/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-250_file-89.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 11:10:06,801 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 11:10:06,870 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-16 11:10:06,875 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 11:10:06,876 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 11:10:06,899 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 11:10:06,900 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 11:10:06,900 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 11:10:06,900 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 11:10:06,903 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 11:10:06,903 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 11:10:06,904 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 11:10:06,904 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 11:10:06,905 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 11:10:06,905 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 11:10:06,906 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 11:10:06,906 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 11:10:06,906 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 11:10:06,906 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 11:10:06,906 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 11:10:06,907 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 11:10:06,907 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 11:10:06,907 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 11:10:06,907 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-16 11:10:06,907 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-16 11:10:06,907 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 11:10:06,908 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-16 11:10:06,908 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 11:10:06,908 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 11:10:06,908 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 11:10:06,909 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 11:10:06,909 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 11:10:06,909 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 11:10:06,909 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 11:10:06,909 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 11:10:06,909 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 11:10:06,910 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 11:10:06,910 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 11:10:06,910 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-16 11:10:06,910 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-16 11:10:06,910 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 11:10:06,910 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 11:10:06,910 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 11:10:06,910 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 11:10:06,911 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 11:10:06,911 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-16 11:10:06,911 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-16 11:10:07,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 11:10:07,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 11:10:07,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 11:10:07,126 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 11:10:07,129 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 11:10:07,130 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-89.i [2023-12-16 11:10:08,244 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 11:10:08,448 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 11:10:08,448 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-250_file-89.i [2023-12-16 11:10:08,457 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffeefae41/6b9f24a064b54188a3a8195bc3675aaa/FLAGa224e2a6d [2023-12-16 11:10:08,826 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffeefae41/6b9f24a064b54188a3a8195bc3675aaa [2023-12-16 11:10:08,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 11:10:08,829 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 11:10:08,830 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 11:10:08,830 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 11:10:08,842 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 11:10:08,843 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 11:10:08" (1/1) ... [2023-12-16 11:10:08,844 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fb9f0c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:10:08, skipping insertion in model container [2023-12-16 11:10:08,844 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 11:10:08" (1/1) ... [2023-12-16 11:10:08,891 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 11:10:08,991 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-250_file-89.i[916,929] [2023-12-16 11:10:09,069 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 11:10:09,084 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 11:10:09,092 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-250_file-89.i[916,929] [2023-12-16 11:10:09,146 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 11:10:09,172 INFO L206 MainTranslator]: Completed translation [2023-12-16 11:10:09,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:10:09 WrapperNode [2023-12-16 11:10:09,173 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 11:10:09,174 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 11:10:09,174 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 11:10:09,174 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 11:10:09,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:10:09" (1/1) ... [2023-12-16 11:10:09,194 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:10:09" (1/1) ... [2023-12-16 11:10:09,230 INFO L138 Inliner]: procedures = 27, calls = 74, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 407 [2023-12-16 11:10:09,230 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 11:10:09,231 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 11:10:09,231 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 11:10:09,231 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 11:10:09,239 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:10:09" (1/1) ... [2023-12-16 11:10:09,239 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:10:09" (1/1) ... [2023-12-16 11:10:09,245 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:10:09" (1/1) ... [2023-12-16 11:10:09,272 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]. [2023-12-16 11:10:09,272 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:10:09" (1/1) ... [2023-12-16 11:10:09,272 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:10:09" (1/1) ... [2023-12-16 11:10:09,284 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:10:09" (1/1) ... [2023-12-16 11:10:09,287 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:10:09" (1/1) ... [2023-12-16 11:10:09,290 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:10:09" (1/1) ... [2023-12-16 11:10:09,292 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:10:09" (1/1) ... [2023-12-16 11:10:09,297 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 11:10:09,297 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 