/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_vlunc.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-356b6ba-m [2024-11-01 14:11:19,823 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 14:11:19,897 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 14:11:19,904 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 14:11:19,904 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 14:11:19,953 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 14:11:19,953 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 14:11:19,954 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 14:11:19,954 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 14:11:19,955 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 14:11:19,955 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 14:11:19,956 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 14:11:19,956 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 14:11:19,957 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 14:11:19,958 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 14:11:19,958 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 14:11:19,958 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 14:11:19,959 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 14:11:19,959 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 14:11:19,959 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 14:11:19,960 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 14:11:19,963 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 14:11:19,964 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 14:11:19,964 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 14:11:19,965 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 14:11:19,965 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 14:11:19,965 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 14:11:19,966 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 14:11:19,966 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 14:11:19,966 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 14:11:19,966 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 14:11:19,967 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 14:11:19,967 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 14:11:19,967 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 14:11:19,967 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 14:11:19,968 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 14:11:19,968 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 14:11:19,969 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 14:11:19,969 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 14:11:19,970 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 14:11:19,970 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 14:11:19,970 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 14:11:19,970 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-01 14:11:20,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 14:11:20,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 14:11:20,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 14:11:20,277 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 14:11:20,278 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 14:11:20,279 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_vlunc.c [2024-11-01 14:11:21,747 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 14:11:21,961 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 14:11:21,962 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vis_QF_BV_vlunc.c [2024-11-01 14:11:21,974 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/854e21b27/bdcb3bdb9a02468095ec6f9841a5a6e2/FLAG40bcd5998 [2024-11-01 14:11:22,338 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/854e21b27/bdcb3bdb9a02468095ec6f9841a5a6e2 [2024-11-01 14:11:22,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 14:11:22,341 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 14:11:22,342 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 14:11:22,342 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 14:11:22,348 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 14:11:22,348 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 02:11:22" (1/1) ... [2024-11-01 14:11:22,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65d0aa65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:11:22, skipping insertion in model container [2024-11-01 14:11:22,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 02:11:22" (1/1) ... [2024-11-01 14:11:22,381 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 14:11:22,575 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_vlunc.c[1255,1268] [2024-11-01 14:11:22,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 14:11:22,690 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 14:11:22,703 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_vlunc.c[1255,1268] [2024-11-01 14:11:22,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 14:11:22,785 INFO L204 MainTranslator]: Completed translation [2024-11-01 14:11:22,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:11:22 WrapperNode [2024-11-01 14:11:22,785 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 14:11:22,787 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 14:11:22,787 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 14:11:22,787 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 14:11:22,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:11:22" (1/1) ... [2024-11-01 14:11:22,808 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:11:22" (1/1) ... [2024-11-01 14:11:22,839 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 277 [2024-11-01 14:11:22,840 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 14:11:22,841 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 14:11:22,841 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 14:11:22,841 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 14:11:22,850 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:11:22" (1/1) ... [2024-11-01 14:11:22,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:11:22" (1/1) ... [2024-11-01 14:11:22,857 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:11:22" (1/1) ... [2024-11-01 14:11:22,878 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 14:11:22,879 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:11:22" (1/1) ... [2024-11-01 14:11:22,879 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:11:22" (1/1) ... [2024-11-01 14:11:22,893 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:11:22" (1/1) ... [2024-11-01 14:11:22,899 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:11:22" (1/1) ... [2024-11-01 14:11:22,901 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:11:22" (1/1) ... [2024-11-01 14:11:22,903 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:11:22" (1/1) ... [2024-11-01 14:11:22,910 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 14:11:22,911 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 14:11:22,911 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 14:11:22,911 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 14:11:22,911 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:11:22" (1/1) ... [2024-11-01 14:11:22,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 14:11:22,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 14:11:22,939 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 14:11:22,945 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 14:11:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 14:11:22,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 14:11:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 14:11:22,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 14:11:23,076 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 14:11:23,078 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 14:11:23,426 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-01 14:11:23,426 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 14:11:23,436 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 14:11:23,436 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-01 14:11:23,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 02:11:23 BoogieIcfgContainer [2024-11-01 14:11:23,437 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 14:11:23,439 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 14:11:23,439 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 14:11:23,441 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 14:11:23,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 02:11:22" (1/3) ... [2024-11-01 14:11:23,442 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3221579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 02:11:23, skipping insertion in model container [2024-11-01 14:11:23,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 02:11:22" (2/3) ... [2024-11-01 14:11:23,442 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3221579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 02:11:23, skipping insertion in model container [2024-11-01 14:11:23,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 02:11:23" (3/3) ... [2024-11-01 14:11:23,444 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_QF_BV_vlunc.c [2024-11-01 14:11:23,460 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 14:11:23,461 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 14:11:23,506 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 14:11:23,511 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;@2a0cdccb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 14:11:23,511 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 14:11:23,514 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 14:11:23,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-01 14:11:23,518 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 14:11:23,519 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-01 14:11:23,519 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 14:11:23,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 14:11:23,523 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-01 14:11:23,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 14:11:23,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1933727567] [2024-11-01 14:11:23,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 14:11:23,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-01 14:11:23,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-01 14:11:23,554 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 14:11:23,556 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 14:11:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 14:11:23,720 WARN