/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 bitwuzla -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p13.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-356b6ba-m [2024-11-01 22:30:19,920 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 22:30:19,971 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 22:30:19,975 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 22:30:19,975 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 22:30:19,994 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 22:30:19,994 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 22:30:19,994 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 22:30:19,995 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 22:30:19,996 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 22:30:19,996 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 22:30:19,997 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 22:30:19,997 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 22:30:19,997 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 22:30:19,997 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 22:30:19,998 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 22:30:19,998 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 22:30:20,000 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 22:30:20,000 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 22:30:20,001 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 22:30:20,001 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 22:30:20,001 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 22:30:20,001 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 22:30:20,001 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 22:30:20,002 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 22:30:20,002 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 22:30:20,002 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 22:30:20,002 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 22:30:20,002 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 22:30:20,002 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 22:30:20,003 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 22:30:20,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 22:30:20,003 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 22:30:20,003 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 22:30:20,003 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 22:30:20,004 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 22:30:20,004 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 22:30:20,004 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 22:30:20,005 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 22:30:20,006 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 22:30:20,006 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 22:30:20,006 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 22:30:20,006 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> bitwuzla [2024-11-01 22:30:20,287 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 22:30:20,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 22:30:20,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 22:30:20,309 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 22:30:20,309 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 22:30:20,310 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p13.c [2024-11-01 22:30:21,589 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 22:30:21,749 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 22:30:21,749 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p13.c [2024-11-01 22:30:21,756 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0e06874e/d4722692bee04a4baa8d111daad72911/FLAG61b234a43 [2024-11-01 22:30:22,150 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0e06874e/d4722692bee04a4baa8d111daad72911 [2024-11-01 22:30:22,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 22:30:22,153 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 22:30:22,155 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 22:30:22,155 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 22:30:22,158 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 22:30:22,159 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 10:30:22" (1/1) ... [2024-11-01 22:30:22,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15d99e62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 10:30:22, skipping insertion in model container [2024-11-01 22:30:22,160 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 10:30:22" (1/1) ... [2024-11-01 22:30:22,185 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 22:30:22,346 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.vcegar_QF_BV_itc99_b13_p13.c[1266,1279] [2024-11-01 22:30:22,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 22:30:22,461 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 22:30:22,469 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.vcegar_QF_BV_itc99_b13_p13.c[1266,1279] [2024-11-01 22:30:22,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 22:30:22,523 INFO L204 MainTranslator]: Completed translation [2024-11-01 22:30:22,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 10:30:22 WrapperNode [2024-11-01 22:30:22,524 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 22:30:22,524 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 22:30:22,524 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 22:30:22,525 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 22:30:22,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 10:30:22" (1/1) ... [2024-11-01 22:30:22,548 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 10:30:22" (1/1) ... [2024-11-01 22:30:22,581 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 466 [2024-11-01 22:30:22,582 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 22:30:22,583 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 22:30:22,583 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 22:30:22,583 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 22:30:22,591 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 10:30:22" (1/1) ... [2024-11-01 22:30:22,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 10:30:22" (1/1) ... [2024-11-01 22:30:22,598 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 10:30:22" (1/1) ... [2024-11-01 22:30:22,618 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 22:30:22,622 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 10:30:22" (1/1) ... [2024-11-01 22:30:22,622 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 10:30:22" (1/1) ... [2024-11-01 22:30:22,632 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 10:30:22" (1/1) ... [2024-11-01 22:30:22,638 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 10:30:22" (1/1) ... [2024-11-01 22:30:22,644 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 10:30:22" (1/1) ... [2024-11-01 22:30:22,646 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 10:30:22" (1/1) ... [2024-11-01 22:30:22,653 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 22:30:22,654 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 22:30:22,654 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 22:30:22,654 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 22:30:22,657 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 10:30:22" (1/1) ... [2024-11-01 22:30:22,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 22:30:22,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 22:30:22,685 