11:10:09,297 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 11:10:09,297 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 11:10:09,298 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:10:09" (1/1) ... [2023-12-16 11:10:09,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 11:10:09,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 11:10:09,353 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) [2023-12-16 11:10:09,381 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 [2023-12-16 11:10:09,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 11:10:09,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-16 11:10:09,394 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 11:10:09,395 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 11:10:09,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 11:10:09,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 11:10:09,502 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 11:10:09,503 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 11:10:21,677 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 11:10:21,724 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 11:10:21,724 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 11:10:21,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 11:10:21 BoogieIcfgContainer [2023-12-16 11:10:21,725 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 11:10:21,727 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 11:10:21,727 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 11:10:21,729 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 11:10:21,730 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 11:10:08" (1/3) ... [2023-12-16 11:10:21,731 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@322a89de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 11:10:21, skipping insertion in model container [2023-12-16 11:10:21,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 11:10:09" (2/3) ... [2023-12-16 11:10:21,731 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@322a89de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 11:10:21, skipping insertion in model container [2023-12-16 11:10:21,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 11:10:21" (3/3) ... [2023-12-16 11:10:21,733 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-250_file-89.i [2023-12-16 11:10:21,747 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 11:10:21,747 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 11:10:21,787 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 11:10:21,792 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;@2ae9702c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 11:10:21,792 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 11:10:21,796 INFO L276 IsEmpty]: Start isEmpty. Operand has 175 states, 111 states have (on average 1.5945945945945945) internal successors, (177), 112 states have internal predecessors, (177), 61 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2023-12-16 11:10:21,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2023-12-16 11:10:21,820 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:10:21,821 INFO L195 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 11:10:21,821 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:10:21,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:10:21,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1827227755, now seen corresponding path program 1 times [2023-12-16 11:10:21,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:10:21,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [222191521] [2023-12-16 11:10:21,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:10:21,836 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 [2023-12-16 11:10:21,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:10:21,838 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) [2023-12-16 11:10:21,844 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 [2023-12-16 11:10:22,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:10:22,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 11:10:22,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:10:22,630 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 1016 proven. 0 refuted. 0 times theorem prover too weak. 6304 trivial. 0 not checked. [2023-12-16 11:10:22,630 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 11:10:22,631 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:10:22,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [222191521] [2023-12-16 11:10:22,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [222191521] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 11:10:22,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 11:10:22,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 11:10:22,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141900599] [2023-12-16 11:10:22,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 11:10:22,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 11:10:22,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:10:22,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 11:10:22,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 11:10:22,657 INFO L87 Difference]: Start difference. First operand has 175 states, 111 states have (on average 1.5945945945945945) internal successors, (177), 112 states have internal predecessors, (177), 61 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) Second operand has 2 states, 2 states have (on average 42.5) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2023-12-16 11:10:22,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 11:10:22,879 INFO L93 Difference]: Finished difference Result 347 states and 657 transitions. [2023-12-16 11:10:22,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 11:10:22,893 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 42.5) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) Word has length 383 [2023-12-16 11:10:22,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 11:10:22,899 INFO L225 Difference]: With dead ends: 347 [2023-12-16 11:10:22,899 INFO L226 Difference]: Without dead ends: 173 [2023-12-16 11:10:22,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 382 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 11:10:22,910 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 11:10:22,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 290 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 11:10:22,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2023-12-16 11:10:22,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2023-12-16 11:10:22,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 110 states have (on average 1.5545454545454545) internal successors, (171), 110 states have internal predecessors, (171), 61 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2023-12-16 11:10:22,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 293 transitions. [2023-12-16 11:10:22,966 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 293 transitions. Word has length 383 [2023-12-16 11:10:22,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 11:10:22,966 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 293 transitions. [2023-12-16 11:10:22,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 