-12-23 04:41:47,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1579 GetRequests, 1574 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-23 04:41:47,427 INFO L413 NwaCegarLoop]: 929 mSDtfsCounter, 506 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 1464 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-12-23 04:41:47,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 1464 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2023-12-23 04:41:47,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2023-12-23 04:41:47,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 710. [2023-12-23 04:41:47,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 710 states, 463 states have (on average 1.6090712742980562) internal successors, (745), 463 states have internal predecessors, (745), 244 states have call successors, (244), 2 states have call predecessors, (244), 2 states have return successors, (244), 244 states have call predecessors, (244), 244 states have call successors, (244) [2023-12-23 04:41:47,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 1233 transitions. [2023-12-23 04:41:47,489 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 1233 transitions. Word has length 754 [2023-12-23 04:41:47,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 04:41:47,493 INFO L495 AbstractCegarLoop]: Abstraction has 710 states and 1233 transitions. [2023-12-23 04:41:47,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 1 states have call successors, (122), 1 states have call predecessors, (122), 1 states have return successors, (122), 1 states have call predecessors, (122), 1 states have call successors, (122) [2023-12-23 04:41:47,493 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 1233 transitions. [2023-12-23 04:41:47,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 755 [2023-12-23 04:41:47,499 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 04:41:47,499 INFO L195 NwaCegarLoop]: trace histogram [122, 122, 122, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 04:41:47,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-23 04:41:47,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-23 04:41:47,915 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=3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2023-12-23 04:41:47,916 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 04:41:47,916 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 04:41:47,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1458504357, now seen corresponding path program 1 times [2023-12-23 04:41:47,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 04:41:47,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1171946133] [2023-12-23 04:41:47,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 04:41:47,918 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 04:41:47,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 04:41:47,920 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) [2023-12-23 04:41:47,955 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 [2023-12-23 04:41:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 04:41:49,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 1213 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-23 04:41:49,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 04:42:07,911 INFO L134 CoverageAnalysis]: Checked inductivity of 29524 backedges. 14793 proven. 195 refuted. 0 times theorem prover too weak. 14536 trivial. 0 not checked. [2023-12-23 04:42:07,912 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 04:42:09,412 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 04:42:09,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1171946133] [2023-12-23 04:42:09,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1171946133] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-23 04:42:09,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [188735242] [2023-12-23 04:42:09,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 04:42:09,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-23 04:42:09,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-23 04:42:09,414 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-23 04:42:09,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-23 04:42:11,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 04:42:11,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 1213 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-23 04:42:11,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 04:42:13,738 INFO L134 CoverageAnalysis]: Checked inductivity of 29524 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29524 trivial. 0 not checked. [2023-12-23 04:42:13,738 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-23 04:42:13,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [188735242] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-23 04:42:13,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-23 04:42:13,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2023-12-23 04:42:13,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215905491] [2023-12-23 04:42:13,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-23 04:42:13,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-23 04:42:13,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 04:42:13,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-23 04:42:13,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-12-23 04:42:13,741 INFO L87 Difference]: Start difference. First operand 710 states and 1233 transitions. Second operand has 5 states, 5 states have (on average 29.4) internal successors, (147), 5 states have internal predecessors, (147), 1 states have call successors, (122), 1 states have call predecessors, (122), 1 states have return successors, (122), 1 states have call predecessors, (122), 1 states have call successors, (122) [2023-12-23 04:42:17,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 04:42:18,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 04:42:25,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 04:42:33,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.58s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 