/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.vis_QF_BV_s1269b_p3.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-356b6ba-m [2024-11-01 14:11:12,267 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 14:11:12,342 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 14:11:12,348 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 14:11:12,348 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 14:11:12,394 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 14:11:12,395 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 14:11:12,396 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 14:11:12,396 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 14:11:12,397 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 14:11:12,398 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 14:11:12,398 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 14:11:12,399 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 14:11:12,399 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 14:11:12,399 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 14:11:12,400 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 14:11:12,400 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 14:11:12,400 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 14:11:12,401 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 14:11:12,403 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 14:11:12,405 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 14:11:12,406 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 14:11:12,406 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 14:11:12,407 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 14:11:12,407 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 14:11:12,407 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 14:11:12,408 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 14:11:12,408 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 14:11:12,408 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 14:11:12,408 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 14:11:12,409 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 14:11:12,409 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 14:11:12,409 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 14:11:12,410 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 14:11:12,410 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 14:11:12,410 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 14:11:12,410 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 14:11:12,410 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 14:11:12,411 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 14:11:12,411 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 14:11:12,411 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 14:11:12,412 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 14:11:12,412 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-01 14:11:12,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 14:11:12,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 14:11:12,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 14:11:12,757 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 14:11:12,757 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 14:11:12,758 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p3.c [2024-11-01 14:11:14,283 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 14:11:14,507 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 14:11:14,507 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_s1269b_p3.c [2024-11-01 14:11:14,515 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dce5cfa0f/0108bffd709347f58cc69ab3df230775/FLAGd8c2fd55f [2024-11-01 14:11:14,526 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dce5cfa0f/0108bffd709347f58cc69ab3df230775 [2024-11-01 14:11:14,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 14:11:14,529 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 14:11:14,530 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 14:11:14,530 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 14:11:14,536 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 14:11:14,536 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 02:11:14" (1/1) ... [2024-11-01 14:11:14,537 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76664751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:11:14, skipping insertion in model container [2024-11-01 14:11:14,537 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 02:11:14" (1/1) ... [2024-11-01 14:11:14,561 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 14:11:14,733 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.vis_QF_BV_s1269b_p3.c[1259,1272] [2024-11-01 14:11:14,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 14:11:14,805 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 14:11:14,818 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.vis_QF_BV_s1269b_p3.c[1259,1272] [2024-11-01 14:11:14,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 14:11:14,883 INFO L204 MainTranslator]: Completed translation [2024-11-01 14:11:14,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:11:14 WrapperNode [2024-11-01 14:11:14,884 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 14:11:14,885 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 14:11:14,886 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 14:11:14,886 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 14:11:14,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:11:14" (1/1) ... [2024-11-01 14:11:14,904 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:11:14" (1/1) ... [2024-11-01 14:11:14,941 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 228 [2024-11-01 14:11:14,941 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 14:11:14,942 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 14:11:14,944 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 14:11:14,944 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 14:11:14,954 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:11:14" (1/1) ... [2024-11-01 14:11:14,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:11:14" (1/1) ... [2024-11-01 14:11:14,960 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:11:14" (1/1) ... [2024-11-01 14:11:14,981 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 14:11:14,981 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:11:14" (1/1) ... [2024-11-01 14:11:14,981 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:11:14" (1/1) ... [2024-11-01 14:11:14,994 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:11:14" (1/1) ... [2024-11-01 14:11:15,002 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:11:14" (1/1) ... [2024-11-01 14:11:15,003 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:11:14" (1/1) ... [2024-11-01 14:11:15,006 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:11:14" (1/1) ... [2024-11-01 14:11:15,013 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 14:11:15,014 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 14:11:15,014 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 14:11:15,014 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 14:11:15,015 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:11:14" (1/1) ... [2024-11-01 14:11:15,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 14:11:15,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 14:11:15,045 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 14:11:15,048 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 14:11:15,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 14:11:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 14:11:15,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 14:11:15,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 14:11:15,190 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 14:11:15,192 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 14:11:15,431 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-01 14:11:15,432 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 14:11:15,448 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 14:11:15,448 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-01 14:11:15,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 02:11:15 BoogieIcfgContainer [2024-11-01 14:11:15,449 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 14:11:15,453 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 14:11:15,453 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 14:11:15,456 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 14:11:15,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 