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 22:30:22,693 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 22:30:22,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 22:30:22,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 22:30:22,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 22:30:22,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 22:30:22,842 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 22:30:22,844 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 22:30:23,151 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-11-01 22:30:23,151 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 22:30:23,160 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 22:30:23,161 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-01 22:30:23,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 10:30:23 BoogieIcfgContainer [2024-11-01 22:30:23,161 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 22:30:23,164 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 22:30:23,164 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 22:30:23,166 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 22:30:23,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 10:30:22" (1/3) ... [2024-11-01 22:30:23,167 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65e89071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 10:30:23, skipping insertion in model container [2024-11-01 22:30:23,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 10:30:22" (2/3) ... [2024-11-01 22:30:23,167 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65e89071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 10:30:23, skipping insertion in model container [2024-11-01 22:30:23,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 10:30:23" (3/3) ... [2024-11-01 22:30:23,169 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p13.c [2024-11-01 22:30:23,181 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 22:30:23,182 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 22:30:23,226 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 22:30:23,230 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;@265ffed4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 22:30:23,231 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 22:30:23,235 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-01 22:30:23,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-01 22:30:23,240 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 22:30:23,241 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-01 22:30:23,242 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 22:30:23,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 22:30:23,247 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-01 22:30:23,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 22:30:23,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2089882875] [2024-11-01 22:30:23,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 22:30:23,255 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 22:30:23,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 22:30:23,260 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-01 22:30:23,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Waiting until timeout for monitored process [2024-11-01 22:30:23,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 22:30:23,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-01 22:30:23,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 22:30:23,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 22:30:23,588 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 22:30:23,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 22:30:23,760 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 22:30:23,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2089882875] [2024-11-01 22:30:23,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2089882875] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 22:30:23,761 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 22:30:23,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-01 22:30:23,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296230106] [2024-11-01 22:30:23,762 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 22:30:23,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-01 22:30:23,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 22:30:23,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-01 22:30:23,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-01 22:30:23,782 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-01 22:30:23,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 22:30:23,831 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-01 22:30:23,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-01 22:30:23,833 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-01 22:30:23,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 22:30:23,841 INFO L225 Difference]: With dead ends: 18 [2024-11-01 22:30:23,841 INFO L226 Difference]: Without dead ends: 10 [2024-11-01 22:30:23,843 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-01 22:30:23,847 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-01 22:30:23,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 14 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-01 22:30:23,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-01 22:30:23,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-01 22:30:23,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-01 22:30:23,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-01 22:30:23,872 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-01 22:30:23,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 22:30:23,872 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-01 22:30:23,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-01 22:30:23,873 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-01 22:30:23,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-01 22:30:23,873 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 22:30:23,873 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-01 22:30:23,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (2)] Forceful destruction successful, exit code 0 [2024-11-01 22:30:24,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 22:30:24,076 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 22:30:24,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 22:30:24,077 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-01 22:30:24,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 22:30:24,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1402754026] [2024-11-01 22:30:24,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 22:30:24,078 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 22:30:24,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 22:30:24,079 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-01 22:30:24,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Waiting until timeout for monitored process [2024-11-01 22:30:24,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 22:30:24,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-01 22:30:24,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 22:30:24,553 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 22:30:24,554 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 22:31:01,672 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse66 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_7~0#1|))) (let ((.cse49 (= |c_ULTIMATE.start_main_~state_40~0#1| (_ bv0 8))) (.cse2 