04:42:40,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.45s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 04:42:45,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.09s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 04:42:48,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.24s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 04:42:55,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 04:43:03,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.50s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 04:43:07,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 04:43:07,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 04:43:07,477 INFO L93 Difference]: Finished difference Result 3894 states and 6827 transitions. [2023-12-23 04:43:08,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-23 04:43:08,524 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 5 states have internal predecessors, (147), 1 states have call successors, (122), 1 states have call predecessors, (122), 1 states have return successors, (122), 1 states have call predecessors, (122), 1 states have call successors, (122) Word has length 754 [2023-12-23 04:43:08,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 04:43:08,545 INFO L225 Difference]: With dead ends: 3894 [2023-12-23 04:43:08,546 INFO L226 Difference]: Without dead ends: 3185 [2023-12-23 04:43:08,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1583 GetRequests, 1574 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-12-23 04:43:08,554 INFO L413 NwaCegarLoop]: 608 mSDtfsCounter, 1804 mSDsluCounter, 2165 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 337 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1804 SdHoareTripleChecker+Valid, 2773 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 337 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.0s IncrementalHoareTripleChecker+Time [2023-12-23 04:43:08,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1804 Valid, 2773 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [337 Valid, 311 Invalid, 5 Unknown, 0 Unchecked, 53.0s Time] [2023-12-23 04:43:08,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3185 states. [2023-12-23 04:43:08,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3185 to 3167. [2023-12-23 04:43:08,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3167 states, 2250 states have (on average 1.6613333333333333) internal successors, (3738), 2258 states have internal predecessors, (3738), 904 states have call successors, (904), 12 states have call predecessors, (904), 12 states have return successors, (904), 896 states have call predecessors, (904), 904 states have call successors, (904) [2023-12-23 04:43:08,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3167 states to 3167 states and 5546 transitions. [2023-12-23 04:43:08,812 INFO L78 Accepts]: Start accepts. Automaton has 3167 states and 5546 transitions. Word has length 754 [2023-12-23 04:43:08,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 04:43:08,815 INFO L495 AbstractCegarLoop]: Abstraction has 3167 states and 5546 transitions. [2023-12-23 04:43:08,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.4) internal successors, (147), 5 states have internal predecessors, (147), 1 states have call successors, (122), 1 states have call predecessors, (122), 1 states have return successors, (122), 1 states have call predecessors, (122), 1 states have call successors, (122) [2023-12-23 04:43:08,822 INFO L276 IsEmpty]: Start isEmpty. Operand 3167 states and 5546 transitions. [2023-12-23 04:43:08,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 755 [2023-12-23 04:43:08,829 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 04:43:08,829 INFO L195 NwaCegarLoop]: trace histogram [122, 122, 122, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 04:43:08,872 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2023-12-23 04:43:09,065 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-23 04:43:09,266 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=3,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2023-12-23 04:43:09,266 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 04:43:09,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 04:43:09,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1031024605, now seen corresponding path program 1 times [2023-12-23 04:43:09,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 04:43:09,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [3079029] [2023-12-23 04:43:09,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 04:43:09,269 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 04:43:09,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 04:43:09,270 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) [2023-12-23 04:43:09,272 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 [2023-12-23 04:43:10,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 04:43:10,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 1213 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-23 04:43:10,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 04:43:30,872 INFO L134 CoverageAnalysis]: Checked inductivity of 29524 backedges. 14793 proven. 195 refuted. 0 times theorem prover too weak. 14536 trivial. 0 not checked. [2023-12-23 04:43:30,872 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 04:43:32,549 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 04:43:32,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [3079029] [2023-12-23 04:43:32,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [3079029] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-23 04:43:32,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [393949630] [2023-12-23 04:43:32,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 04:43:32,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-23 04:43:32,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-23 04:43:32,551 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-23 04:43:32,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-23 04:43:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 04:43:38,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 1213 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-23 04:43:38,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 04:43:58,082 INFO L134 CoverageAnalysis]: Checked inductivity of 29524 backedges. 