/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 'cvc4 --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.bug-1.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.5-dev-356b6ba-m
[2024-11-01 08:17:17,487 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-01 08:17:17,568 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 08:17:17,577 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-01 08:17:17,578 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-01 08:17:17,623 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-01 08:17:17,624 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-01 08:17:17,624 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-01 08:17:17,625 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-01 08:17:17,625 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-01 08:17:17,626 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-01 08:17:17,626 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-01 08:17:17,627 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-01 08:17:17,627 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-01 08:17:17,627 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-01 08:17:17,628 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-01 08:17:17,628 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-01 08:17:17,628 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-01 08:17:17,629 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-01 08:17:17,629 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-01 08:17:17,629 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-01 08:17:17,630 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-01 08:17:17,631 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-01 08:17:17,631 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-01 08:17:17,631 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-01 08:17:17,632 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-01 08:17:17,632 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-01 08:17:17,632 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-01 08:17:17,632 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-01 08:17:17,633 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-01 08:17:17,633 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-01 08:17:17,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-01 08:17:17,634 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-01 08:17:17,638 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-01 08:17:17,638 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-01 08:17:17,639 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2024-11-01 08:17:17,639 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-01 08:17:17,639 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-01 08:17:17,640 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-01 08:17:17,640 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-01 08:17:17,640 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-01 08:17:17,641 INFO L153 SettingsManager]: * Logic for external solver=AUFBV
[2024-11-01 08:17:17,642 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt
[2024-11-01 08:17:17,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-01 08:17:17,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-01 08:17:17,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-01 08:17:17,956 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-01 08:17:17,957 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-01 08:17:17,958 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.bug-1.c
[2024-11-01 08:17:19,427 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-01 08:17:19,669 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-01 08:17:19,670 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.bug-1.c
[2024-11-01 08:17:19,679 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b92552a5a/28655f9474774ebcb47923bae6d1b2a5/FLAG911a4e69b
[2024-11-01 08:17:20,001 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b92552a5a/28655f9474774ebcb47923bae6d1b2a5
[2024-11-01 08:17:20,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-01 08:17:20,004 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-01 08:17:20,005 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-01 08:17:20,005 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-01 08:17:20,010 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-01 08:17:20,010 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 08:17:20" (1/1) ...
[2024-11-01 08:17:20,011 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b17e7e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:17:20, skipping insertion in model container
[2024-11-01 08:17:20,012 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 08:17:20" (1/1) ...
[2024-11-01 08:17:20,033 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-01 08:17:20,203 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.bug-1.c[1245,1258]
[2024-11-01 08:17:20,242 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-01 08:17:20,255 INFO L200 MainTranslator]: Completed pre-run
[2024-11-01 08:17:20,267 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.bug-1.c[1245,1258]
[2024-11-01 08:17:20,287 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-01 08:17:20,308 INFO L204 MainTranslator]: Completed translation
[2024-11-01 08:17:20,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:17:20 WrapperNode
[2024-11-01 08:17:20,310 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-01 08:17:20,311 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-01 08:17:20,311 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-01 08:17:20,311 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-01 08:17:20,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:17:20" (1/1) ...
[2024-11-01 08:17:20,326 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:17:20" (1/1) ...
[2024-11-01 08:17:20,344 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72
[2024-11-01 08:17:20,345 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-01 08:17:20,347 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-01 08:17:20,347 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-01 08:17:20,347 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-01 08:17:20,356 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:17:20" (1/1) ...
[2024-11-01 08:17:20,357 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:17:20" (1/1) ...
[2024-11-01 08:17:20,364 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:17:20" (1/1) ...
[2024-11-01 08:17:20,378 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 08:17:20,378 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:17:20" (1/1) ...
[2024-11-01 08:17:20,378 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:17:20" (1/1) ...
[2024-11-01 08:17:20,383 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:17:20" (1/1) ...
[2024-11-01 08:17:20,385 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:17:20" (1/1) ...
[2024-11-01 08:17:20,386 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:17:20" (1/1) ...
[2024-11-01 08:17:20,387 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:17:20" (1/1) ...
[2024-11-01 08:17:20,389 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-01 08:17:20,398 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-01 08:17:20,398 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-01 08:17:20,398 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-01 08:17:20,399 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:17:20" (1/1) ...
