/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 'z3 -smt2 -in SMTLIB2_COMPLIANT=true' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.sw_sym_ex_v.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-356b6ba-m [2024-11-01 05:36:29,989 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 05:36:30,081 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 05:36:30,091 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 05:36:30,091 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 05:36:30,124 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 05:36:30,125 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 05:36:30,125 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 05:36:30,126 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 05:36:30,126 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 05:36:30,126 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 05:36:30,127 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 05:36:30,127 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 05:36:30,131 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 05:36:30,131 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 05:36:30,131 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 05:36:30,131 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 05:36:30,132 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 05:36:30,132 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 05:36:30,132 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 05:36:30,132 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 05:36:30,133 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 05:36:30,133 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 05:36:30,133 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 05:36:30,134 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 05:36:30,134 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 05:36:30,134 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 05:36:30,134 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 05:36:30,135 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 05:36:30,135 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 05:36:30,135 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 05:36:30,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 05:36:30,136 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 05:36:30,136 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 05:36:30,138 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 05:36:30,138 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 05:36:30,139 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 05:36:30,139 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 05:36:30,140 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 05:36:30,140 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 05:36:30,140 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 05:36:30,140 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 05:36:30,140 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-01 05:36:30,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 05:36:30,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 05:36:30,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 05:36:30,523 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 05:36:30,524 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 05:36:30,525 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.sw_sym_ex_v.c [2024-11-01 05:36:31,940 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 05:36:32,208 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 05:36:32,208 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.sw_sym_ex_v.c [2024-11-01 05:36:32,223 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f38b7c997/f4814cd6ff52496194e5ff951c4797ff/FLAGad5ed629c [2024-11-01 05:36:32,512 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f38b7c997/f4814cd6ff52496194e5ff951c4797ff [2024-11-01 05:36:32,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 05:36:32,515 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 05:36:32,517 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 05:36:32,517 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 05:36:32,521 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 05:36:32,522 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 05:36:32" (1/1) ... [2024-11-01 05:36:32,523 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c7d4a9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 05:36:32, skipping insertion in model container [2024-11-01 05:36:32,523 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 05:36:32" (1/1) ... [2024-11-01 05:36:32,572 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 05:36:32,756 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.sw_sym_ex_v.c[1251,1264] [2024-11-01 05:36:32,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 05:36:32,929 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 05:36:32,942 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.sw_sym_ex_v.c[1251,1264] [2024-11-01 05:36:33,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 05:36:33,055 INFO L204 MainTranslator]: Completed translation [2024-11-01 05:36:33,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 05:36:33 WrapperNode [2024-11-01 05:36:33,056 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 05:36:33,057 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 05:36:33,057 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 05:36:33,057 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 05:36:33,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 05:36:33" (1/1) ... [2024-11-01 05:36:33,094 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 05:36:33" (1/1) ... [2024-11-01 05:36:33,150 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 556 [2024-11-01 05:36:33,150 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 05:36:33,151 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 05:36:33,151 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 05:36:33,151 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 05:36:33,163 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 05:36:33" (1/1) ... [2024-11-01 05:36:33,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 05:36:33" (1/1) ... [2024-11-01 05:36:33,173 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 05:36:33" (1/1) ... [2024-11-01 05:36:33,209 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 05:36:33,209 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 05:36:33" (1/1) ... [2024-11-01 05:36:33,210 