14793 proven. 195 refuted. 0 times theorem prover too weak. 14536 trivial. 0 not checked. [2023-12-23 04:43:58,082 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 04:43:59,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [393949630] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-23 04:43:59,242 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 04:43:59,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2023-12-23 04:43:59,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532329787] [2023-12-23 04:43:59,243 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 04:43:59,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-23 04:43:59,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 04:43:59,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-23 04:43:59,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-23 04:43:59,250 INFO L87 Difference]: Start difference. First operand 3167 states and 5546 transitions. Second operand has 5 states, 5 states have (on average 30.6) internal successors, (153), 5 states have internal predecessors, (153), 2 states have call successors, (122), 2 states have call predecessors, (122), 3 states have return successors, (122), 2 states have call predecessors, (122), 2 states have call successors, (122) [2023-12-23 04:44:17,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 04:44:18,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 04:44:20,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 04:44:20,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 04:44:20,858 INFO L93 Difference]: Finished difference Result 6373 states and 11127 transitions. [2023-12-23 04:44:20,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-23 04:44:20,892 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.6) internal successors, (153), 5 states have internal predecessors, (153), 2 states have call successors, (122), 2 states have call predecessors, (122), 3 states have return successors, (122), 2 states have call predecessors, (122), 2 states have call successors, (122) Word has length 754 [2023-12-23 04:44:20,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 04:44:20,907 INFO L225 Difference]: With dead ends: 6373 [2023-12-23 04:44:20,907 INFO L226 Difference]: Without dead ends: 3207 [2023-12-23 04:44:20,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1657 GetRequests, 1649 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-12-23 04:44:20,915 INFO L413 NwaCegarLoop]: 416 mSDtfsCounter, 297 mSDsluCounter, 586 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 1002 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2023-12-23 04:44:20,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 1002 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 20.7s Time] [2023-12-23 04:44:20,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3207 states. [2023-12-23 04:44:21,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3207 to 3183. [2023-12-23 04:44:21,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3183 states, 2262 states have (on average 1.6419098143236075) internal successors, (3714), 2270 states have internal predecessors, (3714), 904 states have call successors, (904), 16 states have call predecessors, (904), 16 states have return successors, (904), 896 states have call predecessors, (904), 904 states have call successors, (904) [2023-12-23 04:44:21,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3183 states to 3183 states and 5522 transitions. [2023-12-23 04:44:21,134 INFO L78 Accepts]: Start accepts. Automaton has 3183 states and 5522 transitions. Word has length 754 [2023-12-23 04:44:21,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 04:44:21,135 INFO L495 AbstractCegarLoop]: Abstraction has 3183 states and 5522 transitions. [2023-12-23 04:44:21,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.6) internal successors, (153), 5 states have internal predecessors, (153), 2 states have call successors, (122), 2 states have call predecessors, (122), 3 states have return successors, (122), 2 states have call predecessors, (122), 2 states have call successors, (122) [2023-12-23 04:44:21,135 INFO L276 IsEmpty]: Start isEmpty. Operand 3183 states and 5522 transitions. [2023-12-23 04:44:21,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 755 [2023-12-23 04:44:21,141 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 04:44:21,142 INFO L195 NwaCegarLoop]: trace histogram [122, 122, 122, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 04:44:21,185 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 [2023-12-23 04:44:21,394 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-12-23 04:44:21,564 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=3,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2023-12-23 04:44:21,565 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 04:44:21,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 04:44:21,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1512104863, now seen corresponding path program 1 times [2023-12-23 04:44:21,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 04:44:21,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1839813513] [2023-12-23 04:44:21,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 04:44:21,566 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 04:44:21,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 04:44:21,568 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 04:44:21,603 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 (11)] Waiting until timeout for monitored process [2023-12-23 04:44:23,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 04:44:23,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 1214 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-23 04:44:23,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 04:44:55,947 INFO L134 CoverageAnalysis]: Checked inductivity of 29524 backedges. 6141 proven. 321 refuted. 0 times theorem prover too weak. 23062 trivial. 