[2024-11-01 08:17:20,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-01 08:17:20,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-01 08:17:20,425 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 08:17:20,427 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 08:17:20,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-01 08:17:20,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-01 08:17:20,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-11-01 08:17:20,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-01 08:17:20,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-01 08:17:20,525 INFO L238 CfgBuilder]: Building ICFG
[2024-11-01 08:17:20,527 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-01 08:17:20,680 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live.
[2024-11-01 08:17:20,680 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-01 08:17:20,689 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-01 08:17:20,689 INFO L316 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-01 08:17:20,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 08:17:20 BoogieIcfgContainer
[2024-11-01 08:17:20,690 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-01 08:17:20,693 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-01 08:17:20,693 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-01 08:17:20,695 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-01 08:17:20,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 08:17:20" (1/3) ...
[2024-11-01 08:17:20,696 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4af64201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 08:17:20, skipping insertion in model container
[2024-11-01 08:17:20,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 08:17:20" (2/3) ...
[2024-11-01 08:17:20,697 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4af64201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 08:17:20, skipping insertion in model container
[2024-11-01 08:17:20,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 08:17:20" (3/3) ...
[2024-11-01 08:17:20,698 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.bug-1.c
[2024-11-01 08:17:20,711 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-01 08:17:20,711 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-01 08:17:20,749 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-01 08:17:20,759 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;@4e50a040, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-01 08:17:20,760 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-01 08:17:20,763 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 08:17:20,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2024-11-01 08:17:20,770 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-01 08:17:20,770 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2024-11-01 08:17:20,771 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-01 08:17:20,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-01 08:17:20,777 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times
[2024-11-01 08:17:20,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-01 08:17:20,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1188254617]
[2024-11-01 08:17:20,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-01 08:17:20,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-01 08:17:20,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2024-11-01 08:17:20,791 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-01 08:17:20,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process
[2024-11-01 08:17:20,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-01 08:17:20,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 18 conjuncts are in the unsatisfiable core
[2024-11-01 08:17:20,938 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-01 08:17:21,196 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 08:17:21,196 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-01 08:17:21,340 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 08:17:21,341 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-01 08:17:21,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1188254617]
[2024-11-01 08:17:21,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1188254617] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-01 08:17:21,342 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-01 08:17:21,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6
[2024-11-01 08:17:21,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40519008]
[2024-11-01 08:17:21,346 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-01 08:17:21,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-01 08:17:21,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-01 08:17:21,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-01 08:17:21,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-01 08:17:21,373 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 08:17:21,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-01 08:17:21,421 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions.
[2024-11-01 08:17:21,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-01 08:17:21,424 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 08:17:21,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-01 08:17:21,430 INFO L225 Difference]: With dead ends: 18
[2024-11-01 08:17:21,431 INFO L226 Difference]: Without dead ends: 10
[2024-11-01 08:17:21,434 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 08:17:21,439 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 08:17:21,440 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 08:17:21,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states.
[2024-11-01 08:17:21,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9.
[2024-11-01 08:17:21,466 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 08:17:21,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions.
[2024-11-01 08:17:21,468 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5
[2024-11-01 08:17:21,469 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-01 08:17:21,469 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions.
[2024-11-01 08:17:21,469 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 08:17:21,469 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions.
[2024-11-01 08:17:21,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-11-01 08:17:21,470 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-01 08:17:21,470 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1]
[2024-11-01 08:17:21,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0
[2024-11-01 08:17:21,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt
[2024-11-01 08:17:21,672 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-01 08:17:21,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-01 08:17:21,673 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times
[2024-11-01 08:17:21,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-01 08:17:21,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1628076516]
[2024-11-01 08:17:21,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-01 08:17:21,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-01 08:17:21,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4
[2024-11-01 08:17:21,677 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-01 08:17:21,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process
[2024-11-01 08:17:21,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-01 08:17:21,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 20 conjuncts are in the unsatisfiable core
[2024-11-01 08:17:21,791 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-01 08:17:21,960 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 08:17:21,961 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-01 08:17:22,563 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 08:17:22,563 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-01 08:17:22,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1628076516]
[2024-11-01 08:17:22,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1628076516] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-01 08:17:22,564 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-01 08:17:22,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8
[2024-11-01 08:17:22,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585261934]
[2024-11-01 08:17:22,564 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-01 08:17:22,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-01 08:17:22,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-01 08:17:22,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-01 08:17:22,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2024-11-01 08:17:22,567 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 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 08:17:22,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-01 08:17:22,597 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions.
