/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'cvc5 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.h_b06.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 03:50:11,581 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 03:50:11,656 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-05 03:50:11,661 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 03:50:11,662 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 03:50:11,691 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 03:50:11,692 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 03:50:11,692 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 03:50:11,693 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 03:50:11,693 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 03:50:11,693 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 03:50:11,694 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 03:50:11,694 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 03:50:11,694 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 03:50:11,695 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 03:50:11,695 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 03:50:11,695 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 03:50:11,696 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 03:50:11,696 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 03:50:11,698 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 03:50:11,699 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 03:50:11,702 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 03:50:11,702 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 03:50:11,703 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 03:50:11,703 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 03:50:11,703 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 03:50:11,703 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 03:50:11,704 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 03:50:11,704 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 03:50:11,704 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 03:50:11,704 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 03:50:11,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 03:50:11,705 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 03:50:11,705 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 03:50:11,705 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 03:50:11,705 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 03:50:11,706 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 03:50:11,706 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 03:50:11,706 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 03:50:11,706 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 03:50:11,706 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 03:50:11,707 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-05 03:50:11,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 03:50:11,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 03:50:11,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 03:50:11,948 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 03:50:11,948 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 03:50:11,949 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.h_b06.c [2024-11-05 03:50:13,371 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 03:50:13,560 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 03:50:13,560 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.h_b06.c [2024-11-05 03:50:13,571 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c109c02b0/76cd44ccf9ed45499e628f79859cac01/FLAG04573577b [2024-11-05 03:50:13,589 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c109c02b0/76cd44ccf9ed45499e628f79859cac01 [2024-11-05 03:50:13,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 03:50:13,593 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 03:50:13,594 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 03:50:13,594 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 03:50:13,601 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 03:50:13,601 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 03:50:13" (1/1) ... [2024-11-05 03:50:13,602 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@662ef811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:50:13, skipping insertion in model container [2024-11-05 03:50:13,602 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 03:50:13" (1/1) ... [2024-11-05 03:50:13,630 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 03:50:13,802 WARN L250 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.h_b06.c[1245,1258] [2024-11-05 03:50:13,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 03:50:13,854 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 03:50:13,867 WARN L250 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.h_b06.c[1245,1258] [2024-11-05 03:50:13,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 03:50:13,912 INFO L204 MainTranslator]: Completed translation [2024-11-05 03:50:13,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:50:13 WrapperNode [2024-11-05 03:50:13,913 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 03:50:13,914 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 03:50:13,914 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 03:50:13,914 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 03:50:13,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:50:13" (1/1) ... [2024-11-05 03:50:13,932 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:50:13" (1/1) ... [2024-11-05 03:50:13,961 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 155 [2024-11-05 03:50:13,962 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 03:50:13,962 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 03:50:13,963 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 03:50:13,963 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 03:50:13,972 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:50:13" (1/1) ... [2024-11-05 03:50:13,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:50:13" (1/1) ... [2024-11-05 03:50:13,976 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:50:13" (1/1) ... [2024-11-05 03:50:13,985 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2024-11-05 03:50:13,986 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:50:13" (1/1) ... [2024-11-05 03:50:13,986 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:50:13" (1/1) ... [2024-11-05 03:50:13,991 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:50:13" (1/1) ... [2024-11-05 03:50:13,993 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:50:13" (1/1) ... [2024-11-05 03:50:13,995 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:50:13" (1/1) ... [2024-11-05 03:50:13,996 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:50:13" (1/1) ... [2024-11-05 03:50:13,998 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 03:50:13,999 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 03:50:13,999 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 03:50:14,000 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 03:50:14,000 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:50:13" (1/1) ... [2024-11-05 03:50:14,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 03:50:14,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 03:50:14,027 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) [2024-11-05 03:50:14,033 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 [2024-11-05 03:50:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 03:50:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 03:50:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 03:50:14,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 03:50:14,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 03:50:14,162 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 03:50:14,164 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 03:50:14,388 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2024-11-05 03:50:14,388 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 03:50:14,402 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 03:50:14,403 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-05 03:50:14,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 03:50:14 BoogieIcfgContainer [2024-11-05 03:50:14,404 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 03:50:14,406 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 03:50:14,406 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 03:50:14,409 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 