/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'cvc5 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.safe_analog_estimation_convergence.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-356b6ba-m [2024-11-01 13:56:02,210 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 13:56:02,292 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-01 13:56:02,296 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 13:56:02,297 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 13:56:02,349 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 13:56:02,349 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 13:56:02,350 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 13:56:02,352 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 13:56:02,355 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 13:56:02,356 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 13:56:02,356 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 13:56:02,357 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 13:56:02,357 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 13:56:02,357 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 13:56:02,357 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 13:56:02,358 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 13:56:02,358 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 13:56:02,359 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 13:56:02,360 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 13:56:02,360 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 13:56:02,360 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 13:56:02,360 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 13:56:02,361 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 13:56:02,361 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 13:56:02,361 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 13:56:02,361 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 13:56:02,362 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 13:56:02,362 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 13:56:02,362 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 13:56:02,362 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 13:56:02,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 13:56:02,363 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 13:56:02,363 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 13:56:02,363 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 13:56:02,364 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 13:56:02,364 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 13:56:02,365 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 13:56:02,366 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 13:56:02,366 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 13:56:02,366 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 13:56:02,366 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 13:56:02,366 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-01 13:56:02,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 13:56:02,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 13:56:02,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 13:56:02,694 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 13:56:02,694 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 13:56:02,696 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.safe_analog_estimation_convergence.c [2024-11-01 13:56:04,259 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 13:56:04,546 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 13:56:04,547 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.safe_analog_estimation_convergence.c [2024-11-01 13:56:04,556 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7b668d33/35c49b5106d04b398f4de69c05cc21bf/FLAG884bbb973 [2024-11-01 13:56:04,569 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7b668d33/35c49b5106d04b398f4de69c05cc21bf [2024-11-01 13:56:04,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 13:56:04,572 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 13:56:04,573 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 13:56:04,573 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 13:56:04,578 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 13:56:04,578 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 01:56:04" (1/1) ... [2024-11-01 13:56:04,579 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e008e3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:56:04, skipping insertion in model container [2024-11-01 13:56:04,579 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 01:56:04" (1/1) ... [2024-11-01 13:56:04,621 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 13:56:04,809 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.safe_analog_estimation_convergence.c[1287,1300] [2024-11-01 13:56:04,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 13:56:04,993 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 13:56:05,009 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.safe_analog_estimation_convergence.c[1287,1300] [2024-11-01 13:56:05,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 