42.5) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2023-12-16 11:10:22,967 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 293 transitions. [2023-12-16 11:10:22,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2023-12-16 11:10:22,971 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:10:22,971 INFO L195 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 11:10:22,990 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 [2023-12-16 11:10:23,184 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 [2023-12-16 11:10:23,185 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:10:23,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:10:23,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1974069271, now seen corresponding path program 1 times [2023-12-16 11:10:23,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:10:23,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [197833685] [2023-12-16 11:10:23,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:10:23,187 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 [2023-12-16 11:10:23,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:10:23,189 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) [2023-12-16 11:10:23,190 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 [2023-12-16 11:10:23,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:10:23,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 11:10:23,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:10:26,658 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2023-12-16 11:10:26,659 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 11:10:26,659 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:10:26,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [197833685] [2023-12-16 11:10:26,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [197833685] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 11:10:26,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 11:10:26,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 11:10:26,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751489750] [2023-12-16 11:10:26,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 11:10:26,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 11:10:26,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:10:26,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 11:10:26,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 11:10:26,662 INFO L87 Difference]: Start difference. First operand 173 states and 293 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 2 states have internal predecessors, (81), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2023-12-16 11:10:27,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 11:10:27,064 INFO L93 Difference]: Finished difference Result 515 states and 873 transitions. [2023-12-16 11:10:27,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 11:10:27,065 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 2 states have internal predecessors, (81), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 383 [2023-12-16 11:10:27,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 11:10:27,073 INFO L225 Difference]: With dead ends: 515 [2023-12-16 11:10:27,073 INFO L226 Difference]: Without dead ends: 343 [2023-12-16 11:10:27,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 381 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 11:10:27,075 INFO L413 NwaCegarLoop]: 340 mSDtfsCounter, 118 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 11:10:27,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 614 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 11:10:27,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2023-12-16 11:10:27,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 340. [2023-12-16 11:10:27,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 215 states have (on average 1.5302325581395348) internal successors, (329), 215 states have internal predecessors, (329), 122 states have call successors, (122), 2 states have call predecessors, (122), 2 states have return successors, (122), 122 states have call predecessors, (122), 122 states have call successors, (122) [2023-12-16 11:10:27,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 573 transitions. [2023-12-16 11:10:27,108 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 573 transitions. Word has length 383 [2023-12-16 11:10:27,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 11:10:27,109 INFO L495 AbstractCegarLoop]: Abstraction has 340 states and 573 transitions. [2023-12-16 11:10:27,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 2 states have internal predecessors, (81), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2023-12-16 11:10:27,110 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 573 transitions. [2023-12-16 11:10:27,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2023-12-16 11:10:27,112 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:10:27,112 INFO L195 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 11:10:27,131 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-16 11:10:27,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 11:10:27,329 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:10:27,329 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:10:27,330 INFO L85 PathProgramCache]: Analyzing trace with hash 348417588, now seen corresponding path program 1 times [2023-12-16 11:10:27,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:10:27,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [965966416] [2023-12-16 11:10:27,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:10:27,331 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 [2023-12-16 11:10:27,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:10:27,332 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-16 11:10:27,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-16 11:10:27,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:10:27,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 11:10:27,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:10:29,050 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 3480 proven. 66 refuted. 0 times theorem prover too weak. 3774 trivial. 0 not checked. [2023-12-16 11:10:29,051 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 11:10:29,812 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 114 proven. 66 refuted. 0 times theorem prover too weak. 7140 trivial. 