0 not checked. [2023-12-23 04:44:55,948 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 04:45:09,350 INFO L134 CoverageAnalysis]: Checked inductivity of 29524 backedges. 42 proven. 321 refuted. 0 times theorem prover too weak. 29161 trivial. 0 not checked. [2023-12-23 04:45:09,350 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 04:45:09,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1839813513] [2023-12-23 04:45:09,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1839813513] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-23 04:45:09,350 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 04:45:09,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-12-23 04:45:09,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840696695] [2023-12-23 04:45:09,351 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 04:45:09,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-23 04:45:09,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 04:45:09,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-23 04:45:09,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-23 04:45:09,353 INFO L87 Difference]: Start difference. First operand 3183 states and 5522 transitions. Second operand has 7 states, 7 states have (on average 22.285714285714285) internal successors, (156), 7 states have internal predecessors, (156), 2 states have call successors, (229), 2 states have call predecessors, (229), 4 states have return successors, (230), 2 states have call predecessors, (230), 2 states have call successors, (230) [2023-12-23 04:45:29,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 04:45:31,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 04:45:31,901 INFO L93 Difference]: Finished difference Result 6462 states and 11142 transitions. [2023-12-23 04:45:31,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-23 04:45:31,902 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.285714285714285) internal successors, (156), 7 states have internal predecessors, (156), 2 states have call successors, (229), 2 states have call predecessors, (229), 4 states have return successors, (230), 2 states have call predecessors, (230), 2 states have call successors, (230) Word has length 754 [2023-12-23 04:45:31,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 04:45:31,917 INFO L225 Difference]: With dead ends: 6462 [2023-12-23 04:45:31,917 INFO L226 Difference]: Without dead ends: 3280 [2023-12-23 04:45:31,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1510 GetRequests, 1500 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-23 04:45:31,926 INFO L413 NwaCegarLoop]: 440 mSDtfsCounter, 187 mSDsluCounter, 637 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 1077 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.7s IncrementalHoareTripleChecker+Time [2023-12-23 04:45:31,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 1077 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 749 Invalid, 0 Unknown, 0 Unchecked, 21.7s Time] [2023-12-23 04:45:31,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3280 states. [2023-12-23 04:45:32,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3280 to 3253. [2023-12-23 04:45:32,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3253 states, 2306 states have (on average 1.624457935819601) internal successors, (3746), 2315 states have internal predecessors, (3746), 918 states have call successors, (918), 28 states have call predecessors, (918), 28 states have return successors, (918), 909 states have call predecessors, (918), 918 states have call successors, (918) [2023-12-23 04:45:32,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3253 states to 3253 states and 5582 transitions. [2023-12-23 04:45:32,166 INFO L78 Accepts]: Start accepts. Automaton has 3253 states and 5582 transitions. Word has length 754 [2023-12-23 04:45:32,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 04:45:32,167 INFO L495 AbstractCegarLoop]: Abstraction has 3253 states and 5582 transitions. [2023-12-23 04:45:32,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.285714285714285) internal successors, (156), 7 states have internal predecessors, (156), 2 states have call successors, (229), 2 states have call predecessors, (229), 4 states have return successors, (230), 2 states have call predecessors, (230), 2 states have call successors, (230) [2023-12-23 04:45:32,177 INFO L276 IsEmpty]: Start isEmpty. Operand 3253 states and 5582 transitions. [2023-12-23 04:45:32,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 756 [2023-12-23 04:45:32,184 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 04:45:32,184 INFO L195 NwaCegarLoop]: trace histogram [122, 122, 122, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 04:45:32,228 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 (11)] Ended with exit code 0 [2023-12-23 04:45:32,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 04:45:32,401 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 04:45:32,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 04:45:32,401 INFO L85 PathProgramCache]: Analyzing trace with hash -529935391, now seen corresponding path program 1 times [2023-12-23 04:45:32,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 04:45:32,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2145661330] [2023-12-23 04:45:32,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 04:45:32,402 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 04:45:32,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 04:45:32,405 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 04:45:32,432 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 (12)] Waiting until timeout for monitored process [2023-12-23 04:45:33,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 04:45:34,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 1215 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-23 04:45:34,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 04:46:39,336 INFO L134 CoverageAnalysis]: Checked inductivity of 29524 backedges. 6250 proven. 636 refuted. 0 times theorem prover too weak. 22638 trivial. 