L253 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-11-01 14:11:23,735 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 14:11:24,553 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 14:11:24,554 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 14:11:24,718 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 14:11:24,719 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 14:11:24,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1933727567] [2024-11-01 14:11:24,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1933727567] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 14:11:24,720 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 14:11:24,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-01 14:11:24,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929121649] [2024-11-01 14:11:24,724 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 14:11:24,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-01 14:11:24,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 14:11:24,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-01 14:11:24,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-01 14:11:24,750 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 14:11:24,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 14:11:24,815 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-01 14:11:24,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-01 14:11:24,818 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 14:11:24,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 14:11:24,824 INFO L225 Difference]: With dead ends: 18 [2024-11-01 14:11:24,824 INFO L226 Difference]: Without dead ends: 10 [2024-11-01 14:11:24,827 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-01 14:11:24,832 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-01 14:11:24,832 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 14 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-01 14:11:24,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-01 14:11:24,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-01 14:11:24,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-01 14:11:24,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-01 14:11:24,861 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-01 14:11:24,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 14:11:24,862 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-01 14:11:24,862 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 14:11:24,862 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-01 14:11:24,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-01 14:11:24,863 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 14:11:24,863 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-01 14:11:24,867 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 14:11:25,066 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 14:11:25,068 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 14:11:25,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 14:11:25,068 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-01 14:11:25,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 14:11:25,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [678897918] [2024-11-01 14:11:25,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 14:11:25,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-01 14:11:25,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-01 14:11:25,073 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 14:11:25,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-01 14:11:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 14:11:25,257 WARN L253 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 117 conjuncts are in the unsatisfiable core [2024-11-01 14:11:25,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 14:11:26,562 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 14:11:26,562 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 14:11:35,029 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 14:11:35,029 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 14:11:35,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [678897918] [2024-11-01 14:11:35,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [678897918] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-01 14:11:35,030 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-01 14:11:35,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-01 14:11:35,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288902315] [2024-11-01 14:11:35,030 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-01 14:11:35,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-01 14:11:35,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 14:11:35,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-01 14:11:35,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-01 14:11:35,037 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-01 14:11:35,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 14:11:35,340 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2024-11-01 14:11:35,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-01 14:11:35,341 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-01 14:11:35,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 14:11:35,341 INFO L225 Difference]: With dead ends: 13 [2024-11-01 14:11:35,341 INFO L226 Difference]: Without dead ends: 0 [2024-11-01 14:11:35,342 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=78, Invalid=132, Unknown=0, NotChecked=0, Total=210 [2024-11-01 14:11:35,343 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 10 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-01 14:11:35,343 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 6 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-01 14:11:35,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-01 14:11:35,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-01 14:11:35,345 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 14:11:35,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-01 14:11:35,345 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2024-11-01 14:11:35,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 14:11:35,345 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-01 14:11:35,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-01 14:11:35,345 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-01 14:11:35,346 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-01 14:11:35,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-01 14:11:35,352 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-01 14:11:35,550 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 [2024-11-01 14:11:35,555 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-01 14:11:35,557 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-01 14:11:35,635 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-01 14:11:35,645 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-01 14:11:35,646 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-01 14:11:35,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.11 02:11:35 BoogieIcfgContainer [2024-11-01 14:11:35,647 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-01 14:11:35,648 INFO L158 Benchmark]: Toolchain (without parser) took 13306.93ms. Allocated memory was 200.3MB in the beginning and 832.6MB in the end (delta: 632.3MB). Free memory was 166.7MB in the beginning and 386.8MB in the end (delta: -220.1MB). Peak memory consumption was 413.2MB. Max. memory is 8.0GB. [2024-11-01 14:11:35,648 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 200.3MB. Free memory is still 177.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-01 14:11:35,649 INFO L158 Benchmark]: CACSL2BoogieTranslator took 443.55ms. Allocated memory is still 200.3MB. Free memory was 166.7MB in the beginning and 147.3MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2024-11-01 14:11:35,649 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.33ms. Allocated memory is still 200.3MB. Free memory was 147.3MB in the beginning and 144.1MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-11-01 14:11:35,650 INFO L158 Benchmark]: Boogie Preprocessor took 69.21ms. Allocated memory is still 200.3MB. Free memory was 144.1MB in the beginning and 140.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-11-01 14:11:35,650 INFO L158 Benchmark]: RCFGBuilder took 526.40ms. Allocated memory is still 200.3MB. Free memory was 140.5MB in the beginning and 171.2MB in the end (delta: -30.7MB). Peak memory consumption was 30.1MB. Max. memory is 8.0GB. [2024-11-01 14:11:35,650 INFO L158 Benchmark]: TraceAbstraction took 12208.68ms. Allocated memory was 200.3MB in the beginning and 832.6MB in the end (delta: 632.3MB). Free memory was 170.6MB in the beginning and 386.8MB in the end (delta: -216.2MB). Peak memory consumption was 416.6MB. Max. memory is 8.0GB. [2024-11-01 14:11:35,655 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 200.3MB. Free memory is still 177.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 443.55ms. Allocated memory is still 200.3MB. Free memory was 166.7MB in the beginning and 147.3MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 53.33ms. Allocated memory is still 200.3MB. Free memory was 147.3MB in the beginning and 144.1MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 69.21ms. Allocated memory is still 200.3MB. Free memory was 144.1MB in the beginning and 140.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 526.40ms. Allocated memory is still 200.3MB. Free memory was 140.5MB in the beginning and 171.2MB in the end (delta: -30.7MB). Peak memory consumption was 30.1MB. Max. memory is 8.0GB. * TraceAbstraction took 12208.68ms. Allocated memory was 200.3MB in the beginning and 832.6MB in the end (delta: 632.3MB). Free memory was 170.6MB in the beginning and 386.8MB in the end (delta: -216.2MB). Peak memory consumption was 416.6MB. 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 - 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: 12.1s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 6 mSDtfsCounter, 28 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, InterpolantAutomatonStates: 13, 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, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 10.8s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 3 QuantifiedInterpolants, 1445 SizeOfPredicates, 32 NumberOfNonLiveVariables, 213 ConjunctsInSsa, 184 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 0/4 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: 64]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2024-11-01 14:11:35,698 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...