/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_b08.c -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-356b6ba-m [2024-11-01 13:18:25,650 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 13:18:25,732 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 13:18:25,738 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 13:18:25,738 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 13:18:25,774 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 13:18:25,774 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 13:18:25,775 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 13:18:25,775 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 13:18:25,775 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 13:18:25,776 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 13:18:25,777 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 13:18:25,777 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 13:18:25,779 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 13:18:25,779 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 13:18:25,780 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 13:18:25,780 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 13:18:25,780 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 13:18:25,781 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 13:18:25,781 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 13:18:25,784 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 13:18:25,785 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 13:18:25,785 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 13:18:25,785 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 13:18:25,785 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 13:18:25,786 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 13:18:25,786 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 13:18:25,786 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 13:18:25,786 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 13:18:25,787 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 13:18:25,787 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 13:18:25,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 13:18:25,787 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 13:18:25,788 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 13:18:25,788 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 13:18:25,789 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 13:18:25,790 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 13:18:25,790 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 13:18:25,790 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 13:18:25,790 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 13:18:25,791 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 13:18:25,791 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 13:18:25,791 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc5 --incremental --print-success --lang smt [2024-11-01 13:18:26,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 13:18:26,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 13:18:26,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 13:18:26,121 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 13:18:26,122 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 13:18:26,123 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.h_b08.c [2024-11-01 13:18:27,695 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 13:18:27,962 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 13:18:27,963 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.h_b08.c [2024-11-01 13:18:27,984 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7f9d4f50/48458e49addd4fce83ffbabd50544bb5/FLAG2744acbc1 [2024-11-01 13:18:28,001 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7f9d4f50/48458e49addd4fce83ffbabd50544bb5 [2024-11-01 13:18:28,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 13:18:28,005 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 13:18:28,007 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 13:18:28,007 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 13:18:28,012 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 13:18:28,012 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 01:18:28" (1/1) ... [2024-11-01 13:18:28,013 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26d3c5f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:18:28, skipping insertion in model container [2024-11-01 13:18:28,013 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 01:18:28" (1/1) ... [2024-11-01 13:18:28,052 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 13:18:28,232 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.h_b08.c[1245,1258] [2024-11-01 13:18:28,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 13:18:28,342 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 13:18:28,355 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.h_b08.c[1245,1258] [2024-11-01 13:18:28,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 13:18:28,437 INFO L204 MainTranslator]: Completed translation [2024-11-01 13:18:28,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:18:28 WrapperNode [2024-11-01 13:18:28,438 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 13:18:28,439 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 13:18:28,439 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 13:18:28,439 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 13:18:28,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:18:28" (1/1) ... [2024-11-01 13:18:28,458 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:18:28" (1/1) ... [2024-11-01 13:18:28,513 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 374 [2024-11-01 13:18:28,514 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 13:18:28,514 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 13:18:28,515 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 13:18:28,515 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 13:18:28,525 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:18:28" (1/1) ... [2024-11-01 13:18:28,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:18:28" (1/1) ... [2024-11-01 13:18:28,532 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:18:28" (1/1) ... [2024-11-01 13:18:28,556 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]. [2024-11-01 13:18:28,561 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:18:28" (1/1) ... [2024-11-01 13:18:28,561 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:18:28" (1/1) ... [2024-11-01 13:18:28,601 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:18:28" (1/1) ... [2024-11-01 13:18:28,608 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:18:28" (1/1) ... [2024-11-01 13:18:28,614 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:18:28" (1/1) ... [2024-11-01 13:18:28,616 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:18:28" (1/1) ... [2024-11-01 13:18:28,627 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 13:18:28,628 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 13:18:28,628 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 13:18:28,629 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 13:18:28,633 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:18:28" (1/1) ... [2024-11-01 13:18:28,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 13:18:28,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 13:18:28,669 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 13:18:28,671 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 13:18:28,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 13:18:28,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 