13:56:05,079 INFO L204 MainTranslator]: Completed translation [2024-11-01 13:56:05,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:56:05 WrapperNode [2024-11-01 13:56:05,080 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 13:56:05,081 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 13:56:05,081 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 13:56:05,082 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 13:56:05,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:56:05" (1/1) ... [2024-11-01 13:56:05,107 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:56:05" (1/1) ... [2024-11-01 13:56:05,164 INFO L138 Inliner]: procedures = 17, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 427 [2024-11-01 13:56:05,164 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 13:56:05,165 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 13:56:05,165 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 13:56:05,165 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 13:56:05,179 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:56:05" (1/1) ... [2024-11-01 13:56:05,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:56:05" (1/1) ... [2024-11-01 13:56:05,189 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:56:05" (1/1) ... [2024-11-01 13:56:05,217 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]. [2024-11-01 13:56:05,217 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:56:05" (1/1) ... [2024-11-01 13:56:05,220 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:56:05" (1/1) ... [2024-11-01 13:56:05,242 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:56:05" (1/1) ... [2024-11-01 13:56:05,245 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:56:05" (1/1) ... [2024-11-01 13:56:05,251 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:56:05" (1/1) ... [2024-11-01 13:56:05,254 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:56:05" (1/1) ... [2024-11-01 13:56:05,266 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 13:56:05,267 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 13:56:05,267 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 13:56:05,267 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 13:56:05,268 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:56:05" (1/1) ... [2024-11-01 13:56:05,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 13:56:05,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 13:56:05,302 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) [2024-11-01 13:56:05,306 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 [2024-11-01 13:56:05,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 13:56:05,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 13:56:05,336 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-01 13:56:05,336 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-01 13:56:05,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 13:56:05,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 13:56:05,498 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 13:56:05,503 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 13:56:06,139 INFO L? ?]: Removed 178 outVars from TransFormulas that were not future-live. [2024-11-01 13:56:06,139 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 13:56:06,156 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 13:56:06,157 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-01 13:56:06,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 01:56:06 BoogieIcfgContainer [2024-11-01 13:56:06,157 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 13:56:06,159 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 13:56:06,160 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 13:56:06,163 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 13:56:06,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 01:56:04" (1/3) ... [2024-11-01 13:56:06,164 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@329dd84f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 01:56:06, skipping insertion in model container [2024-11-01 13:56:06,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:56:05" (2/3) ... [2024-11-01 13:56:06,165 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@329dd84f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 01:56:06, skipping insertion in model container [2024-11-01 13:56:06,165 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 01:56:06" (3/3) ... [2024-11-01 13:56:06,166 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.safe_analog_estimation_convergence.c [2024-11-01 13:56:06,183 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 13:56:06,184 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 13:56:06,231 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 13:56:06,236 INFO L333 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, 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;@67aa6440, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 13:56:06,237 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 13:56:06,240 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-01 13:56:06,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-01 13:56:06,245 