/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_operatoramount_amount25_file-8.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-24 08:59:24,233 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-24 08:59:24,306 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-24 08:59:24,310 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-24 08:59:24,311 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-24 08:59:24,332 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-24 08:59:24,333 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-24 08:59:24,333 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-24 08:59:24,333 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-24 08:59:24,336 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-24 08:59:24,336 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-24 08:59:24,337 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-24 08:59:24,337 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-24 08:59:24,338 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-24 08:59:24,338 INFO L153 SettingsManager]: * Use SBE=true [2023-12-24 08:59:24,339 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-24 08:59:24,339 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-24 08:59:24,339 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-24 08:59:24,339 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-24 08:59:24,339 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-24 08:59:24,339 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-24 08:59:24,340 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-24 08:59:24,340 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-24 08:59:24,340 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-24 08:59:24,340 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-24 08:59:24,340 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-24 08:59:24,340 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-24 08:59:24,341 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-24 08:59:24,341 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-24 08:59:24,341 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-24 08:59:24,342 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-24 08:59:24,342 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-24 08:59:24,342 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-24 08:59:24,342 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-24 08:59:24,342 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 08:59:24,342 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-24 08:59:24,342 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-24 08:59:24,342 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-24 08:59:24,343 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-24 08:59:24,343 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-24 08:59:24,343 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-24 08:59:24,343 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-24 08:59:24,343 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-24 08:59:24,343 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-24 08:59:24,343 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-24 08:59:24,344 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-24 08:59:24,344 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-24 08:59:24,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-24 08:59:24,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-24 08:59:24,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-24 08:59:24,528 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-24 08:59:24,528 INFO L274 PluginConnector]: CDTParser initialized [2023-12-24 08:59:24,529 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-8.i [2023-12-24 08:59:25,387 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-24 08:59:25,535 INFO L384 CDTParser]: Found 1 translation units. [2023-12-24 08:59:25,536 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount25_file-8.i [2023-12-24 08:59:25,544 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d83e90ce8/0469e9580d40497cb23d1434108f9525/FLAGd9792ae17 [2023-12-24 08:59:25,553 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d83e90ce8/0469e9580d40497cb23d1434108f9525 [2023-12-24 08:59:25,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-24 08:59:25,561 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-24 08:59:25,563 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-24 08:59:25,563 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-24 08:59:25,574 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-24 08:59:25,575 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 08:59:25" (1/1) ... [2023-12-24 08:59:25,575 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3920ee64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:59:25, skipping insertion in model container [2023-12-24 08:59:25,575 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 08:59:25" (1/1) ... [2023-12-24 08:59:25,598 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-24 08:59:25,694 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_operatoramount_amount25_file-8.i[914,927] [2023-12-24 08:59:25,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 08:59:25,735 INFO L202 MainTranslator]: Completed pre-run [2023-12-24 08:59:25,743 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_operatoramount_amount25_file-8.i[914,927] [2023-12-24 08:59:25,757 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 08:59:25,768 INFO L206 MainTranslator]: Completed translation [2023-12-24 08:59:25,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:59:25 WrapperNode [2023-12-24 08:59:25,769 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-24 08:59:25,769 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-24 08:59:25,769 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-24 08:59:25,769 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-24 08:59:25,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:59:25" (1/1) ... [2023-12-24 08:59:25,781 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:59:25" (1/1) ... [2023-12-24 08:59:25,799 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2023-12-24 08:59:25,799 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-24 08:59:25,799 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-24 08:59:25,800 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-24 08:59:25,800 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-24 08:59:25,806 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:59:25" (1/1) ... [2023-12-24 08:59:25,806 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:59:25" (1/1) ... [2023-12-24 08:59:25,809 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:59:25" (1/1) ... [2023-12-24 08:59:25,817 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]. [2023-12-24 08:59:25,817 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:59:25" (1/1) ... [2023-12-24 08:59:25,817 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:59:25" (1/1) ... [2023-12-24 08:59:25,822 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:59:25" (1/1) ... [2023-12-24 08:59:25,824 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:59:25" (1/1) ... [2023-12-24 08:59:25,825 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:59:25" (1/1) ... [2023-12-24 08:59:25,826 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:59:25" (1/1) ... [2023-12-24 08:59:25,828 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-24 08:59:25,829 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-24 08:59:25,829 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-24 08:59:25,829 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-24 08:59:25,829 