13:18:28,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-01 13:18:28,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 13:18:28,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 13:18:28,848 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 13:18:28,850 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 13:18:29,285 INFO L? ?]: Removed 199 outVars from TransFormulas that were not future-live. [2024-11-01 13:18:29,286 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 13:18:29,296 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 13:18:29,296 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-01 13:18:29,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 01:18:29 BoogieIcfgContainer [2024-11-01 13:18:29,297 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 13:18:29,299 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 13:18:29,299 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 13:18:29,302 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 13:18:29,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 01:18:28" (1/3) ... [2024-11-01 13:18:29,303 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78c9e46a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 01:18:29, skipping insertion in model container [2024-11-01 13:18:29,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 01:18:28" (2/3) ... [2024-11-01 13:18:29,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78c9e46a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 01:18:29, skipping insertion in model container [2024-11-01 13:18:29,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 01:18:29" (3/3) ... [2024-11-01 13:18:29,307 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_b08.c [2024-11-01 13:18:29,323 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 13:18:29,324 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 13:18:29,374 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 13:18:29,382 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;@4f8ab884, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 13:18:29,383 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 13:18:29,387 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 13:18:29,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-01 13:18:29,395 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 13:18:29,395 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-01 13:18:29,396 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 13:18:29,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 13:18:29,402 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-01 13:18:29,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 13:18:29,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1686013265] [2024-11-01 13:18:29,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 13:18:29,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-01 13:18:29,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-01 13:18:29,417 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 13:18:29,419 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 13:18:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 13:18:29,720 WARN L253 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 195 conjuncts are in the unsatisfiable core [2024-11-01 13:18:29,759 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 13:18:33,674 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 13:18:33,675 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 13:18:43,536 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 13:18:43,537 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 13:18:43,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1686013265] [2024-11-01 13:18:43,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1686013265] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 13:18:43,538 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 13:18:43,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-01 13:18:43,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640967328] [2024-11-01 13:18:43,540 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 13:18:43,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-01 13:18:43,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 13:18:43,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-01 13:18:43,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-01 13:18:43,564 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 13:18:44,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-01 13:18:45,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 13:18:45,258 INFO L93 Difference]: Finished difference Result 21 states and 28 transitions. [2024-11-01 13:18:45,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-01 13:18:45,260 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 13:18:45,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 13:18:45,266 INFO L225 Difference]: With dead ends: 21 [2024-11-01 13:18:45,266 INFO L226 Difference]: Without dead ends: 13 [2024-11-01 13:18:45,268 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-01 13:18:45,271 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 6 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-01 13:18:45,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 14 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-01 13:18:45,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-01 13:18:45,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2024-11-01 13:18:45,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-01 13:18:45,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-01 13:18:45,298 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 5 [2024-11-01 13:18:45,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 13:18:45,298 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-01 13:18:45,298 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 13:18:45,298 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-01 13:18:45,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-01 13:18:45,299 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 13:18:45,299 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2024-11-01 13:18:45,303 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 13:18:45,500 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 13:18:45,501 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 13:18:45,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 13:18:45,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1906115653, now seen corresponding path program 1 times [2024-11-01 13:18:45,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 13:18:45,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [381600129] [2024-11-01 13:18:45,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 13:18:45,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc5 --incremental --print-success --lang smt [2024-11-01 13:18:45,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 [2024-11-01 13:18:45,506 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 13:18:45,507 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 13:18:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 13:18:45,912 WARN L253 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 525 conjuncts are in the unsatisfiable core [2024-11-01 13:18:45,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 13:18:52,073 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 13:18:52,073 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 13:19:24,514 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 13:19:24,514 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 