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 05:36:33" (1/1) ... [2024-11-01 05:36:33,226 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 05:36:33" (1/1) ... [2024-11-01 05:36:33,231 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 05:36:33" (1/1) ... [2024-11-01 05:36:33,233 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 05:36:33" (1/1) ... [2024-11-01 05:36:33,236 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 05:36:33" (1/1) ... [2024-11-01 05:36:33,246 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 05:36:33,247 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 05:36:33,247 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 05:36:33,247 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 05:36:33,248 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 05:36:33" (1/1) ... [2024-11-01 05:36:33,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 05:36:33,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 05:36:33,279 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 05:36:33,284 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 05:36:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 05:36:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 05:36:33,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 05:36:33,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 05:36:33,486 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 05:36:33,488 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 05:36:34,043 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-01 05:36:34,043 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 05:36:34,091 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 05:36:34,092 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-01 05:36:34,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 05:36:34 BoogieIcfgContainer [2024-11-01 05:36:34,093 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 05:36:34,095 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 05:36:34,095 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 05:36:34,098 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 05:36:34,099 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 05:36:32" (1/3) ... [2024-11-01 05:36:34,099 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@706e28c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 05:36:34, skipping insertion in model container [2024-11-01 05:36:34,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 05:36:33" (2/3) ... [2024-11-01 05:36:34,101 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@706e28c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 05:36:34, skipping insertion in model container [2024-11-01 05:36:34,101 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 05:36:34" (3/3) ... [2024-11-01 05:36:34,102 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.sw_sym_ex_v.c [2024-11-01 05:36:34,118 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 05:36:34,119 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 05:36:34,173 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 05:36:34,179 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;@5e28218f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 05:36:34,180 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 05:36:34,184 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 05:36:34,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-01 05:36:34,189 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 05:36:34,191 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-01 05:36:34,192 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 05:36:34,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 05:36:34,197 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-01 05:36:34,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 05:36:34,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [708949116] [2024-11-01 05:36:34,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 05:36:34,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-01 05:36:34,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 05:36:34,209 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-01 05:36:34,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-01 05:36:34,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 05:36:34,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-01 05:36:34,415 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 05:36:34,528 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 05:36:34,529 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 05:36:34,597 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 05:36:34,598 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 05:36:34,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [708949116] [2024-11-01 05:36:34,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [708949116] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 05:36:34,600 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 05:36:34,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-01 05:36:34,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309848315] [2024-11-01 05:36:34,604 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 05:36:34,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-01 05:36:34,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 05:36:34,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-01 05:36:34,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-01 05:36:34,632 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 05:36:34,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 05:36:34,689 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-01 05:36:34,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-01 05:36:34,692 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 05:36:34,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 05:36:34,699 INFO L225 Difference]: With dead ends: 18 [2024-11-01 05:36:34,699 INFO L226 Difference]: Without dead ends: 10 [2024-11-01 05:36:34,702 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-01 05:36:34,706 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 05:36:34,708 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 05:36:34,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-01 05:36:34,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-01 05:36:34,732 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 05:36:34,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-01 05:36:34,734 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-01 05:36:34,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 05:36:34,734 