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:59:25" (1/1) ... [2023-12-24 08:59:25,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 08:59:25,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-24 08:59:25,851 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) [2023-12-24 08:59:25,880 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 [2023-12-24 08:59:25,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-24 08:59:25,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-24 08:59:25,883 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-24 08:59:25,884 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-24 08:59:25,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-24 08:59:25,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-24 08:59:25,970 INFO L241 CfgBuilder]: Building ICFG [2023-12-24 08:59:25,972 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-24 08:59:27,051 INFO L282 CfgBuilder]: Performing block encoding [2023-12-24 08:59:27,092 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-24 08:59:27,092 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-24 08:59:27,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 08:59:27 BoogieIcfgContainer [2023-12-24 08:59:27,093 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-24 08:59:27,094 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-24 08:59:27,094 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-24 08:59:27,097 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-24 08:59:27,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.12 08:59:25" (1/3) ... [2023-12-24 08:59:27,097 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46b8e844 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 08:59:27, skipping insertion in model container [2023-12-24 08:59:27,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 08:59:25" (2/3) ... [2023-12-24 08:59:27,098 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46b8e844 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 08:59:27, skipping insertion in model container [2023-12-24 08:59:27,098 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 08:59:27" (3/3) ... [2023-12-24 08:59:27,098 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-8.i [2023-12-24 08:59:27,112 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-24 08:59:27,112 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-24 08:59:27,149 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-24 08:59:27,154 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;@33896482, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-24 08:59:27,154 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-24 08:59:27,157 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 27 states have internal predecessors, (35), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-24 08:59:27,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-24 08:59:27,168 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 08:59:27,169 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 08:59:27,169 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 08:59:27,174 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 08:59:27,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1163524560, now seen corresponding path program 1 times [2023-12-24 08:59:27,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 08:59:27,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [399360968] [2023-12-24 08:59:27,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 08:59:27,187 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 [2023-12-24 08:59:27,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 08:59:27,189 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) [2023-12-24 08:59:27,192 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 [2023-12-24 08:59:27,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 08:59:27,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-24 08:59:27,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 08:59:27,448 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2023-12-24 08:59:27,448 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 08:59:27,448 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 08:59:27,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [399360968] [2023-12-24 08:59:27,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [399360968] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 08:59:27,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 08:59:27,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-24 08:59:27,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805416559] [2023-12-24 08:59:27,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 08:59:27,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-24 08:59:27,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 08:59:27,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-24 08:59:27,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-24 08:59:27,479 INFO L87 Difference]: Start difference. First operand has 49 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 27 states have internal predecessors, (35), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-24 08:59:27,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 08:59:27,845 INFO L93 Difference]: Finished difference Result 95 states and 168 transitions. [2023-12-24 08:59:27,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-24 08:59:27,859 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 121 [2023-12-24 08:59:27,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 08:59:27,865 INFO L225 Difference]: With dead ends: 95 [2023-12-24 08:59:27,865 INFO L226 Difference]: Without dead ends: 47 [2023-12-24 08:59:27,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-24 08:59:27,871 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-24 08:59:27,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-24 08:59:27,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-12-24 08:59:27,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2023-12-24 08:59:27,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-24 08:59:27,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 70 transitions. [2023-12-24 08:59:27,903 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 70 transitions. Word has length 121 [2023-12-24 08:59:27,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 08:59:27,904 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 70 transitions. [2023-12-24 08:59:27,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-24 08:59:27,904 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 70 transitions. [2023-12-24 08:59:27,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-24 08:59:27,906 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 08:59:27,906 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 08:59:27,913 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 [2023-12-24 08:59:28,113 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 [2023-12-24 08:59:28,114 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 08:59:28,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 08:59:28,114 INFO L85 PathProgramCache]: Analyzing trace with hash -2051560076, now seen corresponding path program 1 times [2023-12-24 08:59:28,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 08:59:28,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [600592551] [2023-12-24 08:59:28,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 08:59:28,115 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 [2023-12-24 08:59:28,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 08:59:28,117 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) [2023-12-24 08:59:28,118 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 [2023-12-24 08:59:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 