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 13:56:06,246 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 13:56:06,246 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 13:56:06,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 13:56:06,251 INFO L85 PathProgramCache]: Analyzing trace with hash 896107007, now seen corresponding path program 1 times [2024-11-01 13:56:06,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 13:56:06,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1894332388] [2024-11-01 13:56:06,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 13:56:06,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-01 13:56:06,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-01 13:56:06,267 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 13:56:06,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-01 13:56:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 13:56:06,567 WARN L253 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 223 conjuncts are in the unsatisfiable core [2024-11-01 13:56:06,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 13:56:10,126 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-01 13:56:10,126 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 13:56:17,795 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse19 ((_ zero_extend 16) |c_ULTIMATE.start_main_~mask_SORT_11~0#1|)) (.cse26 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_13~0#1|)))) (.cse21 (bvshl ((_ zero_extend 16) ((_ zero_extend 8) |c_ULTIMATE.start_main_~var_13~0#1|)) (_ bv8 32))) (.cse20 (bvneg ((_ zero_extend 16) |c_ULTIMATE.start_main_~state_17~0#1|)))) (let ((.cse9 (forall ((|ULTIMATE.start_main_~mask_SORT_20~0#1| (_ BitVec 32)) (|ULTIMATE.start_main_~mask_SORT_12~0#1| (_ BitVec 8))) (let ((.cse28 ((_ zero_extend 16) ((_ extract 15 0) (bvand .cse19 ((_ zero_extend 16) ((_ extract 15 0) (bvadd ((_ zero_extend 16) ((_ extract 15 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_12~0#1|) .cse26))) .cse21))) .cse20)))))))) (let ((.cse27 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse28 (_ bv15 32)))))) (bvule (bvand (bvor |c_ULTIMATE.start_main_~var_10~0#1| (bvshl .cse27 (_ bv31 32))) |ULTIMATE.start_main_~mask_SORT_20~0#1|) (bvand |c_ULTIMATE.start_main_~mask_SORT_9~0#1| (bvor (bvshl .cse27 (_ bv30 32)) (bvand (bvor (bvshl .cse27 (_ bv29 32)) (bvand (bvor (bvand (bvor (bvand (bvor (bvshl .cse27 (_ bv26 32)) (bvand (bvor (bvshl .cse27 (_ bv25 32)) (bvand (bvor (bvand (bvor (bvand (bvor (bvshl .cse27 (_ bv22 32)) (bvand |c_ULTIMATE.start_main_~mask_SORT_38~0#1| (bvor (bvand |c_ULTIMATE.start_main_~mask_SORT_35~0#1| (bvor (bvand (bvor (bvshl .cse27 (_ bv19 32)) (bvand (bvor (bvshl .cse27 (_ bv18 32)) (bvand (bvor (bvand |c_ULTIMATE.start_main_~mask_SORT_23~0#1| (bvor (bvshl .cse27 (_ bv16 32)) .cse28)) (bvshl .cse27 (_ bv17 32))) |c_ULTIMATE.start_main_~mask_SORT_26~0#1|)) |c_ULTIMATE.start_main_~mask_SORT_29~0#1|)) |c_ULTIMATE.start_main_~mask_SORT_32~0#1|) (bvshl .cse27 (_ bv20 32)))) (bvshl .cse27 (_ bv21 32))))) |c_ULTIMATE.start_main_~mask_SORT_41~0#1|) (bvshl .cse27 (_ bv23 32))) |c_ULTIMATE.start_main_~mask_SORT_44~0#1|) (bvshl .cse27 (_ bv24 32))) |c_ULTIMATE.start_main_~mask_SORT_47~0#1|)) |c_ULTIMATE.start_main_~mask_SORT_50~0#1|)) |c_ULTIMATE.start_main_~mask_SORT_53~0#1|) (bvshl .cse27 (_ bv27 32))) |c_ULTIMATE.start_main_~mask_SORT_56~0#1|) (bvshl .cse27 (_ bv28 32))) |c_ULTIMATE.start_main_~mask_SORT_59~0#1|)) |c_ULTIMATE.start_main_~mask_SORT_62~0#1|)))))))) (.cse8 (forall ((|ULTIMATE.start_main_~mask_SORT_20~0#1| (_ BitVec 32)) (|ULTIMATE.start_main_~mask_SORT_12~0#1| (_ BitVec 8))) (not (let ((.cse25 ((_ zero_extend 16) ((_ extract 15 0) (bvand .cse19 ((_ zero_extend 16) ((_ extract 15 0) (bvadd ((_ zero_extend 16) ((_ extract 15 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_12~0#1|) .cse26))) .cse21))) .cse20)))))))) (let ((.cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse25 (_ bv15 32)))))) (bvule (bvand (bvor |c_ULTIMATE.start_main_~var_10~0#1| (bvshl .cse24 (_ bv31 32))) |ULTIMATE.start_main_~mask_SORT_20~0#1|) (bvand |c_ULTIMATE.start_main_~mask_SORT_9~0#1| (bvor (bvshl .cse24 (_ bv30 32)) (bvand (bvor (bvshl .cse24 (_ bv29 32)) (bvand (bvor (bvand (bvor (bvand (bvor (bvshl .cse24 (_ bv26 32)) (bvand (bvor (bvshl .cse24 (_ bv25 32)) (bvand (bvor (bvand (bvor (bvand (bvor (bvshl .cse24 (_ bv22 32)) (bvand |c_ULTIMATE.start_main_~mask_SORT_38~0#1| (bvor (bvand |c_ULTIMATE.start_main_~mask_SORT_35~0#1| (bvor (bvand (bvor (bvshl .cse24 (_ bv19 32)) (bvand (bvor (bvshl .cse24 (_ bv18 32)) (bvand (bvor (bvand |c_ULTIMATE.start_main_~mask_SORT_23~0#1| (bvor (bvshl .cse24 (_ bv16 32)) .cse25)) (bvshl .cse24 (_ bv17 32))) |c_ULTIMATE.start_main_~mask_SORT_26~0#1|)) |c_ULTIMATE.start_main_~mask_SORT_29~0#1|)) |c_ULTIMATE.start_main_~mask_SORT_32~0#1|) (bvshl .cse24 (_ bv20 32)))) (bvshl .cse24 (_ bv21 32))))) |c_ULTIMATE.start_main_~mask_SORT_41~0#1|) (bvshl .cse24 (_ bv23 32))) |c_ULTIMATE.start_main_~mask_SORT_44~0#1|) (bvshl .cse24 (_ bv24 32))) |c_ULTIMATE.start_main_~mask_SORT_47~0#1|)) |c_ULTIMATE.start_main_~mask_SORT_50~0#1|)) |c_ULTIMATE.start_main_~mask_SORT_53~0#1|) (bvshl .cse24 (_ bv27 32))) |c_ULTIMATE.start_main_~mask_SORT_56~0#1|) (bvshl .cse24 (_ bv28 32))) |c_ULTIMATE.start_main_~mask_SORT_59~0#1|)) |c_ULTIMATE.start_main_~mask_SORT_62~0#1|))))))))) (.cse5 (forall ((|v_ULTIMATE.start_main_#t~nondet10#1_8| (_ BitVec 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet10#1_8|))))))) (.cse0 (forall ((|ULTIMATE.start_main_~mask_SORT_20~0#1| (_ BitVec 32)) (|ULTIMATE.start_main_~mask_SORT_12~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_14~0#1| (_ BitVec 8))) (let ((.cse23 ((_ zero_extend 16) ((_ extract 15 0) (bvand .cse19 ((_ zero_extend 16) ((_ extract 15 0) (bvadd .cse20 ((_ zero_extend 16) ((_ extract 15 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_12~0#1|) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_14~0#1|)))))) .cse21))))))))))) (let ((.cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse23 (_ bv15 32)))))) (bvule (bvand (bvor (bvshl .cse22 (_ bv31 32)) |c_ULTIMATE.start_main_~var_10~0#1|) |ULTIMATE.start_main_~mask_SORT_20~0#1|) (bvand (bvor (bvshl .cse22 (_ bv30 32)) (bvand (bvor (bvand (bvor (bvand (bvor (bvand (bvor (bvand (bvor (bvshl .cse22 (_ bv25 32)) (bvand (bvor (bvand |c_ULTIMATE.start_main_~mask_SORT_44~0#1| (bvor (bvshl .cse22 (_ bv23 32)) (bvand (bvor (bvand (bvor (bvand (bvor (bvand (bvor (bvshl .cse22 (_ bv19 32)) (bvand |c_ULTIMATE.start_main_~mask_SORT_29~0#1| (bvor (bvshl .cse22 (_ bv18 32)) (bvand |c_ULTIMATE.start_main_~mask_SORT_26~0#1| (bvor (bvand (bvor .cse23 (bvshl .cse22 (_ bv16 32))) |c_ULTIMATE.start_main_~mask_SORT_23~0#1|) (bvshl .cse22 (_ bv17 32))))))) |c_ULTIMATE.start_main_~mask_SORT_32~0#1|) (bvshl .cse22 (_ bv20 32))) |c_ULTIMATE.start_main_~mask_SORT_35~0#1|) (bvshl .cse22 (_ bv21 32))) |c_ULTIMATE.start_main_~mask_SORT_38~0#1|) (bvshl .cse22 (_ bv22 32))) |c_ULTIMATE.start_main_~mask_SORT_41~0#1|))) (bvshl .cse22 (_ bv24 32))) |c_ULTIMATE.start_main_~mask_SORT_47~0#1|)) |c_ULTIMATE.start_main_~mask_SORT_50~0#1|) (bvshl .cse22 (_ bv26 32))) |c_ULTIMATE.start_main_~mask_SORT_53~0#1|) (bvshl .cse22 (_ bv27 32))) |c_ULTIMATE.start_main_~mask_SORT_56~0#1|) (bvshl .cse22 (_ bv28 32))) |c_ULTIMATE.start_main_~mask_SORT_59~0#1|) (bvshl .cse22 (_ bv29 32))) |c_ULTIMATE.start_main_~mask_SORT_62~0#1|)) |c_ULTIMATE.start_main_~mask_SORT_9~0#1|)))))) (.cse11 (forall ((|ULTIMATE.start_main_~mask_SORT_20~0#1| (_ BitVec 32)) (|ULTIMATE.start_main_~mask_SORT_12~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_14~0#1| (_ BitVec 8))) (not (let ((.cse18 ((_ zero_extend 16) ((_ extract 15 0) (bvand .cse19 ((_ zero_extend 16) ((_ extract 15 0) (bvadd .cse20 ((_ zero_extend 16) ((_ extract 15 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_12~0#1|) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_14~0#1|)))))) .cse21))))))))))) (let ((.cse17 ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse18 (_ bv15 32)))))) (bvule (bvand (bvor (bvshl .cse17 (_ bv31 32)) |c_ULTIMATE.start_main_~var_10~0#1|) |ULTIMATE.start_main_~mask_SORT_20~0#1|) (bvand (bvor (bvshl .cse17 (_ bv30 32)) (bvand (bvor (bvand (bvor (bvand (bvor (bvand (bvor (bvand (bvor (bvshl .cse17 (_ bv25 32)) (bvand (bvor (bvand |c_ULTIMATE.start_main_~mask_SORT_44~0#1| (bvor (bvshl .cse17 (_ bv23 32)) (bvand (bvor (bvand (bvor (bvand (bvor (bvand (bvor (bvshl .cse17 (_ bv19 32)) (bvand |c_ULTIMATE.start_main_~mask_SORT_29~0#1| (bvor (bvshl .cse17 (_ bv18 32)) (bvand |c_ULTIMATE.start_main_~mask_SORT_26~0#1| (bvor (bvand (bvor .cse18 (bvshl .cse17 (_ bv16 32))) |c_ULTIMATE.start_main_~mask_SORT_23~0#1|) (bvshl .cse17 (_ bv17 32))))))) |c_ULTIMATE.start_main_~mask_SORT_32~0#1|) (bvshl .cse17 (_ bv20 32))) |c_ULTIMATE.start_main_~mask_SORT_35~0#1|) (bvshl .cse17 (_ bv21 32))) |c_ULTIMATE.start_main_~mask_SORT_38~0#1|) (bvshl .cse17 (_ bv22 32))) |c_ULTIMATE.start_main_~mask_SORT_41~0#1|))) (bvshl .cse17 (_ bv24 32))) |c_ULTIMATE.start_main_~mask_SORT_47~0#1|)) |c_ULTIMATE.start_main_~mask_SORT_50~0#1|) (bvshl .cse17 (_ bv26 32))) |c_ULTIMATE.start_main_~mask_SORT_53~0#1|) (bvshl .cse17 (_ bv27 32))) |c_ULTIMATE.start_main_~mask_SORT_56~0#1|) (bvshl .cse17 (_ bv28 32))) |c_ULTIMATE.start_main_~mask_SORT_59~0#1|) (bvshl .cse17 (_ bv29 32))) |c_ULTIMATE.start_main_~mask_SORT_62~0#1|)) |c_ULTIMATE.start_main_~mask_SORT_9~0#1|))))))) (.cse7 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_8~0#1|)))) (.cse14 (bvslt ((_ zero_extend 16) ((_ zero_extend 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_73~0#1|) ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_72~0#1|))))) ((_ zero_extend 16) |c_ULTIMATE.start_main_~state_76~0#1|)))) (and (or (let ((.cse4 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_7~0#1|))))) (and (or .cse0 (forall ((|v_ULTIMATE.start_main_#t~nondet10#1_8| (_ BitVec 8))) (let ((.cse3 ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet10#1_8|))))) (or (= (_ bv0 8) ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) .cse3) .cse4))))))))))))) (bvand .cse2 .cse2))))))) (= (_ bv0 8) .cse3))))) (or .cse5 (and (or (= (_ bv0 8) ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvxor (_ bv0 32) .cse7))))))))))))) (bvand .cse6 .cse6))))))) .cse8) (or .cse9 (= (_ bv0 8) ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvxor (_ bv0 32) .cse4))))))))))))) (bvand .cse10 .cse10)))))))))) (or .cse11 (forall ((|v_ULTIMATE.start_main_#t~nondet10#1_8| (_ BitVec 8))) (let ((.cse13 ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet10#1_8|))))) (or (= (_ bv0 8) ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvxor ((_ zero_extend 24) .cse13) .cse7))))))))))))) (bvand .cse12 .cse12))))))) (= (_ bv0 8) .cse13))))))) (not .cse14)) (or (let ((.cse15 (= (_ bv0 8) ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse16 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse7))))) (bvand .cse16 .cse16))))))))) (and (or (and (or .cse9 .cse15) (or .cse8 .cse15)) .cse5) (or (and (or .cse0 .cse15) (or .cse11 .cse15)) (forall ((|v_ULTIMATE.start_main_#t~nondet10#1_8| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse1 ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet10#1_8|)))))))) .cse14)))) is different from false [2024-11-01 13:56:18,030 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-01 13:56:18,031 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 13:56:18,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1894332388] [2024-11-01 13:56:18,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1894332388] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 13:56:18,032 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 13:56:18,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 5] imperfect sequences [] total 11 [2024-11-01 13:56:18,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812093711] [2024-11-01 13:56:18,034 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 13:56:18,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-01 13:56:18,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 13:56:18,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-01 13:56:18,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=64, Unknown=1, NotChecked=16, Total=110 [2024-11-01 13:56:18,060 INFO L87 Difference]: Start difference. First operand has 18 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-01 13:56:27,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-01 13:56:28,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 13:56:28,458 INFO L93 Difference]: Finished difference Result 39 states and 55 transitions. [2024-11-01 13:56:28,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-01 13:56:28,465 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 17 [2024-11-01 13:56:28,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 13:56:28,471 INFO L225 Difference]: With dead ends: 39 [2024-11-01 13:56:28,471 INFO L226 Difference]: Without dead ends: 23 [2024-11-01 13:56:28,473 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=46, Invalid=89, Unknown=1, NotChecked=20, Total=156 [2024-11-01 13:56:28,476 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 8 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 12 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2024-11-01 13:56:28,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 83 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 40 Invalid, 1 Unknown, 12 Unchecked, 6.5s Time] [2024-11-01 13:56:28,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-11-01 13:56:28,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2024-11-01 13:56:28,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-01 13:56:28,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2024-11-01 13:56:28,516 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 24 transitions. Word has length 17 [2024-11-01 13:56:28,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 13:56:28,517 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 24 transitions. [2024-11-01 13:56:28,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 9 states have internal predecessors, (15), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-01 13:56:28,517 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2024-11-01 13:56:28,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-01 13:56:28,519 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 13:56:28,519 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-01 13:56:28,526 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-01 13:56:28,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-01 13:56:28,722 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 13:56:28,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 13:56:28,723 INFO L85 PathProgramCache]: Analyzing trace with hash 91156387, now seen corresponding path program 1 times [2024-11-01 13:56:28,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 13:56:28,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1007749577] [2024-11-01 13:56:28,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 13:56:28,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-01 13:56:28,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-01 13:56:28,727 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 13:56:28,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-01 13:56:29,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 13:56:29,053 WARN L253 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 381 conjuncts are in the unsatisfiable core [2024-11-01 13:56:29,087 INFO L278 TraceCheckSpWp]: Computing forward predicates...