03:50:14,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 03:50:13" (1/3) ... [2024-11-05 03:50:14,410 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a1060f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 03:50:14, skipping insertion in model container [2024-11-05 03:50:14,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 03:50:13" (2/3) ... [2024-11-05 03:50:14,411 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a1060f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 03:50:14, skipping insertion in model container [2024-11-05 03:50:14,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 03:50:14" (3/3) ... [2024-11-05 03:50:14,413 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_b06.c [2024-11-05 03:50:14,428 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 03:50:14,428 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 03:50:14,488 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 03:50:14,494 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;@5c516414, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 03:50:14,494 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 03:50:14,498 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) [2024-11-05 03:50:14,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-05 03:50:14,504 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 03:50:14,506 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-05 03:50:14,506 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 03:50:14,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 03:50:14,512 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-05 03:50:14,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 03:50:14,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [690675873] [2024-11-05 03:50:14,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 03:50:14,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-05 03:50:14,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-05 03:50:14,525 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-05 03:50:14,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-05 03:50:14,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 03:50:14,662 WARN L253 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-05 03:50:14,699 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 03:50:15,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 03:50:15,108 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 03:50:15,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 03:50:15,337 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 03:50:15,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [690675873] [2024-11-05 03:50:15,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [690675873] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 03:50:15,339 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 03:50:15,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-05 03:50:15,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696253301] [2024-11-05 03:50:15,341 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 03:50:15,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 03:50:15,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 03:50:15,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 03:50:15,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-05 03:50:15,369 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) [2024-11-05 03:50:15,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 03:50:15,407 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2024-11-05 03:50:15,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-05 03:50:15,410 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 [2024-11-05 03:50:15,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 03:50:15,415 INFO L225 Difference]: With dead ends: 17 [2024-11-05 03:50:15,416 INFO L226 Difference]: Without dead ends: 9 [2024-11-05 03:50:15,418 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-05 03:50:15,422 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 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 [2024-11-05 03:50:15,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 03:50:15,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-11-05 03:50:15,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-05 03:50:15,446 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) [2024-11-05 03:50:15,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-05 03:50:15,448 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-05 03:50:15,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 03:50:15,448 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-05 03:50:15,449 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) [2024-11-05 03:50:15,449 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-05 03:50:15,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-05 03:50:15,450 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 03:50:15,450 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-05 03:50:15,455 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-05 03:50:15,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-05 03:50:15,653 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 03:50:15,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 03:50:15,654 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-05 03:50:15,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 03:50:15,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1819809454] [2024-11-05 03:50:15,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 03:50:15,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-05 03:50:15,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-05 03:50:15,658 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-05 03:50:15,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-05 03:50:15,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 03:50:15,780 WARN L253 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-11-05 03:50:15,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 03:50:16,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 03:50:16,448 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 03:50:17,203 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 03:50:17,204 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 03:50:17,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1819809454] [2024-11-05 03:50:17,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1819809454] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 03:50:17,206 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 03:50:17,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-05 03:50:17,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124996056] [2024-11-05 03:50:17,207 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 03:50:17,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-05 03:50:17,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 03:50:17,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-05 03:50:17,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-05 03:50:17,209 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) [2024-11-05 03:50:17,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 03:50:17,453 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2024-11-05 03:50:17,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-05 03:50:17,454 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 [2024-11-05 03:50:17,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 03:50:17,455 INFO L225 Difference]: With dead ends: 17 [2024-11-05 03:50:17,455 INFO L226 Difference]: Without dead ends: 15 [2024-11-05 03:50:17,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-05 03:50:17,457 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-05 03:50:17,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 19 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-05 03:50:17,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-05 03:50:17,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-05 03:50:17,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 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) [2024-11-05 03:50:17,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2024-11-05 03:50:17,466 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 8 [2024-11-05 03:50:17,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 03:50:17,466 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2024-11-05 03:50:17,466 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) [2024-11-05 03:50:17,466 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2024-11-05 03:50:17,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-05 