08:59:28,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-24 08:59:28,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 08:59:28,605 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-24 08:59:28,605 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 08:59:28,605 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 08:59:28,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [600592551] [2023-12-24 08:59:28,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [600592551] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 08:59:28,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 08:59:28,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-24 08:59:28,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548395546] [2023-12-24 08:59:28,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 08:59:28,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-24 08:59:28,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 08:59:28,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-24 08:59:28,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-24 08:59:28,613 INFO L87 Difference]: Start difference. First operand 47 states and 70 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-24 08:59:29,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 08:59:29,202 INFO L93 Difference]: Finished difference Result 93 states and 139 transitions. [2023-12-24 08:59:29,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-24 08:59:29,221 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 121 [2023-12-24 08:59:29,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 08:59:29,223 INFO L225 Difference]: With dead ends: 93 [2023-12-24 08:59:29,223 INFO L226 Difference]: Without dead ends: 47 [2023-12-24 08:59:29,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-24 08:59:29,224 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 41 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-24 08:59:29,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 64 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-24 08:59:29,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-12-24 08:59:29,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2023-12-24 08:59:29,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 25 states have (on average 1.16) internal successors, (29), 25 states have internal predecessors, (29), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-24 08:59:29,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 69 transitions. [2023-12-24 08:59:29,233 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 69 transitions. Word has length 121 [2023-12-24 08:59:29,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 08:59:29,234 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 69 transitions. [2023-12-24 08:59:29,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-24 08:59:29,235 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 69 transitions. [2023-12-24 08:59:29,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-24 08:59:29,239 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 08:59:29,240 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 08:59:29,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-12-24 08:59:29,449 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 [2023-12-24 08:59:29,449 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 08:59:29,450 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 08:59:29,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1434060594, now seen corresponding path program 1 times [2023-12-24 08:59:29,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 08:59:29,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [55171929] [2023-12-24 08:59:29,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 08:59:29,451 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 [2023-12-24 08:59:29,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 08:59:29,455 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) [2023-12-24 08:59:29,467 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 [2023-12-24 08:59:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 08:59:29,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-24 08:59:29,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 08:59:29,801 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 217 proven. 48 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2023-12-24 08:59:29,801 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 08:59:29,952 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 9 proven. 48 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-12-24 08:59:29,952 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 08:59:29,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [55171929] [2023-12-24 08:59:29,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [55171929] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-24 08:59:29,953 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-24 08:59:29,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-12-24 08:59:29,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832337408] [2023-12-24 08:59:29,953 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-24 08:59:29,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-24 08:59:29,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 08:59:29,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-24 08:59:29,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-24 08:59:29,954 INFO L87 Difference]: Start difference. First operand 47 states and 69 transitions. Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 2 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2023-12-24 08:59:30,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 08:59:30,449 INFO L93 Difference]: Finished difference Result 101 states and 144 transitions. [2023-12-24 08:59:30,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-24 08:59:30,460 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 2 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 121 [2023-12-24 08:59:30,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 08:59:30,462 INFO L225 Difference]: With dead ends: 101 [2023-12-24 08:59:30,462 INFO L226 Difference]: Without dead ends: 55 [2023-12-24 08:59:30,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 234 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-24 08:59:30,463 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 28 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-24 08:59:30,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 81 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-24 08:59:30,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-12-24 08:59:30,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 51. [2023-12-24 08:59:30,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 28 states have (on average 1.1071428571428572) internal successors, (31), 28 states have internal predecessors, (31), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-24 08:59:30,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 71 transitions. [2023-12-24 08:59:30,472 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 71 transitions. Word has length 121 [2023-12-24 08:59:30,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 08:59:30,473 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 71 transitions. [2023-12-24 08:59:30,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 2 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2023-12-24 08:59:30,473 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 71 transitions. [2023-12-24 08:59:30,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-12-24 08:59:30,474 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 08:59:30,474 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 