13:19:24,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [381600129] [2024-11-01 13:19:24,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [381600129] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-01 13:19:24,515 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-01 13:19:24,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2024-11-01 13:19:24,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524384546] [2024-11-01 13:19:24,515 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-01 13:19:24,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-01 13:19:24,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 13:19:24,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-01 13:19:24,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2024-11-01 13:19:24,518 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 13 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 13 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-01 13:19:24,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 13:19:24,751 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2024-11-01 13:19:24,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-01 13:19:24,752 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 13 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-01 13:19:24,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 13:19:24,752 INFO L225 Difference]: With dead ends: 12 [2024-11-01 13:19:24,752 INFO L226 Difference]: Without dead ends: 0 [2024-11-01 13:19:24,753 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2024-11-01 13:19:24,754 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-01 13:19:24,754 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-01 13:19:24,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-01 13:19:24,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-01 13:19:24,755 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 13:19:24,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-01 13:19:24,756 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2024-11-01 13:19:24,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 13:19:24,756 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-01 13:19:24,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 13 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-01 13:19:24,756 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-01 13:19:24,756 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-01 13:19:24,759 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-01 13:19:24,765 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc5 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-01 13:19:24,960 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 13:19:24,963 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-01 13:19:24,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-01 13:19:25,250 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-01 13:19:25,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.11 01:19:25 BoogieIcfgContainer [2024-11-01 13:19:25,267 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-01 13:19:25,267 INFO L158 Benchmark]: Toolchain (without parser) took 57261.83ms. Allocated memory was 185.6MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 160.7MB in the beginning and 536.6MB in the end (delta: -375.9MB). Peak memory consumption was 710.4MB. Max. memory is 8.0GB. [2024-11-01 13:19:25,268 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 185.6MB. Free memory was 161.4MB in the beginning and 161.2MB in the end (delta: 141.6kB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-01 13:19:25,272 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.81ms. Allocated memory is still 185.6MB. Free memory was 160.1MB in the beginning and 140.6MB in the end (delta: 19.5MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2024-11-01 13:19:25,273 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.13ms. Allocated memory is still 185.6MB. Free memory was 140.6MB in the beginning and 137.1MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-11-01 13:19:25,273 INFO L158 Benchmark]: Boogie Preprocessor took 112.97ms. Allocated memory is still 185.6MB. Free memory was 137.1MB in the beginning and 133.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-11-01 13:19:25,273 INFO L158 Benchmark]: RCFGBuilder took 668.65ms. Allocated memory is still 185.6MB. Free memory was 133.4MB in the beginning and 95.6MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2024-11-01 13:19:25,274 INFO L158 Benchmark]: TraceAbstraction took 55967.53ms. Allocated memory was 185.6MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 95.1MB in the beginning and 536.6MB in the end (delta: -441.4MB). Peak memory consumption was 645.4MB. Max. memory is 8.0GB. [2024-11-01 13:19:25,277 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 185.6MB. Free memory was 161.4MB in the beginning and 161.2MB in the end (delta: 141.6kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 430.81ms. Allocated memory is still 185.6MB. Free memory was 160.1MB in the beginning and 140.6MB in the end (delta: 19.5MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 75.13ms. Allocated memory is still 185.6MB. Free memory was 140.6MB in the beginning and 137.1MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 112.97ms. Allocated memory is still 185.6MB. Free memory was 137.1MB in the beginning and 133.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 668.65ms. Allocated memory is still 185.6MB. Free memory was 133.4MB in the beginning and 95.6MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * TraceAbstraction took 55967.53ms. Allocated memory was 185.6MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 95.1MB in the beginning and 536.6MB in the end (delta: -441.4MB). Peak memory consumption was 645.4MB. 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: 55.6s, OverallIterations: 2, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30 IncrementalHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 6 mSDtfsCounter, 30 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=1, InterpolantAutomatonStates: 14, 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: 0.2s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 52.5s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 28 ConstructedInterpolants, 7 QuantifiedInterpolants, 18755 SizeOfPredicates, 51 NumberOfNonLiveVariables, 770 ConjunctsInSsa, 720 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 0/14 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: 99]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((7 == mask_SORT_9) && (1046202 == var_70)) && (196596 == var_7)) && (522618 == var_88)) && (1 == state_108)) && (0 == var_107)) && (2 == var_35)) && (1047464 == var_48)) && (0 == var_10)) && (3 == var_30)) && (1 == var_96)) && (1 == var_40)) && (0 == var_45)) && (692223 == var_78)) && (0 == state_11)) && (15 == mask_SORT_90)) && (1048430 == var_60)) && (1 == mask_SORT_1)) && (6 == var_15)) && (5 == var_20)) && (4 == var_25)) && (829275 == var_8)) && (236898 == var_84)) || (((((((((((((((((((((((7 == mask_SORT_9) && (1046202 == var_70)) && (196596 == var_7)) && (522618 == var_88)) && (0 == var_107)) && (2 == var_35)) && (1047464 == var_48)) && (0 == var_10)) && (3 == var_30)) && (1 == var_96)) && (0 == state_108)) && (1 == var_40)) && (0 == var_45)) && (692223 == var_78)) && (0 == state_11)) && (15 == mask_SORT_90)) && (1048430 == var_60)) && (1 == mask_SORT_1)) && (6 == var_15)) && (5 == var_20)) && (4 == var_25)) && (829275 == var_8)) && (236898 == var_84))) RESULT: Ultimate proved your program to be correct! [2024-11-01 13:19:25,365 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...