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-01 05:36:34,735 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 05:36:34,735 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-01 05:36:34,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-01 05:36:34,735 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 05:36:34,735 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-01 05:36:34,754 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-01 05:36:34,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-01 05:36:34,940 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 05:36:34,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 05:36:34,941 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-01 05:36:34,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 05:36:34,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [632779373] [2024-11-01 05:36:34,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 05:36:34,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-01 05:36:34,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 05:36:34,944 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-01 05:36:34,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-01 05:36:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 05:36:35,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-01 05:36:35,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 05:36:35,342 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 05:36:35,343 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 05:36:35,675 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 05:36:35,675 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 05:36:35,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [632779373] [2024-11-01 05:36:35,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [632779373] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-01 05:36:35,676 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-01 05:36:35,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-01 05:36:35,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998251306] [2024-11-01 05:36:35,677 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-01 05:36:35,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-01 05:36:35,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 05:36:35,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-01 05:36:35,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-01 05:36:35,679 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 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 05:36:35,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 05:36:35,773 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2024-11-01 05:36:35,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-01 05:36:35,774 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 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 05:36:35,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 05:36:35,775 INFO L225 Difference]: With dead ends: 15 [2024-11-01 05:36:35,775 INFO L226 Difference]: Without dead ends: 13 [2024-11-01 05:36:35,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-01 05:36:35,776 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-01 05:36:35,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 16 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-01 05:36:35,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-01 05:36:35,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2024-11-01 05:36:35,781 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 05:36:35,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-01 05:36:35,781 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2024-11-01 05:36:35,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 05:36:35,782 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-01 05:36:35,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 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 05:36:35,782 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-01 05:36:35,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-01 05:36:35,783 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 05:36:35,783 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2024-11-01 05:36:35,803 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-01 05:36:35,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-01 05:36:35,984 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 05:36:35,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 05:36:35,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1906115653, now seen corresponding path program 2 times [2024-11-01 05:36:35,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 05:36:35,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1614451711] [2024-11-01 05:36:35,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 05:36:35,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-01 05:36:35,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 05:36:35,988 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-01 05:36:35,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-01 05:36:36,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 05:36:36,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-01 05:36:36,253 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 05:36:36,776 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 05:36:36,776 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 05:36:42,036 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 05:36:42,036 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 05:36:42,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1614451711] [2024-11-01 05:36:42,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1614451711] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-01 05:36:42,037 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-01 05:36:42,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-11-01 05:36:42,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838036447] [2024-11-01 05:36:42,037 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-01 05:36:42,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-01 05:36:42,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 05:36:42,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-01 05:36:42,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2024-11-01 05:36:42,040 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 16 states, 16 states have (on average 1.25) internal successors, (20), 16 states have internal predecessors, (20), 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 05:36:43,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 