02:11:14" (1/3) ... [2024-11-01 14:11:15,458 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dd1392b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 02:11:15, skipping insertion in model container [2024-11-01 14:11:15,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:11:14" (2/3) ... [2024-11-01 14:11:15,459 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dd1392b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 02:11:15, skipping insertion in model container [2024-11-01 14:11:15,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 02:11:15" (3/3) ... [2024-11-01 14:11:15,462 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_QF_BV_s1269b_p3.c [2024-11-01 14:11:15,478 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 14:11:15,478 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 14:11:15,523 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 14:11:15,529 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;@3a38780b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 14:11:15,530 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 14:11:15,534 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 14:11:15,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-01 14:11:15,540 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 14:11:15,541 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-01 14:11:15,542 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 14:11:15,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 14:11:15,546 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-01 14:11:15,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 14:11:15,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2013537934] [2024-11-01 14:11:15,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 14:11:15,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-01 14:11:15,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-01 14:11:15,559 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 14:11:15,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-01 14:11:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 14:11:15,716 WARN L253 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-01 14:11:15,772 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 14:11:16,100 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 14:11:16,100 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 14:11:16,177 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 14:11:16,178 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 14:11:16,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2013537934] [2024-11-01 14:11:16,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2013537934] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 14:11:16,179 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 14:11:16,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-01 14:11:16,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001128443] [2024-11-01 14:11:16,182 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 14:11:16,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-01 14:11:16,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 14:11:16,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-01 14:11:16,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-01 14:11:16,208 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 14:11:16,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 14:11:16,264 INFO L93 Difference]: Finished difference Result 16 states and 21 transitions. [2024-11-01 14:11:16,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-01 14:11:16,267 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 14:11:16,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 14:11:16,272 INFO L225 Difference]: With dead ends: 16 [2024-11-01 14:11:16,272 INFO L226 Difference]: Without dead ends: 0 [2024-11-01 14:11:16,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-01 14:11:16,278 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 1 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-01 14:11:16,278 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 7 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-01 14:11:16,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-01 14:11:16,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-01 14:11:16,297 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) [2024-11-01 14:11:16,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-01 14:11:16,298 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2024-11-01 14:11:16,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 14:11:16,298 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-01 14:11:16,298 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 14:11:16,299 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-01 14:11:16,299 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-01 14:11:16,301 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-01 14:11:16,304 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-01 14:11:16,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt [2024-11-01 14:11:16,506 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-01 14:11:16,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-01 14:11:16,532 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-01 14:11:16,543 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-01 14:11:16,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.11 02:11:16 BoogieIcfgContainer [2024-11-01 14:11:16,545 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-01 14:11:16,549 INFO L158 Benchmark]: Toolchain (without parser) took 2017.54ms. Allocated memory was 209.7MB in the beginning and 254.8MB in the end (delta: 45.1MB). Free memory was 185.1MB in the beginning and 118.3MB in the end (delta: 66.8MB). Peak memory consumption was 111.9MB. Max. memory is 8.0GB. [2024-11-01 14:11:16,549 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 209.7MB. Free memory is still 186.8MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-01 14:11:16,550 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.86ms. Allocated memory is still 209.7MB. Free memory was 185.1MB in the beginning and 168.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2024-11-01 14:11:16,550 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.91ms. Allocated memory is still 209.7MB. Free memory was 168.3MB in the beginning and 165.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-11-01 14:11:16,551 INFO L158 Benchmark]: Boogie Preprocessor took 71.19ms. Allocated memory is still 209.7MB. Free memory was 165.7MB in the beginning and 163.1MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-11-01 14:11:16,551 INFO L158 Benchmark]: RCFGBuilder took 435.08ms. Allocated memory is still 209.7MB. Free memory was 163.1MB in the beginning and 142.6MB in the end (delta: 20.5MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2024-11-01 14:11:16,551 INFO L158 Benchmark]: TraceAbstraction took 1093.35ms. Allocated memory was 209.7MB in the beginning and 254.8MB in the end (delta: 45.1MB). Free memory was 141.6MB in the beginning and 118.3MB in the end (delta: 23.4MB). Peak memory consumption was 68.9MB. Max. memory is 8.0GB. [2024-11-01 14:11:16,556 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 209.7MB. Free memory is still 186.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 354.86ms. Allocated memory is still 209.7MB. Free memory was 185.1MB in the beginning and 168.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 55.91ms. Allocated memory is still 209.7MB. Free memory was 168.3MB in the beginning and 165.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 71.19ms. Allocated memory is still 209.7MB. Free memory was 165.7MB in the beginning and 163.1MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 435.08ms. Allocated memory is still 209.7MB. Free memory was 163.1MB in the beginning and 142.6MB in the end (delta: 20.5MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 1093.35ms. Allocated memory was 209.7MB in the beginning and 254.8MB in the end (delta: 45.1MB). Free memory was 141.6MB in the beginning and 118.3MB in the end (delta: 23.4MB). Peak memory consumption was 68.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression * 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: 1.0s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 2 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 5 NumberOfNonLiveVariables, 49 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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: 72]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2024-11-01 14:11:16,589 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...