[2024-11-01 08:17:22,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-01 08:17:22,599 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 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 08:17:22,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-01 08:17:22,599 INFO L225 Difference]: With dead ends: 9
[2024-11-01 08:17:22,599 INFO L226 Difference]: Without dead ends: 0
[2024-11-01 08:17:22,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72
[2024-11-01 08:17:22,600 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-01 08:17:22,601 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-01 08:17:22,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-01 08:17:22,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-01 08:17:22,602 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 08:17:22,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-01 08:17:22,603 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8
[2024-11-01 08:17:22,603 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-01 08:17:22,603 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-01 08:17:22,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 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 08:17:22,604 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-01 08:17:22,604 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-01 08:17:22,607 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-01 08:17:22,611 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0
[2024-11-01 08:17:22,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt
[2024-11-01 08:17:22,812 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-01 08:17:22,814 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-01 08:17:22,834 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-01 08:17:22,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.11 08:17:22 BoogieIcfgContainer
[2024-11-01 08:17:22,851 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-01 08:17:22,851 INFO L158 Benchmark]: Toolchain (without parser) took 2847.18ms. Allocated memory was 206.6MB in the beginning and 255.9MB in the end (delta: 49.3MB). Free memory was 182.0MB in the beginning and 179.7MB in the end (delta: 2.3MB). Peak memory consumption was 52.7MB. Max. memory is 8.0GB.
[2024-11-01 08:17:22,853 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 206.6MB. Free memory was 183.3MB in the beginning and 183.2MB in the end (delta: 65.5kB). There was no memory consumed. Max. memory is 8.0GB.
[2024-11-01 08:17:22,854 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.65ms. Allocated memory is still 206.6MB. Free memory was 182.0MB in the beginning and 168.3MB in the end (delta: 13.7MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB.
[2024-11-01 08:17:22,854 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.37ms. Allocated memory is still 206.6MB. Free memory was 168.3MB in the beginning and 166.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2024-11-01 08:17:22,855 INFO L158 Benchmark]: Boogie Preprocessor took 42.29ms. Allocated memory is still 206.6MB. Free memory was 166.8MB in the beginning and 164.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2024-11-01 08:17:22,855 INFO L158 Benchmark]: RCFGBuilder took 292.04ms. Allocated memory is still 206.6MB. Free memory was 164.8MB in the beginning and 152.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB.
[2024-11-01 08:17:22,855 INFO L158 Benchmark]: TraceAbstraction took 2158.24ms. Allocated memory was 206.6MB in the beginning and 255.9MB in the end (delta: 49.3MB). Free memory was 151.6MB in the beginning and 179.7MB in the end (delta: -28.1MB). Peak memory consumption was 22.3MB. Max. memory is 8.0GB.
[2024-11-01 08:17:22,857 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 206.6MB. Free memory was 183.3MB in the beginning and 183.2MB in the end (delta: 65.5kB). There was no memory consumed. Max. memory is 8.0GB.
* CACSL2BoogieTranslator took 304.65ms. Allocated memory is still 206.6MB. Free memory was 182.0MB in the beginning and 168.3MB in the end (delta: 13.7MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB.
* Boogie Procedure Inliner took 34.37ms. Allocated memory is still 206.6MB. Free memory was 168.3MB in the beginning and 166.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
* Boogie Preprocessor took 42.29ms. Allocated memory is still 206.6MB. Free memory was 166.8MB in the beginning and 164.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
* RCFGBuilder took 292.04ms. Allocated memory is still 206.6MB. Free memory was 164.8MB in the beginning and 152.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB.
* TraceAbstraction took 2158.24ms. Allocated memory was 206.6MB in the beginning and 255.9MB in the end (delta: 49.3MB). Free memory was 151.6MB in the beginning and 179.7MB in the end (delta: -28.1MB). Peak memory consumption was 22.3MB. 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: 2.1s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 6 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, InterpolantAutomatonStates: 8, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 5 QuantifiedInterpolants, 858 SizeOfPredicates, 10 NumberOfNonLiveVariables, 106 ConjunctsInSsa, 38 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: 43]: Loop Invariant
Derived loop invariant: (((((0 == var_17) && (1 == var_9)) && (1 == var_4)) && (1 == mask_SORT_1)) && (1 == state_5))
RESULT: Ultimate proved your program to be correct!
[2024-11-01 08:17:22,890 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...