05:36:43,515 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2024-11-01 05:36:43,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-01 05:36:43,516 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.25) internal successors, (20), 16 states have internal predecessors, (20), 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 11 [2024-11-01 05:36:43,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 05:36:43,517 INFO L225 Difference]: With dead ends: 21 [2024-11-01 05:36:43,517 INFO L226 Difference]: Without dead ends: 19 [2024-11-01 05:36:43,518 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=138, Invalid=324, Unknown=0, NotChecked=0, Total=462 [2024-11-01 05:36:43,519 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 17 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-01 05:36:43,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 23 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-01 05:36:43,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2024-11-01 05:36:43,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2024-11-01 05:36:43,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 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 05:36:43,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2024-11-01 05:36:43,525 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 11 [2024-11-01 05:36:43,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 05:36:43,525 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2024-11-01 05:36:43,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.25) internal successors, (20), 16 states have internal predecessors, (20), 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 05:36:43,525 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2024-11-01 05:36:43,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-01 05:36:43,526 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 05:36:43,526 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1] [2024-11-01 05:36:43,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-01 05:36:43,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-01 05:36:43,727 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 05:36:43,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 05:36:43,728 INFO L85 PathProgramCache]: Analyzing trace with hash -37306491, now seen corresponding path program 3 times [2024-11-01 05:36:43,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 05:36:43,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1928522374] [2024-11-01 05:36:43,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 05:36:43,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-01 05:36:43,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 05:36:43,730 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-01 05:36:43,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-01 05:36:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 05:36:44,013 WARN L253 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 87 conjuncts are in the unsatisfiable core [2024-11-01 05:36:44,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 05:36:48,633 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 05:36:48,634 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 05:36:55,161 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse5 (= ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_42~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvadd ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_34~0#1|) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_36~0#1|))))))))) (.cse3 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_13~0#1|)) (.cse2 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_5~0#1|))) (and (or (let ((.cse0 (= |c_ULTIMATE.start_main_~state_31~0#1| (_ bv0 8)))) (and (or (not .cse0) (forall ((|ULTIMATE.start_main_~state_8~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_15_arg_0~0#1_29| (_ BitVec 8))) (let ((.cse1 ((_ zero_extend 24) |ULTIMATE.start_main_~state_8~0#1|))) (or (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) .cse1)))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_15_arg_0~0#1_29|)))) .cse2))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse1))))))))) .cse2)))))))) (or (forall ((|ULTIMATE.start_main_~state_8~0#1| (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_15_arg_0~0#1_29| (_ BitVec 8)) (|ULTIMATE.start_main_~state_27~0#1| (_ BitVec 8))) (let ((.cse4 ((_ zero_extend 24) |ULTIMATE.start_main_~state_8~0#1|))) (or (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_15_arg_0~0#1_29|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) |ULTIMATE.start_main_~state_27~0#1|)))) .cse4)))))))))))))) .cse2))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse4))))))))) .cse2))))))) .cse0))) (not .cse5)) (or .cse5 (forall ((|v_ULTIMATE.start_main_~var_15_arg_0~0#1_29| (_ BitVec 8)) (|ULTIMATE.start_main_~state_8~0#1| (_ BitVec 8))) (let ((.cse6 ((_ zero_extend 24) |ULTIMATE.start_main_~state_8~0#1|))) (or (not (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse6))))))))) .cse2)))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_15_arg_0~0#1_29|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) .cse6)))))))))))))) .cse2))))))))) is different from false [2024-11-01 05:37:10,692 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse94 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_17~0#1|)) (.cse92 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_19~0#1|))) (let ((.cse90 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_21~0#1|)) (.cse93 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse92)))) (.cse91 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse94))))) (let ((.cse82 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_23~0#1|)) (.cse62 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_25~0#1|)) (.cse58 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_27~0#1|)) (.cse54 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_8~0#1|)) (.cse67 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_29~0#1|)) (.cse89 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse93 .cse91)))) (.cse9 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_42~0#1|)) (.cse10 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse76 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_34~0#1|)))) (.cse12 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_36~0#1|)))) (.cse96 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_13~0#1|)) (.cse33 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_5~0#1|)) (.cse88 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse90)))) (.cse99 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) .cse91))))) (let ((.cse73 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse90 .cse99)))) (.cse72 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse88 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) .cse94))))))) (.cse75 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse99 .cse88)))) (.cse8 (forall ((v_subst_10 (_ BitVec 8)) (|v_ULTIMATE.start_main_~var_15_arg_0~0#1_29| (_ BitVec 8))) (let ((.cse98 ((_ zero_extend 24) v_subst_10))) (or (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse33 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse96 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse98))))))))))))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) .cse98))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_15_arg_0~0#1_29|)))) .cse33))))))) (.cse77 (= .