0 not checked. [2023-12-16 11:10:29,813 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:10:29,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [965966416] [2023-12-16 11:10:29,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [965966416] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 11:10:29,813 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 11:10:29,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-12-16 11:10:29,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127024409] [2023-12-16 11:10:29,813 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 11:10:29,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 11:10:29,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:10:29,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 11:10:29,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-16 11:10:29,815 INFO L87 Difference]: Start difference. First operand 340 states and 573 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 2 states have call successors, (83), 2 states have call predecessors, (83), 4 states have return successors, (84), 2 states have call predecessors, (84), 2 states have call successors, (84) [2023-12-16 11:10:32,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 11:10:32,747 INFO L93 Difference]: Finished difference Result 752 states and 1254 transitions. [2023-12-16 11:10:32,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 11:10:32,747 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 2 states have call successors, (83), 2 states have call predecessors, (83), 4 states have return successors, (84), 2 states have call predecessors, (84), 2 states have call successors, (84) Word has length 384 [2023-12-16 11:10:32,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 11:10:32,750 INFO L225 Difference]: With dead ends: 752 [2023-12-16 11:10:32,750 INFO L226 Difference]: Without dead ends: 413 [2023-12-16 11:10:32,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 770 GetRequests, 760 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-16 11:10:32,752 INFO L413 NwaCegarLoop]: 278 mSDtfsCounter, 180 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-12-16 11:10:32,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 686 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-12-16 11:10:32,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2023-12-16 11:10:32,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 406. [2023-12-16 11:10:32,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 241 states have (on average 1.4481327800829875) internal successors, (349), 242 states have internal predecessors, (349), 160 states have call successors, (160), 4 states have call predecessors, (160), 4 states have return successors, (160), 159 states have call predecessors, (160), 160 states have call successors, (160) [2023-12-16 11:10:32,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 669 transitions. [2023-12-16 11:10:32,821 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 669 transitions. Word has length 384 [2023-12-16 11:10:32,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 11:10:32,823 INFO L495 AbstractCegarLoop]: Abstraction has 406 states and 669 transitions. [2023-12-16 11:10:32,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 7 states have internal predecessors, (91), 2 states have call successors, (83), 2 states have call predecessors, (83), 4 states have return successors, (84), 2 states have call predecessors, (84), 2 states have call successors, (84) [2023-12-16 11:10:32,823 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 669 transitions. [2023-12-16 11:10:32,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2023-12-16 11:10:32,828 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:10:32,828 INFO L195 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 11:10:32,844 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-16 11:10:33,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-16 11:10:33,048 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:10:33,048 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:10:33,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1031302805, now seen corresponding path program 1 times [2023-12-16 11:10:33,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:10:33,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [584317377] [2023-12-16 11:10:33,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:10:33,049 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 [2023-12-16 11:10:33,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:10:33,050 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) [2023-12-16 11:10:33,083 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 [2023-12-16 11:10:33,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:10:33,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 11:10:33,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:10:37,044 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 3752 proven. 174 refuted. 0 times theorem prover too weak. 3394 trivial. 0 not checked. [2023-12-16 11:10:37,044 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 11:10:38,425 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:10:38,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [584317377] [2023-12-16 11:10:38,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [584317377] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 11:10:38,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1065170050] [2023-12-16 11:10:38,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:10:38,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-16 11:10:38,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-16 11:10:38,471 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) [2023-12-16 11:10:38,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-16 11:10:39,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:10:39,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 11:10:39,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:10:39,248 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2023-12-16 11:10:39,248 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 11:10:39,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1065170050] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 11:10:39,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 11:10:39,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-16 11:10:39,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405342054] [2023-12-16 11:10:39,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 11:10:39,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 11:10:39,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:10:39,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 11:10:39,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-12-16 11:10:39,250 INFO L87 Difference]: Start difference. First operand 406 states and 669 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2023-12-16 11:10:39,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 11:10:39,546 INFO L93 Difference]: Finished difference Result 1098 states and 1809 transitions. [2023-12-16 11:10:39,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 11:10:39,560 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 386 [2023-12-16 11:10:39,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 11:10:39,565 INFO L225 Difference]: With dead ends: 1098 [2023-12-16 11:10:39,565 INFO L226 Difference]: Without dead ends: 751 [2023-12-16 11:10:39,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 817 GetRequests, 807 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-12-16 11:10:39,566 INFO L413 NwaCegarLoop]: 543 mSDtfsCounter, 276 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 823 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 11:10:39,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 823 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 11:10:39,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2023-12-16 11:10:39,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 749. [2023-12-16 11:10:39,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 749 states, 458 states have (on average 1.462882096069869) internal successors, (670), 459 states have internal predecessors, (670), 282 states have call