08:59:30,485 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 [2023-12-24 08:59:30,680 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 [2023-12-24 08:59:30,681 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 08:59:30,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 08:59:30,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1434120176, now seen corresponding path program 1 times [2023-12-24 08:59:30,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 08:59:30,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1820856835] [2023-12-24 08:59:30,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 08:59:30,682 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 [2023-12-24 08:59:30,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 08:59:30,683 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) [2023-12-24 08:59:30,685 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 [2023-12-24 08:59:30,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 08:59:30,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-24 08:59:30,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 09:00:13,389 WARN L293 SmtUtils]: Spent 5.94s on a formula simplification that was a NOOP. DAG size: 44 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-24 09:01:15,578 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 304 proven. 189 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2023-12-24 09:01:15,579 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-24 09:04:25,322 WARN L293 SmtUtils]: Spent 11.79s on a formula simplification that was a NOOP. DAG size: 131 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-24 09:08:54,551 WARN L293 SmtUtils]: Spent 12.00s on a formula simplification that was a NOOP. DAG size: 111 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-24 09:10:05,207 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 09:10:05,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1820856835] [2023-12-24 09:10:05,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1820856835] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-24 09:10:05,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1924721185] [2023-12-24 09:10:05,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 09:10:05,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-24 09:10:05,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2023-12-24 09:10:05,249 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) [2023-12-24 09:10:05,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-24 09:10:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 09:10:06,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-24 09:10:06,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 09:12:57,351 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 365 proven. 15 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-12-24 09:12:57,351 INFO L327 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2023-12-24 09:14:08,251 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-24 09:14:08,251 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 [2023-12-24 09:14:08,251 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 (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-24 09:14:08,427 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-24 09:14:08,436 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-12-24 09:14:08,635 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-24 09:14:08,828 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 [2023-12-24 09:14:08,828 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 122 with TraceHistMax 20,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 45 known predicates. [2023-12-24 09:14:08,832 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-24 09:14:08,834 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-24 09:14:08,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.12 09:14:08 BoogieIcfgContainer [2023-12-24 09:14:08,835 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-24 09:14:08,835 INFO L158 Benchmark]: Toolchain (without parser) took 883274.76ms. Allocated memory was 197.1MB in the beginning and 935.3MB in the end (delta: 738.2MB). Free memory was 159.1MB in the beginning and 387.4MB in the end (delta: -228.4MB). Peak memory consumption was 511.3MB. Max. memory is 8.0GB. [2023-12-24 09:14:08,836 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 197.1MB. Free memory is still 153.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-24 09:14:08,836 INFO L158 Benchmark]: CACSL2BoogieTranslator took 206.08ms. Allocated memory is still 197.1MB. Free memory was 159.0MB in the beginning and 145.5MB in the end (delta: 13.5MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-12-24 09:14:08,839 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.73ms. Allocated memory is still 197.1MB. Free memory was 145.5MB in the beginning and 143.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-24 09:14:08,839 INFO L158 Benchmark]: Boogie Preprocessor took 28.87ms. Allocated memory is still 197.1MB. Free memory was 143.4MB in the beginning and 140.7MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-24 09:14:08,839 INFO L158 Benchmark]: RCFGBuilder took 1264.06ms. Allocated memory is still 197.1MB. Free memory was 140.7MB in the beginning and 121.4MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-12-24 09:14:08,840 INFO L158 Benchmark]: TraceAbstraction took 881740.70ms. Allocated memory was 197.1MB in the beginning and 935.3MB in the end (delta: 738.2MB). Free memory was 120.8MB in the beginning and 387.4MB in the end (delta: -266.7MB). Peak memory consumption was 472.5MB. Max. memory is 8.0GB. [2023-12-24 09:14:08,844 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 197.1MB. Free memory is still 153.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 206.08ms. Allocated memory is still 197.1MB. Free memory was 159.0MB in the beginning and 145.5MB in the end (delta: 13.5MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.73ms. Allocated memory is still 197.1MB. Free memory was 145.5MB in the beginning and 143.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.87ms. Allocated memory is still 197.1MB. Free memory was 143.4MB in the beginning and 140.7MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1264.06ms. Allocated memory is still 197.1MB. Free memory was 140.7MB in the beginning and 121.4MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 881740.70ms. Allocated memory was 197.1MB in the beginning and 935.3MB in the end (delta: 738.2MB). Free memory was 120.8MB in the beginning and 387.4MB in the end (delta: -266.7MB). Peak memory consumption was 472.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 122 with TraceHistMax 20,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 45 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 881.7s, OverallIterations: 4, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 71 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 69 mSDsluCounter, 212 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 40 mSDsCounter, 51 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 129 IncrementalHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 51 mSolverCounterUnsat, 172 mSDtfsCounter, 129 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 485 GetRequests, 472 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=3, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 363 NumberOfCodeBlocks, 363 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 480 ConstructedInterpolants, 0 QuantifiedInterpolants, 1119 SizeOfPredicates, 4 NumberOfNonLiveVariables, 593 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 2944/3040 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