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse76 .cse12)))))))) (.cse5 (= (_ bv0 8) |c_ULTIMATE.start_main_~state_19~0#1|)) (.cse52 (forall ((|v_ULTIMATE.start_main_~var_15_arg_0~0#1_29| (_ BitVec 8)) (v_subst_7 (_ BitVec 8))) (let ((.cse97 ((_ zero_extend 24) v_subst_7))) (or (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) .cse97)))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_15_arg_0~0#1_29|)))) .cse33)) (_ bv0 8)) (not (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse97)))))) .cse96))) .cse33)))))))) (.cse53 (forall ((|v_ULTIMATE.start_main_~var_15_arg_0~0#1_29| (_ BitVec 8)) (v_subst_9 (_ BitVec 8)) (v_subst_8 (_ BitVec 8))) (let ((.cse95 ((_ zero_extend 24) v_subst_8))) (or (not (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse95)))))) .cse96))) .cse33)))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_15_arg_0~0#1_29|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse95 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) v_subst_9)))))))))))))))))) .cse33))))))) (.cse63 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse93 .cse94))) .cse88)))) (.cse65 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse88 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse91 .cse92))))))) (.cse66 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse90 .cse89)))) (.cse55 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse67)))) (.cse57 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse54)))) (.cse60 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse58)))) (.cse64 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse62)))) (.cse68 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse88 .cse89)))) (.cse81 ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse82))))) (let ((.cse19 (let ((.cse84 (= (_ bv0 8) ((_ extract 7 0) (bvand .cse33 ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse87 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse68 .cse81))))) (let ((.cse86 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse87 .cse64))))) (let ((.cse85 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse60 .cse86))))) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse55 .cse85))) .cse54))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse85 .cse67))) .cse57))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse55 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse58 .cse86)))))) .cse57))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse60 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse87 .cse62)))))) .cse55))) .cse57))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse81 .cse63))) .cse64))) .cse60))) .cse55))) .cse57))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse55 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse60 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse65 .cse81))) .cse64))))))))) .cse57)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse57 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse55 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse60 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse81 .cse66))) .cse64))))))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse55 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse64 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse68 .cse82)))))) .cse60)))))) .cse57)))))))))))))))))))))))))) (and (or .cse52 (not .cse84)) (or .cse53 .cse84)))) (.cse21 (not .cse5)) (.cse49 (or .cse8 .cse77)) (.cse22 (let ((.cse78 (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse83 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse81 .cse75))))) (let ((.cse80 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse83 .cse64))))) (let ((.cse79 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse60 .cse80))))) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse79 .cse55))) .cse54))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse55 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse58 .cse80)))))) .cse57))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse57 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse55 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse60 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse81 .cse73))) .cse64)))))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse55 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse81 .cse72))) .cse64))) .cse60)))))) .cse57))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse55 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse75 .cse82))) .cse64))) .cse60)))))) .cse57)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse55 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse60 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse83 .cse62))))))))) .cse57))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse79 .cse67))) .cse57)))))))))))) .cse33))))) (and (or (not .cse78) .cse52) (or .cse53 .cse78)))) (.cse48 (not .cse77)) (.cse0 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_33~0#1|))) (let ((.cse16 (= |c_ULTIMATE.start_main_~state_23~0#1| (_ bv0 8))) (.cse24 ((_ zero_extend 24) ((_ extract 7 0) .cse76))) (.cse43 (let ((.cse69 (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse74 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) .cse75))))) (let ((.cse71 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse74 .cse64))))) (let ((.cse70 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse60 .cse71))))) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse55 .cse70))) .cse54))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse67 .cse70))) .cse57))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse58 .cse71))) .cse55))) .cse57))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse57 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse55 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse60 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse64 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) .cse72))))))))))))))) (_ bv0 32)))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse55 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse60 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse64 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) .cse73)))))))))))) .cse57))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse55 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse60 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse74 .cse62))))))))) .cse57)))))))))))))))))) .cse33))))) (and (or .cse53 .cse69) (or .cse52 (not .cse69))))) (.cse6 (let ((.cse51 (= (_ bv0 8) ((_ extract 7 0) (bvand .cse33 ((_ zero_extend 24) ((_ extract 7 0) (let ((.cse61 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse68 (_ bv255 32)))))) (let ((.cse59 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse61 .cse64))))) (let ((.cse56 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse60 .cse59))))) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse54 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse55 .cse56)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse57 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse55 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse58 .cse59))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse55 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse60 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse61 .cse62))))))))) .cse57))) ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse55 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse60 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) .cse63))) .cse64))))))))) .cse57))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse55 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse60 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse65 (_ bv255 32)))) .cse64))))))))) .cse57)))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse55 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse60 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) .cse66))) .cse64))))))))) .cse57)))))) (_ bv0 32)))))))))) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse67 .cse56))) .cse57))))))))))))))))) (and (or (not .cse51) .cse52) (or .cse51 .cse53)))) (.cse2 (forall ((|ULTIMATE.start_main_~input_4~0#1| (_ BitVec 8))) (not (= .cse0 ((_ zero_extend 24) |ULTIMATE.start_main_~input_4~0#1|))))) (.cse3 (forall ((|ULTIMATE.start_main_~input_4~0#1| (_ BitVec 8))) (= .cse0 ((_ zero_extend 24) |ULTIMATE.start_main_~input_4~0#1|)))) (.cse50 (and (or .cse5 (and .cse49 (or .cse19 .cse48))) (or .cse21 (and .cse49 (or .cse22 .cse48)))))) (let ((.cse31 (or .cse3 .cse50)) (.cse32 (or .cse2 .cse50)) (.cse4 (or .cse5 (and (or .cse6 .cse48) .cse49))) (.cse14 (or .cse21 (and (or .cse43 .cse48) .cse49))) (.cse17 (or .cse21 (and (or .cse22 (forall ((|ULTIMATE.start_main_~input_4~0#1| (_ BitVec 8))) (let ((.cse46 ((_ zero_extend 24) |ULTIMATE.start_main_~input_4~0#1|))) (or (not (= .cse0 .cse46)) (not (= .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse24 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse46)))))))))))))))))) (or (forall ((|ULTIMATE.start_main_~input_4~0#1| (_ BitVec 8))) (let ((.cse47 ((_ zero_extend 24) |ULTIMATE.start_main_~input_4~0#1|))) (or (not (= .cse0 .cse47)) (= .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse24 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse47)))))))))))))))) .cse8)))) (.cse30 (or (and (or .cse22 (forall ((|ULTIMATE.start_main_~input_4~0#1| (_ BitVec 8))) (let ((.cse44 ((_ zero_extend 24) |ULTIMATE.start_main_~input_4~0#1|))) (or (not (= .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse24 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse44)))))))))))))) (= .cse0 .cse44))))) (or (forall ((|ULTIMATE.start_main_~input_4~0#1| (_ BitVec 8))) (let ((.cse45 ((_ zero_extend 24) |ULTIMATE.start_main_~input_4~0#1|))) (or (= .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse24 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse45))))))))))))) (= .cse0 .cse45)))) .cse8)) .cse21)) (.cse13 (or (let ((.cse42 (= .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse24 .cse12))))))))) (and (or .cse42 .cse8) (or .cse43 (not .cse42)))) .cse21)) (.cse15 (not .cse16))) (and (or (forall ((|ULTIMATE.start_main_~input_2~0#1| (_ BitVec 8))) (not (= ((_ zero_extend 24) |ULTIMATE.start_main_~input_2~0#1|) .cse0))) (let ((.cse11 ((_ zero_extend 24) ((_ extract 7 0) .cse24)))) (and (or (let ((.cse1 (and .cse4 (or .cse5 (let ((.cse7 (= .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse11 .cse12))))))))) (and (or .cse6 (not .cse7)) (or .cse7 .cse8)))) .cse13 .cse14))) (and (or .cse1 .cse2) (or .cse3 .cse1))) .cse15) (or .cse16 (let ((.cse25 (= (_ bv0 8) ((_ extract 7 0) (bvand (_ bv1 32) .cse33))))) (and .cse17 (or .cse3 (let ((.cse20 ((_ 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_~var_199~0#1|))))))))) (and (or .cse5 (let ((.cse18 (= .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse11 .cse20))))))))) (and (or .cse8 .cse18) (or .cse19 (not .cse18))))) (or .cse21 (let ((.cse23 (= .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse20 .cse24))))))))) (and (or .cse22 (not .cse23)) (or .cse8 .cse23)))))) .cse25) (or .cse5 (and (or .cse19 (forall ((|ULTIMATE.start_main_~input_4~0#1| (_ BitVec 8))) (let ((.cse26 ((_ zero_extend 24) |ULTIMATE.start_main_~input_4~0#1|))) (or (not (= .cse0 .cse26)) (not (= .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse11 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse26)))))))))))))))))) (or (forall ((|ULTIMATE.start_main_~input_4~0#1| (_ BitVec 8))) (let ((.cse27 ((_ zero_extend 24) |ULTIMATE.start_main_~input_4~0#1|))) (or (not (= .cse0 .cse27)) (= .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse11 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse27)))))))))))))))) .cse8))) (or (not .cse25) (and (or (and (or (forall ((|ULTIMATE.start_main_~input_4~0#1| (_ BitVec 8))) (let ((.cse28 ((_ zero_extend 24) |ULTIMATE.start_main_~input_4~0#1|))) (or (= .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse11 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse28))))))))))))) (= .cse0 .cse28)))) .cse8) (or .cse19 (forall ((|ULTIMATE.start_main_~input_4~0#1| (_ BitVec 8))) (let ((.cse29 ((_ zero_extend 24) |ULTIMATE.start_main_~input_4~0#1|))) (or (not (= .