successors, (282), 8 states have call predecessors, (282), 8 states have return successors, (282), 281 states have call predecessors, (282), 282 states have call successors, (282) [2023-12-16 11:10:39,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 1234 transitions. [2023-12-16 11:10:39,629 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 1234 transitions. Word has length 386 [2023-12-16 11:10:39,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 11:10:39,629 INFO L495 AbstractCegarLoop]: Abstraction has 749 states and 1234 transitions. [2023-12-16 11:10:39,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2023-12-16 11:10:39,629 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 1234 transitions. [2023-12-16 11:10:39,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2023-12-16 11:10:39,632 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:10:39,632 INFO L195 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 11:10:39,651 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-12-16 11:10:39,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-16 11:10:40,051 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 [2023-12-16 11:10:40,052 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:10:40,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:10:40,052 INFO L85 PathProgramCache]: Analyzing trace with hash -993425895, now seen corresponding path program 1 times [2023-12-16 11:10:40,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:10:40,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [166342250] [2023-12-16 11:10:40,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:10:40,053 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 [2023-12-16 11:10:40,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:10:40,055 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) [2023-12-16 11:10:40,056 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 [2023-12-16 11:10:40,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:10:40,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 625 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 11:10:40,788 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:10:43,912 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 3752 proven. 174 refuted. 0 times theorem prover too weak. 3394 trivial. 0 not checked. [2023-12-16 11:10:43,912 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 11:10:45,394 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:10:45,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [166342250] [2023-12-16 11:10:45,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [166342250] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 11:10:45,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1540894936] [2023-12-16 11:10:45,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:10:45,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-16 11:10:45,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-16 11:10:45,396 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) [2023-12-16 11:10:45,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-16 11:10:46,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:10:46,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 625 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 11:10:46,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:10:46,172 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2023-12-16 11:10:46,172 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 11:10:46,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1540894936] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 11:10:46,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 11:10:46,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-16 11:10:46,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299411700] [2023-12-16 11:10:46,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 11:10:46,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 11:10:46,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:10:46,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 11:10:46,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-12-16 11:10:46,176 INFO L87 Difference]: Start difference. First operand 749 states and 1234 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2023-12-16 11:10:46,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 11:10:46,504 INFO L93 Difference]: Finished difference Result 1837 states and 3035 transitions. [2023-12-16 11:10:46,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 11:10:46,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 387 [2023-12-16 11:10:46,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 11:10:46,510 INFO L225 Difference]: With dead ends: 1837 [2023-12-16 11:10:46,510 INFO L226 Difference]: Without dead ends: 1147 [2023-12-16 11:10:46,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 820 GetRequests, 810 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-12-16 11:10:46,512 INFO L413 NwaCegarLoop]: 315 mSDtfsCounter, 166 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 11:10:46,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 583 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 11:10:46,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2023-12-16 11:10:46,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 1141. [2023-12-16 11:10:46,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1141 states, 757 states have (on average 1.5046235138705417) internal successors, (1139), 762 states have internal predecessors, (1139), 370 states have call successors, (370), 13 states have call predecessors, (370), 13 states have return successors, (370), 365 states have call predecessors, (370), 370 states have call successors, (370) [2023-12-16 11:10:46,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 1141 states and 1879 transitions. [2023-12-16 11:10:46,580 INFO L78 Accepts]: Start accepts. Automaton has 1141 states and 1879 transitions. Word has length 387 [2023-12-16 11:10:46,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 11:10:46,581 INFO L495 AbstractCegarLoop]: Abstraction has 1141 states and 1879 transitions. [2023-12-16 11:10:46,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2023-12-16 11:10:46,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 1879 transitions. [2023-12-16 11:10:46,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2023-12-16 11:10:46,583 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:10:46,583 INFO L195 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 11:10:46,606 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 [2023-12-16 11:10:46,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-12-16 11:10:47,000 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 [2023-12-16 11:10:47,001 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:10:47,002 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:10:47,002 INFO L85 PathProgramCache]: Analyzing trace with hash -2025143079, now seen corresponding path program 1 times [2023-12-16 11:10:47,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:10:47,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1888063732] [2023-12-16 11:10:47,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:10:47,003 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 [2023-12-16 11:10:47,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:10:47,004 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) [2023-12-16 11:10:47,030 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 [2023-12-16 11:10:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:10:47,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 11:10:47,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:10:50,749 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 3752 proven. 