0 not checked. [2023-12-23 04:46:39,336 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-23 04:46:54,175 INFO L134 CoverageAnalysis]: Checked inductivity of 29524 backedges. 42 proven. 321 refuted. 0 times theorem prover too weak. 29161 trivial. 0 not checked. [2023-12-23 04:46:54,175 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-23 04:46:54,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2145661330] [2023-12-23 04:46:54,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2145661330] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-23 04:46:54,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-23 04:46:54,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 14 [2023-12-23 04:46:54,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305964808] [2023-12-23 04:46:54,176 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-23 04:46:54,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-23 04:46:54,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-23 04:46:54,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-23 04:46:54,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2023-12-23 04:46:54,179 INFO L87 Difference]: Start difference. First operand 3253 states and 5582 transitions. Second operand has 14 states, 14 states have (on average 20.571428571428573) internal successors, (288), 14 states have internal predecessors, (288), 3 states have call successors, (229), 3 states have call predecessors, (229), 5 states have return successors, (230), 3 states have call predecessors, (230), 3 states have call successors, (230) [2023-12-23 04:47:31,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-23 04:47:53,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-23 04:47:53,162 INFO L93 Difference]: Finished difference Result 13210 states and 22484 transitions. [2023-12-23 04:47:53,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-12-23 04:47:53,168 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 20.571428571428573) internal successors, (288), 14 states have internal predecessors, (288), 3 states have call successors, (229), 3 states have call predecessors, (229), 5 states have return successors, (230), 3 states have call predecessors, (230), 3 states have call successors, (230) Word has length 755 [2023-12-23 04:47:53,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-23 04:47:53,213 INFO L225 Difference]: With dead ends: 13210 [2023-12-23 04:47:53,213 INFO L226 Difference]: Without dead ends: 9980 [2023-12-23 04:47:53,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1538 GetRequests, 1499 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 410 ImplicationChecksByTransitivity, 12.2s TimeCoverageRelationStatistics Valid=377, Invalid=1183, Unknown=0, NotChecked=0, Total=1560 [2023-12-23 04:47:53,224 INFO L413 NwaCegarLoop]: 439 mSDtfsCounter, 1678 mSDsluCounter, 2326 mSDsCounter, 0 mSdLazyCounter, 1786 mSolverCounterSat, 665 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1708 SdHoareTripleChecker+Valid, 2765 SdHoareTripleChecker+Invalid, 2451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 665 IncrementalHoareTripleChecker+Valid, 1786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.9s IncrementalHoareTripleChecker+Time [2023-12-23 04:47:53,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1708 Valid, 2765 Invalid, 2451 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [665 Valid, 1786 Invalid, 0 Unknown, 0 Unchecked, 49.9s Time] [2023-12-23 04:47:53,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9980 states. [2023-12-23 04:47:54,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9980 to 9853. [2023-12-23 04:47:54,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9853 states, 7006 states have (on average 1.609763060234085) internal successors, (11278), 7031 states have internal predecessors, (11278), 2726 states have call successors, (2726), 120 states have call predecessors, (2726), 120 states have return successors, (2726), 2701 states have call predecessors, (2726), 2726 states have call successors, (2726) [2023-12-23 04:47:54,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9853 states to 9853 states and 16730 transitions. [2023-12-23 04:47:54,194 INFO L78 Accepts]: Start accepts. Automaton has 9853 states and 16730 transitions. Word has length 755 [2023-12-23 04:47:54,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-23 04:47:54,194 INFO L495 AbstractCegarLoop]: Abstraction has 9853 states and 16730 transitions. [2023-12-23 04:47:54,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 20.571428571428573) internal successors, (288), 14 states have internal predecessors, (288), 3 states have call successors, (229), 3 states have call predecessors, (229), 5 states have return successors, (230), 3 states have call predecessors, (230), 3 states have call successors, (230) [2023-12-23 04:47:54,195 INFO L276 IsEmpty]: Start isEmpty. Operand 9853 states and 16730 transitions. [2023-12-23 04:47:54,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 756 [2023-12-23 04:47:54,201 INFO L187 NwaCegarLoop]: Found error trace [2023-12-23 04:47:54,202 INFO L195 NwaCegarLoop]: trace histogram [122, 122, 122, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 04:47:54,260 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 (12)] Forceful destruction successful, exit code 0 [2023-12-23 04:47:54,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 04:47:54,416 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-23 04:47:54,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-23 04:47:54,417 INFO L85 PathProgramCache]: Analyzing trace with hash 279411235, now seen corresponding path program 1 times [2023-12-23 04:47:54,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-23 04:47:54,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1692390800] [2023-12-23 04:47:54,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-23 04:47:54,418 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 04:47:54,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-23 04:47:54,419 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-23 04:47:54,421 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 (13)] Waiting until timeout for monitored process [2023-12-23 04:47:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-23 04:47:56,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 1216 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-23 04:47:56,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-23 04:51:43,543 WARN L293 SmtUtils]: Spent 12.56s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-23 04:51:46,219 INFO L134 CoverageAnalysis]: Checked inductivity of 29524 backedges. 