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse11 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse29)))))))))))))) (= .cse0 .cse29)))))) .cse5) .cse30)) .cse31 .cse32)))))) (or (forall ((|ULTIMATE.start_main_~input_2~0#1| (_ BitVec 8))) (= ((_ zero_extend 24) |ULTIMATE.start_main_~input_2~0#1|) .cse0)) (let ((.cse35 ((_ 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_~var_193~0#1|))))))))) (and (or .cse16 (and .cse31 .cse32)) (or (let ((.cse34 (and .cse4 .cse14))) (and (or .cse2 .cse34) (or .cse3 .cse34))) .cse15) (or (and .cse17 (or .cse5 (and (or (forall ((|ULTIMATE.start_main_~input_4~0#1| (_ BitVec 8))) (let ((.cse36 ((_ zero_extend 24) |ULTIMATE.start_main_~input_4~0#1|))) (or (not (= .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse35 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse36)))))))))))))) (= .cse0 .cse36)))) .cse19) (or (forall ((|ULTIMATE.start_main_~input_4~0#1| (_ BitVec 8))) (let ((.cse37 ((_ zero_extend 24) |ULTIMATE.start_main_~input_4~0#1|))) (or (= .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse35 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse37))))))))))))) (= .cse0 .cse37)))) .cse8))) (or .cse5 (and (or .cse19 (forall ((|ULTIMATE.start_main_~input_4~0#1| (_ BitVec 8))) (let ((.cse38 ((_ zero_extend 24) |ULTIMATE.start_main_~input_4~0#1|))) (or (not (= .cse0 .cse38)) (not (= .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse35 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse38)))))))))))))))))) (or (forall ((|ULTIMATE.start_main_~input_4~0#1| (_ BitVec 8))) (let ((.cse39 ((_ zero_extend 24) |ULTIMATE.start_main_~input_4~0#1|))) (or (not (= .cse0 .cse39)) (= .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse10 ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse35 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse39)))))))))))))))) .cse8))) .cse30) .cse16) (or (let ((.cse40 (and (or .cse5 (let ((.cse41 (= .cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse35 .cse12))) .cse10)))))) (and (or .cse6 (not .cse41)) (or .cse41 .cse8)))) .cse13))) (and (or .cse2 .cse40) (or .cse3 .cse40))) .cse15)))))))))))) is different from false [2024-11-01 05:37:40,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 101 [2024-11-01 05:37:40,679 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-01 05:37:40,681 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 05:37:40,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1928522374] [2024-11-01 05:37:40,682 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-11-01 05:37:40,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-01 05:37:40,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-01 05:37:40,883 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:99) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.pop(HistoryRecordingScript.java:117) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.pop(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:86) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:912) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:786) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:374) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:323) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:553) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:395) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:267) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:324) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:180) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:159) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:113) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 45 more [2024-11-01 05:37:40,887 INFO L158 Benchmark]: Toolchain (without parser) took 68371.18ms. Allocated memory was 185.6MB in the beginning and 363.9MB in the end (delta: 178.3MB). Free memory was 159.3MB in the beginning and 149.7MB in the end (delta: 9.6MB). Peak memory consumption was 189.4MB. Max. memory is 8.0GB. [2024-11-01 05:37:40,887 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 185.6MB. Free memory is still 160.9MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-01 05:37:40,887 INFO L158 Benchmark]: CACSL2BoogieTranslator took 539.20ms. Allocated memory is still 185.6MB. Free memory was 159.3MB in the beginning and 133.1MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2024-11-01 05:37:40,888 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.80ms. Allocated memory is still 185.6MB. Free memory was 133.1MB in the beginning and 127.9MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2024-11-01 05:37:40,888 INFO L158 Benchmark]: Boogie Preprocessor took 95.21ms. Allocated memory is still 185.6MB. Free memory was 127.9MB in the beginning and 122.1MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2024-11-01 05:37:40,888 INFO L158 Benchmark]: RCFGBuilder took 846.17ms. Allocated memory was 185.6MB in the beginning and 265.3MB in the end (delta: 79.7MB). Free memory was 122.1MB in the beginning and 233.7MB in the end (delta: -111.5MB). Peak memory consumption was 70.4MB. Max. memory is 8.0GB. [2024-11-01 05:37:40,889 INFO L158 Benchmark]: TraceAbstraction took 66790.87ms. Allocated memory was 265.3MB in the beginning and 363.9MB in the end (delta: 98.6MB). Free memory was 233.1MB in the beginning and 149.7MB in the end (delta: 83.4MB). Peak memory consumption was 184.1MB. Max. memory is 8.0GB. [2024-11-01 05:37:40,891 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 185.6MB. Free memory is still 160.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 539.20ms. Allocated memory is still 185.6MB. Free memory was 159.3MB in the beginning and 133.1MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 93.80ms. Allocated memory is still 185.6MB. Free memory was 133.1MB in the beginning and 127.9MB in the end (delta: 5.2MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 95.21ms. Allocated memory is still 185.6MB. Free memory was 127.9MB in the beginning and 122.1MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 846.17ms. Allocated memory was 185.6MB in the beginning and 265.3MB in the end (delta: 79.7MB). Free memory was 122.1MB in the beginning and 233.7MB in the end (delta: -111.5MB). Peak memory consumption was 70.4MB. Max. memory is 8.0GB. * TraceAbstraction took 66790.87ms. Allocated memory was 265.3MB in the beginning and 363.9MB in the end (delta: 98.6MB). Free memory was 233.1MB in the beginning and 149.7MB in the end (delta: 83.4MB). Peak memory consumption was 184.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...