174 refuted. 0 times theorem prover too weak. 3394 trivial. 0 not checked. [2023-12-16 11:10:50,750 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 11:10:52,301 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:10:52,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1888063732] [2023-12-16 11:10:52,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1888063732] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 11:10:52,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [535960888] [2023-12-16 11:10:52,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:10:52,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-16 11:10:52,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-16 11:10:52,303 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) [2023-12-16 11:10:52,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-16 11:10:52,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:10:52,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 11:10:52,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:10:53,115 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7320 trivial. 0 not checked. [2023-12-16 11:10:53,116 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 11:10:53,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [535960888] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 11:10:53,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 11:10:53,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-12-16 11:10:53,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899051281] [2023-12-16 11:10:53,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 11:10:53,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 11:10:53,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:10:53,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 11:10:53,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-12-16 11:10:53,118 INFO L87 Difference]: Start difference. First operand 1141 states and 1879 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2023-12-16 11:10:53,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 11:10:53,459 INFO L93 Difference]: Finished difference Result 3281 states and 5405 transitions. [2023-12-16 11:10:53,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 11:10:53,460 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) Word has length 387 [2023-12-16 11:10:53,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 11:10:53,470 INFO L225 Difference]: With dead ends: 3281 [2023-12-16 11:10:53,470 INFO L226 Difference]: Without dead ends: 2203 [2023-12-16 11:10:53,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 820 GetRequests, 810 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-12-16 11:10:53,476 INFO L413 NwaCegarLoop]: 283 mSDtfsCounter, 280 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 11:10:53,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 561 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 11:10:53,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2203 states. [2023-12-16 11:10:53,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2203 to 2185. [2023-12-16 11:10:53,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2185 states, 1457 states have (on average 1.485929993136582) internal successors, (2165), 1466 states have internal predecessors, (2165), 702 states have call successors, (702), 25 states have call predecessors, (702), 25 states have return successors, (702), 693 states have call predecessors, (702), 702 states have call successors, (702) [2023-12-16 11:10:53,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2185 states to 2185 states and 3569 transitions. [2023-12-16 11:10:53,627 INFO L78 Accepts]: Start accepts. Automaton has 2185 states and 3569 transitions. Word has length 387 [2023-12-16 11:10:53,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 11:10:53,628 INFO L495 AbstractCegarLoop]: Abstraction has 2185 states and 3569 transitions. [2023-12-16 11:10:53,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 1 states have call successors, (61), 1 states have call predecessors, (61), 1 states have return successors, (61), 1 states have call predecessors, (61), 1 states have call successors, (61) [2023-12-16 11:10:53,628 INFO L276 IsEmpty]: Start isEmpty. Operand 2185 states and 3569 transitions. [2023-12-16 11:10:53,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2023-12-16 11:10:53,631 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 11:10:53,631 INFO L195 NwaCegarLoop]: trace histogram [61, 61, 61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 11:10:53,654 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 [2023-12-16 11:10:53,858 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-12-16 11:10:54,052 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 [2023-12-16 11:10:54,052 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 11:10:54,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 11:10:54,053 INFO L85 PathProgramCache]: Analyzing trace with hash -2025083497, now seen corresponding path program 1 times [2023-12-16 11:10:54,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-16 11:10:54,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1758245612] [2023-12-16 11:10:54,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:10:54,054 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 [2023-12-16 11:10:54,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-16 11:10:54,059 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) [2023-12-16 11:10:54,060 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 [2023-12-16 11:10:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:10:54,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 11:10:54,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:10:58,184 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 3752 proven. 174 refuted. 0 times theorem prover too weak. 3394 trivial. 0 not checked. [2023-12-16 11:10:58,184 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 11:10:59,816 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-16 11:10:59,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1758245612] [2023-12-16 11:10:59,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1758245612] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 11:10:59,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [55558205] [2023-12-16 11:10:59,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 11:10:59,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-16 11:10:59,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-16 11:10:59,817 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-16 11:10:59,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-16 11:11:02,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 11:11:02,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 11:11:02,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 11:11:10,854 INFO L134 CoverageAnalysis]: Checked inductivity of 7320 backedges. 