4694 proven. 660 refuted. 0 times theorem prover too weak. 24170 trivial. 0 not checked. [2023-12-23 04:51:46,220 INFO L327 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2023-12-23 04:54:33,714 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 (13)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 04:54:33,716 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-23 04:54:33,851 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-23 04:54:33,897 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 (13)] Forceful destruction successful, exit code 0 [2023-12-23 04:54:34,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-23 04:54:34,052 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 756 with TraceHistMax 122,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. [2023-12-23 04:54:34,056 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-12-23 04:54:34,057 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-23 04:54:34,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 04:54:34 BoogieIcfgContainer [2023-12-23 04:54:34,059 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-23 04:54:34,059 INFO L158 Benchmark]: Toolchain (without parser) took 871798.75ms. Allocated memory was 179.3MB in the beginning and 231.7MB in the end (delta: 52.4MB). Free memory was 124.8MB in the beginning and 75.9MB in the end (delta: 48.9MB). Peak memory consumption was 102.2MB. Max. memory is 8.0GB. [2023-12-23 04:54:34,059 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 179.3MB. Free memory was 126.7MB in the beginning and 126.6MB in the end (delta: 134.8kB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-23 04:54:34,059 INFO L158 Benchmark]: CACSL2BoogieTranslator took 484.46ms. Allocated memory is still 179.3MB. Free memory was 124.8MB in the beginning and 93.1MB in the end (delta: 31.7MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. [2023-12-23 04:54:34,060 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.47ms. Allocated memory is still 179.3MB. Free memory was 93.1MB in the beginning and 86.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-12-23 04:54:34,060 INFO L158 Benchmark]: Boogie Preprocessor took 98.48ms. Allocated memory is still 179.3MB. Free memory was 86.8MB in the beginning and 78.1MB in the end (delta: 8.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2023-12-23 04:54:34,060 INFO L158 Benchmark]: RCFGBuilder took 38249.31ms. Allocated memory was 179.3MB in the beginning and 231.7MB in the end (delta: 52.4MB). Free memory was 78.1MB in the beginning and 126.2MB in the end (delta: -48.1MB). Peak memory consumption was 21.5MB. Max. memory is 8.0GB. [2023-12-23 04:54:34,060 INFO L158 Benchmark]: TraceAbstraction took 832880.38ms. Allocated memory is still 231.7MB. Free memory was 125.6MB in the beginning and 75.9MB in the end (delta: 49.7MB). Peak memory consumption was 49.3MB. Max. memory is 8.0GB. [2023-12-23 04:54:34,061 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 179.3MB. Free memory was 126.7MB in the beginning and 126.6MB in the end (delta: 134.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 484.46ms. Allocated memory is still 179.3MB. Free memory was 124.8MB in the beginning and 93.1MB in the end (delta: 31.7MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 81.47ms. Allocated memory is still 179.3MB. Free memory was 93.1MB in the beginning and 86.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 98.48ms. Allocated memory is still 179.3MB. Free memory was 86.8MB in the beginning and 78.1MB in the end (delta: 8.8MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * RCFGBuilder took 38249.31ms. Allocated memory was 179.3MB in the beginning and 231.7MB in the end (delta: 52.4MB). Free memory was 78.1MB in the beginning and 126.2MB in the end (delta: -48.1MB). Peak memory consumption was 21.5MB. Max. memory is 8.0GB. * TraceAbstraction took 832880.38ms. Allocated memory is still 231.7MB. Free memory was 125.6MB in the beginning and 75.9MB in the end (delta: 49.7MB). Peak memory consumption was 49.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 756 with TraceHistMax 122,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 321 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 832.8s, OverallIterations: 8, TraceHistogramMax: 122, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 171.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 mSolverCounterUnknown, 5103 SdHoareTripleChecker+Valid, 157.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5003 mSDsluCounter, 10846 SdHoareTripleChecker+Invalid, 153.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6784 mSDsCounter, 1087 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3486 IncrementalHoareTripleChecker+Invalid, 4578 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1087 mSolverCounterUnsat, 4062 mSDtfsCounter, 3486 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10199 GetRequests, 10123 SyntacticMatches, 2 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 426 ImplicationChecksByTransitivity, 20.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9853occurred in iteration=7, InterpolantAutomatonStates: 66, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 7 MinimizatonAttempts, 200 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 20.2s SatisfiabilityAnalysisTime, 235.9s InterpolantComputationTime, 8295 NumberOfCodeBlocks, 8295 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 9791 ConstructedInterpolants, 0 QuantifiedInterpolants, 22696 SizeOfPredicates, 25 NumberOfNonLiveVariables, 13337 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 13 InterpolantComputations, 4 PerfectInterpolantSequences, 381238/383812 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