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse62 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse66))))) (.cse65 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_21~0#1|))) (let ((.cse60 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse65))))) (.cse46 (= .cse66 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_40~0#1|))) (.cse53 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 .cse62)))) (.cse41 (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) .cse65))))))) (.cse44 (not .cse49)) (.cse18 (= |c_ULTIMATE.start_main_~state_71~0#1| (_ bv0 8)))) (let ((.cse20 (not .cse18)) (.cse50 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_14~0#1|)))))) (.cse11 (= (_ bv0 8) |c_ULTIMATE.start_main_~state_57~0#1|)) (.cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_65~0#1|))))))))))))) (.cse51 (or (= (_ bv0 32) |c_ULTIMATE.start_main_~var_12~0#1|) .cse41 .cse44 (not (= (_ bv0 32) .cse66)))) (.cse40 (= |c_ULTIMATE.start_main_~var_12~0#1| .cse53)) (.cse45 (not .cse46)) (.cse47 (forall ((|ULTIMATE.start_main_~input_73~0#1| (_ BitVec 8))) (= |c_ULTIMATE.start_main_~var_12~0#1| ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_73~0#1|))))) .cse2)))))) (.cse48 (= |c_ULTIMATE.start_main_~var_12~0#1| ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_8~0#1|))) .cse2))))) (.cse43 (= ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv254 32) .cse65))))) (_ bv0 8))) (.cse22 ((_ zero_extend 24) ((_ extract 7 0) .cse60)))) (let ((.cse6 (let ((.cse64 (= |c_ULTIMATE.start_main_~var_12~0#1| ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 .cse22))))))))) (let ((.cse63 (or (and (or .cse64 .cse41 .cse48) .cse43) .cse49))) (and (or (and .cse63 (or (and (or .cse64 .cse40 .cse41) .cse43) .cse44)) .cse45) (or .cse46 (and .cse63 (or .cse44 (and (or .cse64 .cse41 .cse47) .cse43)))))))) (.cse17 (let ((.cse61 (= |c_ULTIMATE.start_main_~var_12~0#1| ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse62))))))))))))) (and (or (and (or .cse61 .cse41 .cse47) .cse43) .cse44) .cse51 (or (and (or .cse61 .cse41 .cse48) .cse43) .cse49)))) (.cse25 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse60)))) (.cse30 (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_81~0#1| (_ BitVec 8))) (let ((.cse59 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~input_5~0#1|)))))) (or (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 .cse59)))))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_81~0#1|)))))))) .cse59))) .cse2))))))) (.cse26 (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_81~0#1| (_ BitVec 8))) (let ((.cse58 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~input_5~0#1|)))))) (or (not (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_81~0#1|)))))))) .cse58))) .cse2)))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 .cse58)))))))))) (.cse38 (not .cse11)) (.cse34 (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_81~0#1| (_ BitVec 8))) (let ((.cse57 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~input_5~0#1|)))))) (or (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 .cse57))))))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_81~0#1|)))))))) .cse57))) .cse2))))))) (.cse33 (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_81~0#1| (_ BitVec 8))) (let ((.cse56 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~input_5~0#1|)))))) (or (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 .cse56))))))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_81~0#1|)))))))) .cse56))) .cse2)))))))) (.cse37 (and (or (let ((.cse52 (= |c_ULTIMATE.start_main_~var_12~0#1| ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 .cse53)))))) (and .cse51 (or (and (or .cse52 .cse41 .cse48) .cse43) .cse49) (or (and (or .cse52 .cse41 .cse47) .cse43) .cse44))) .cse18) (or .cse20 (let ((.cse54 (= |c_ULTIMATE.start_main_~var_12~0#1| ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 .cse50))))))))) (let ((.cse55 (or (and .cse43 (or .cse41 .cse48 .cse54)) .cse49))) (and (or .cse45 (and (or (and .cse43 (or .cse40 .cse41 .cse54)) .cse44) .cse55)) (or .cse46 (and (or (and (or .cse41 .cse47 .cse54) .cse43) .cse44) .cse55))))))))) (let ((.cse23 (= (_ bv0 8) |c_ULTIMATE.start_main_~state_42~0#1|)) (.cse0 (or .cse38 (and (or .cse34 .cse37) (or .cse33 .cse37)))) (.cse19 (let ((.cse42 (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse50)))))))))) |c_ULTIMATE.start_main_~var_12~0#1|))) (let ((.cse39 (or (and .cse43 (or .cse41 .cse48 .cse42)) .cse49))) (and (or (and .cse39 (or (and (or .cse40 .cse41 .cse42) .cse43) .cse44)) .cse45) (or .cse46 (and .cse39 (or (and .cse43 (or .cse41 .cse47 .cse42)) .cse44))))))) (.cse21 (or (and (or .cse37 .cse30) (or .cse37 .cse26)) .cse38)) (.cse1 (or .cse17 .cse18 (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_81~0#1| (_ BitVec 8))) (let ((.cse36 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~input_5~0#1|)))))) (or (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse36 .cse25)))))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 .cse36))))))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_81~0#1|)))))))) .cse36))) .cse2))))))))) (.cse7 (or .cse17 (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_81~0#1| (_ BitVec 8))) (let ((.cse35 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~input_5~0#1|)))))) (or (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse35 .cse25)))))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 .cse35))))))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_81~0#1|)))))))) .cse35))) .cse2)))))) .cse18)) (.cse8 (or .cse34 .cse20 .cse6)) (.cse10 (or .cse33 .cse20 .cse6))) (and (or (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse22))))) (and .cse0 (or (and .cse1 (or (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_81~0#1| (_ BitVec 8))) (let ((.cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~input_5~0#1|)))))) (or (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 .cse4))))))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse5 .cse4))))))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_81~0#1|)))))))) .cse4))) .cse2)))))) .cse6) .cse7 .cse8 (or (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_81~0#1| (_ BitVec 8))) (let ((.cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~input_5~0#1|)))))) (or (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 .cse9))))))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse5 .cse9))))))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_81~0#1|)))))))) .cse9))) .cse2))))))) .cse6) .cse10) .cse11) (or (let ((.cse14 (and (or .cse17 .cse18) (or .cse19 .cse20)))) (and (or (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_81~0#1| (_ BitVec 8))) (let ((.cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~input_5~0#1|)))))) (or (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse5 .cse12))))))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 .cse12)))))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_81~0#1|)))))))) .cse12))) .cse2)))))) .cse6) (or (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_81~0#1| (_ BitVec 8))) (let ((.cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~input_5~0#1|)))))) (or (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse5 .cse13))))))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_81~0#1|)))))))) .cse13))) .cse2)))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 .cse13))))))))) .cse6) (or .cse14 (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_81~0#1| (_ BitVec 8))) (let ((.cse15 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~input_5~0#1|)))))) (or (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse5 .cse15)))))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_81~0#1|)))))))) .cse15))) .cse2)))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 .cse15)))))))))) (or .cse14 (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_81~0#1| (_ BitVec 8))) (let ((.cse16 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~input_5~0#1|)))))) (or (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse5 .cse16)))))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 .cse16)))))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_81~0#1|)))))))) .cse16))) .cse2))))))))) .cse11) .cse21)) .cse23) (or (not .cse23) (and .cse0 (or (and (or .cse18 (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_81~0#1| (_ BitVec 8))) (let ((.cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~input_5~0#1|)))))) (or (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse24 .cse25))))))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 .cse24)))))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_81~0#1|)))))))) .cse24))) .cse2)))))) .cse6) (or .cse19 .cse26 .cse20) (or .cse17 .cse18 (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_81~0#1| (_ BitVec 8))) (let ((.cse27 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~input_5~0#1|)))))) (or (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse27 .cse25)))))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 .cse27)))))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_81~0#1|)))))))) .cse27))) .cse2))))))) (or .cse17 (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_81~0#1| (_ BitVec 8))) (let ((.cse28 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~input_5~0#1|)))))) (or (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse28 .cse25)))))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_81~0#1|)))))))) .cse28))) .cse2)))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 .cse28))))))))) .cse18) (or .cse18 .cse6 (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_81~0#1| (_ BitVec 8))) (let ((.cse29 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~input_5~0#1|)))))) (or (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse29 .cse25))))))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_81~0#1|)))))))) .cse29))) .cse2)))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 .cse29)))))))))) (or .cse19 .cse20 .cse30)) .cse11) .cse21 (or .cse11 (and .cse1 (or (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_81~0#1| (_ BitVec 8))) (let ((.cse31 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~input_5~0#1|)))))) (or (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse31 .cse25))))))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 .cse31))))))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_81~0#1|)))))))) .cse31))) .cse2))))))) .cse18 .cse6) .cse7 (or (forall ((|ULTIMATE.start_main_~input_5~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_81~0#1| (_ BitVec 8))) (let ((.cse32 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |ULTIMATE.start_main_~input_5~0#1|)))))) (or (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse32 .cse25))))))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse3 .cse32))))))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~input_81~0#1|)))))))) .cse32))) .cse2)))))) .cse18 .cse6) .cse8 .cse10))))))))))) is different from false [2024-11-01 22:31:22,861 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2024-11-01 22:31:22,862 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 22:31:22,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1402754026] [2024-11-01 22:31:22,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1402754026] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-01 22:31:22,862 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-01 22:31:22,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-01 22:31:22,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936711834] [2024-11-01 22:31:22,862 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-01 22:31:22,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-01 22:31:22,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 22:31:22,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-01 22:31:22,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=28, Unknown=1, NotChecked=10, Total=56 [2024-11-01 22:31:22,864 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-01 22:31:23,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 22:31:23,181 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2024-11-01 22:31:23,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-01 22:31:23,183 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-01 22:31:23,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 22:31:23,183 INFO L225 Difference]: With dead ends: 15 [2024-11-01 22:31:23,183 INFO L226 Difference]: Without dead ends: 13 [2024-11-01 22:31:23,183 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=31, Invalid=44, Unknown=1, NotChecked=14, Total=90 [2024-11-01 22:31:23,184 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 6 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-01 22:31:23,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 15 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 6 Unchecked, 0.1s Time] [2024-11-01 22:31:23,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-01 22:31:23,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2024-11-01 22:31:23,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-01 22:31:23,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-01 22:31:23,191 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2024-11-01 22:31:23,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 22:31:23,191 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-01 22:31:23,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-01 22:31:23,191 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-01 22:31:23,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-01 22:31:23,192 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 22:31:23,192 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2024-11-01 22:31:23,200 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (3)] Ended with exit code 0 [2024-11-01 22:31:23,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 22:31:23,401 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 22:31:23,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 22:31:23,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1906115653, now seen corresponding path program 2 times [2024-11-01 22:31:23,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 22:31:23,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [999608581] [2024-11-01 22:31:23,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 22:31:23,405 INFO L173 SolverBuilder]: Constructing external solver with command: bitwuzla [2024-11-01 22:31:23,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla [2024-11-01 22:31:23,407 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (exit command is (exit), workingDir is null) [2024-11-01 22:31:23,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/bitwuzla (4)] Waiting until timeout for monitored process [2024-11-01 22:31:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 22:31:23,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-01 22:31:23,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 22:31:25,188 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 22:31:25,189 INFO L311 TraceCheckSpWp]: Computing backward predicates...