132 proven. 2880 refuted. 0 times theorem prover too weak. 4308 trivial. 0 not checked. [2023-12-16 11:11:10,855 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 11:11:11,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [55558205] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 11:11:11,846 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 11:11:11,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 13 [2023-12-16 11:11:11,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957663304] [2023-12-16 11:11:11,848 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 11:11:11,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-16 11:11:11,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-16 11:11:11,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-16 11:11:11,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2023-12-16 11:11:11,849 INFO L87 Difference]: Start difference. First operand 2185 states and 3569 transitions. Second operand has 13 states, 13 states have (on average 12.76923076923077) internal successors, (166), 12 states have internal predecessors, (166), 5 states have call successors, (122), 5 states have call predecessors, (122), 7 states have return successors, (122), 5 states have call predecessors, (122), 5 states have call successors, (122) [2023-12-16 11:11:23,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] Received shutdown request... [2023-12-16 11:11:24,561 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 [2023-12-16 11:11:24,561 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 (11)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 11:11:24,561 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (12)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 11:11:25,577 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2023-12-16 11:11:25,599 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 (11)] Forceful destruction successful, exit code 0 [2023-12-16 11:11:25,761 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-12-16 11:11:25,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 972 GetRequests, 944 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=223, Invalid=647, Unknown=0, NotChecked=0, Total=870 [2023-12-16 11:11:25,781 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 173 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 742 mSolverCounterSat, 237 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 742 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2023-12-16 11:11:25,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 490 Invalid, 981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [237 Valid, 742 Invalid, 1 Unknown, 0 Unchecked, 10.3s Time] [2023-12-16 11:11:25,782 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 11:11:25,783 WARN L619 AbstractCegarLoop]: Verification canceled: while executing Executor. [2023-12-16 11:11:25,786 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-12-16 11:11:25,788 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 11:11:25,788 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 [2023-12-16 11:11:25,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 11:11:25 BoogieIcfgContainer [2023-12-16 11:11:25,800 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 11:11:25,800 INFO L158 Benchmark]: Toolchain (without parser) took 76971.46ms. Allocated memory is still 172.0MB. Free memory was 126.8MB in the beginning and 124.8MB in the end (delta: 2.0MB). Peak memory consumption was 93.7MB. Max. memory is 8.0GB. [2023-12-16 11:11:25,800 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 172.0MB. Free memory is still 129.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 11:11:25,801 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.49ms. Allocated memory is still 172.0MB. Free memory was 126.3MB in the beginning and 103.2MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2023-12-16 11:11:25,801 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.72ms. Allocated memory is still 172.0MB. Free memory was 103.2MB in the beginning and 99.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-16 11:11:25,801 INFO L158 Benchmark]: Boogie Preprocessor took 65.76ms. Allocated memory is still 172.0MB. Free memory was 99.0MB in the beginning and 93.2MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-16 11:11:25,801 INFO L158 Benchmark]: RCFGBuilder took 12427.51ms. Allocated memory is still 172.0MB. Free memory was 92.7MB in the beginning and 128.9MB in the end (delta: -36.2MB). Peak memory consumption was 35.6MB. Max. memory is 8.0GB. [2023-12-16 11:11:25,801 INFO L158 Benchmark]: TraceAbstraction took 64072.69ms. Allocated memory is still 172.0MB. Free memory was 127.9MB in the beginning and 124.8MB in the end (delta: 3.1MB). Peak memory consumption was 93.8MB. Max. memory is 8.0GB. [2023-12-16 11:11:25,804 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 172.0MB. Free memory is still 129.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 343.49ms. Allocated memory is still 172.0MB. Free memory was 126.3MB in the beginning and 103.2MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 56.72ms. Allocated memory is still 172.0MB. Free memory was 103.2MB in the beginning and 99.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 65.76ms. Allocated memory is still 172.0MB. Free memory was 99.0MB in the beginning and 93.2MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 12427.51ms. Allocated memory is still 172.0MB. Free memory was 92.7MB in the beginning and 128.9MB in the end (delta: -36.2MB). Peak memory consumption was 35.6MB. Max. memory is 8.0GB. * TraceAbstraction took 64072.69ms. Allocated memory is still 172.0MB. Free memory was 127.9MB in the beginning and 124.8MB in the end (delta: 3.1MB). Peak memory consumption was 93.8MB. 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 executing Executor. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 175 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 64.0s, OverallIterations: 7, TraceHistogramMax: 61, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 18.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 1231 SdHoareTripleChecker+Valid, 14.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1193 mSDsluCounter, 4047 SdHoareTripleChecker+Invalid, 13.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1866 mSDsCounter, 276 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1368 IncrementalHoareTripleChecker+Invalid, 1646 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 276 mSolverCounterUnsat, 2181 mSDtfsCounter, 1368 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4963 GetRequests, 4894 SyntacticMatches, 1 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 6.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2185occurred in iteration=6, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 36 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 8.4s SatisfiabilityAnalysisTime, 33.6s InterpolantComputationTime, 4244 NumberOfCodeBlocks, 4244 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 4616 ConstructedInterpolants, 0 QuantifiedInterpolants, 16793 SizeOfPredicates, 28 NumberOfNonLiveVariables, 6853 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 12 InterpolantComputations, 5 PerfectInterpolantSequences, 84132/87840 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