03:50:17,467 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 03:50:17,467 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2024-11-05 03:50:17,472 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-05 03:50:17,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-05 03:50:17,668 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 03:50:17,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 03:50:17,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1333570723, now seen corresponding path program 2 times [2024-11-05 03:50:17,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 03:50:17,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1969902868] [2024-11-05 03:50:17,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 03:50:17,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-05 03:50:17,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-05 03:50:17,673 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-05 03:50:17,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-05 03:50:17,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 03:50:17,842 WARN L253 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 115 conjuncts are in the unsatisfiable core [2024-11-05 03:50:17,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 03:50:19,231 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-05 03:50:19,232 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 03:50:21,059 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-05 03:50:21,060 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 03:50:21,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1969902868] [2024-11-05 03:50:21,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1969902868] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 03:50:21,061 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 03:50:21,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 16 [2024-11-05 03:50:21,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657402789] [2024-11-05 03:50:21,061 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 03:50:21,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-05 03:50:21,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 03:50:21,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-05 03:50:21,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-11-05 03:50:21,065 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 16 states, 16 states have (on average 1.625) internal successors, (26), 16 states have internal predecessors, (26), 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) [2024-11-05 03:50:21,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 03:50:21,226 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2024-11-05 03:50:21,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-05 03:50:21,227 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.625) internal successors, (26), 16 states have internal predecessors, (26), 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 14 [2024-11-05 03:50:21,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 03:50:21,227 INFO L225 Difference]: With dead ends: 15 [2024-11-05 03:50:21,227 INFO L226 Difference]: Without dead ends: 0 [2024-11-05 03:50:21,228 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2024-11-05 03:50:21,228 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-05 03:50:21,229 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 03:50:21,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-05 03:50:21,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-05 03:50:21,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2024-11-05 03:50:21,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-05 03:50:21,230 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2024-11-05 03:50:21,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 03:50:21,230 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-05 03:50:21,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.625) internal successors, (26), 16 states have internal predecessors, (26), 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) [2024-11-05 03:50:21,230 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-05 03:50:21,231 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-05 03:50:21,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-05 03:50:21,237 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-05 03:50:21,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-05 03:50:21,440 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1] [2024-11-05 03:50:21,442 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-05 03:50:21,525 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-05 03:50:21,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.11 03:50:21 BoogieIcfgContainer [2024-11-05 03:50:21,537 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-05 03:50:21,537 INFO L158 Benchmark]: Toolchain (without parser) took 7944.80ms. Allocated memory was 187.7MB in the beginning and 449.8MB in the end (delta: 262.1MB). Free memory was 147.5MB in the beginning and 269.1MB in the end (delta: -121.6MB). Peak memory consumption was 142.6MB. Max. memory is 8.0GB. [2024-11-05 03:50:21,538 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 187.7MB. Free memory is still 142.0MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-05 03:50:21,538 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.68ms. Allocated memory is still 187.7MB. Free memory was 147.1MB in the beginning and 131.8MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-11-05 03:50:21,538 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.24ms. Allocated memory is still 187.7MB. Free memory was 131.8MB in the beginning and 129.3MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-11-05 03:50:21,538 INFO L158 Benchmark]: Boogie Preprocessor took 36.16ms. Allocated memory is still 187.7MB. Free memory was 129.3MB in the beginning and 126.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-05 03:50:21,539 INFO L158 Benchmark]: RCFGBuilder took 404.38ms. Allocated memory is still 187.7MB. Free memory was 126.9MB in the beginning and 109.4MB in the end (delta: 17.5MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2024-11-05 03:50:21,539 INFO L158 Benchmark]: TraceAbstraction took 7130.54ms. Allocated memory was 187.7MB in the beginning and 449.8MB in the end (delta: 262.1MB). Free memory was 108.7MB in the beginning and 269.1MB in the end (delta: -160.4MB). Peak memory consumption was 103.8MB. Max. memory is 8.0GB. [2024-11-05 03:50:21,540 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 187.7MB. Free memory is still 142.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 318.68ms. Allocated memory is still 187.7MB. Free memory was 147.1MB in the beginning and 131.8MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 48.24ms. Allocated memory is still 187.7MB. Free memory was 131.8MB in the beginning and 129.3MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.16ms. Allocated memory is still 187.7MB. Free memory was 129.3MB in the beginning and 126.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 404.38ms. Allocated memory is still 187.7MB. Free memory was 126.9MB in the beginning and 109.4MB in the end (delta: 17.5MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 7130.54ms. Allocated memory was 187.7MB in the beginning and 449.8MB in the end (delta: 262.1MB). Free memory was 108.7MB in the beginning and 269.1MB in the end (delta: -160.4MB). Peak memory consumption was 103.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 21]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.0s, OverallIterations: 3, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 29 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 77 IncrementalHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 11 mSDtfsCounter, 77 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=2, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 48 ConstructedInterpolants, 16 QuantifiedInterpolants, 2852 SizeOfPredicates, 34 NumberOfNonLiveVariables, 290 ConjunctsInSsa, 220 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 1/34 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: (((((((((1 == var_22) && (2 == var_17)) && (((0 == state_6) && (0 == state_8)) || ((1 == state_6) && (1 == state_8)))) && (1 == var_39)) && (3 == mask_SORT_11)) && (1 == mask_SORT_1)) && (0 == var_12)) && (0 == var_5)) && (((0 == state_31) && (0 == state_13)) || ((1 == state_31) && (1 == state_13)))) RESULT: Ultimate proved your program to be correct! [2024-11-05 03:50:21,575 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 0 Received shutdown request...