./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-optional-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-optional-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 88a09c8f9046119952ab983278979c8bac528a0f4e69aababe99c00b4eccdca0 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-12 18:21:27,212 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 18:21:27,303 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-12 18:21:27,317 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 18:21:27,318 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 18:21:27,344 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 18:21:27,345 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 18:21:27,345 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 18:21:27,346 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 18:21:27,347 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 18:21:27,347 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-12 18:21:27,347 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-12 18:21:27,348 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 18:21:27,348 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 18:21:27,349 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 18:21:27,349 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 18:21:27,349 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-12 18:21:27,350 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-12 18:21:27,350 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 18:21:27,350 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-12 18:21:27,351 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 18:21:27,356 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-12 18:21:27,356 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-12 18:21:27,356 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-12 18:21:27,356 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 18:21:27,357 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-12 18:21:27,357 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 18:21:27,357 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 18:21:27,357 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 18:21:27,358 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 18:21:27,358 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-12 18:21:27,358 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-12 18:21:27,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 18:21:27,359 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 18:21:27,359 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-12 18:21:27,360 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-12 18:21:27,363 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 18:21:27,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-12 18:21:27,364 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-12 18:21:27,364 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-12 18:21:27,364 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-12 18:21:27,365 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-12 18:21:27,365 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88a09c8f9046119952ab983278979c8bac528a0f4e69aababe99c00b4eccdca0 [2024-10-12 18:21:27,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 18:21:27,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 18:21:27,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 18:21:27,693 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 18:21:27,694 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 18:21:27,695 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-optional-2.i [2024-10-12 18:21:29,331 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 18:21:29,594 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 18:21:29,595 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-optional-2.i [2024-10-12 18:21:29,608 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/029a6bc1e/8cd579cc71b541178fe4a3a28e97966d/FLAG92a29d503 [2024-10-12 18:21:29,906 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/029a6bc1e/8cd579cc71b541178fe4a3a28e97966d [2024-10-12 18:21:29,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 18:21:29,911 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 18:21:29,913 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 18:21:29,913 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 18:21:29,919 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 18:21:29,920 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 06:21:29" (1/1) ... [2024-10-12 18:21:29,923 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@771875ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:21:29, skipping insertion in model container [2024-10-12 18:21:29,924 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 06:21:29" (1/1) ... [2024-10-12 18:21:29,978 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 18:21:30,357 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-optional-2.i[22641,22654] [2024-10-12 18:21:30,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 18:21:30,385 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 18:21:30,433 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/forester-heap/sll-optional-2.i[22641,22654] [2024-10-12 18:21:30,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 18:21:30,470 INFO L204 MainTranslator]: Completed translation [2024-10-12 18:21:30,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:21:30 WrapperNode [2024-10-12 18:21:30,471 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 18:21:30,472 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 18:21:30,473 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 18:21:30,474 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 18:21:30,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:21:30" (1/1) ... [2024-10-12 18:21:30,498 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:21:30" (1/1) ... [2024-10-12 18:21:30,532 INFO L138 Inliner]: procedures = 119, calls = 38, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 114 [2024-10-12 18:21:30,532 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 18:21:30,536 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 18:21:30,536 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 18:21:30,536 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 18:21:30,549 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:21:30" (1/1) ... [2024-10-12 18:21:30,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:21:30" (1/1) ... [2024-10-12 18:21:30,552 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:21:30" (1/1) ... [2024-10-12 18:21:30,573 INFO L175 MemorySlicer]: Split 28 memory accesses to 2 slices as follows [2, 26]. 93 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 17 writes are split as follows [0, 17]. [2024-10-12 18:21:30,574 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:21:30" (1/1) ... [2024-10-12 18:21:30,574 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:21:30" (1/1) ... [2024-10-12 18:21:30,581 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:21:30" (1/1) ... [2024-10-12 18:21:30,588 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:21:30" (1/1) ... [2024-10-12 18:21:30,590 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:21:30" (1/1) ... [2024-10-12 18:21:30,591 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:21:30" (1/1) ... [2024-10-12 18:21:30,594 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 18:21:30,596 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 18:21:30,596 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 18:21:30,596 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 18:21:30,597 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:21:30" (1/1) ... [2024-10-12 18:21:30,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 18:21:30,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 18:21:30,653 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) [2024-10-12 18:21:30,664 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 [2024-10-12 18:21:30,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-12 18:21:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-12 18:21:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-12 18:21:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-12 18:21:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-12 18:21:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 18:21:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-12 18:21:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-12 18:21:30,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-12 18:21:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-12 18:21:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-12 18:21:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-12 18:21:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-12 18:21:30,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 18:21:30,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 18:21:30,842 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 18:21:30,845 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 18:21:31,158 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-10-12 18:21:31,159 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 18:21:31,207 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 18:21:31,207 INFO L314 CfgBuilder]: Removed 5 assume(true) statements. [2024-10-12 18:21:31,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 06:21:31 BoogieIcfgContainer [2024-10-12 18:21:31,208 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 18:21:31,210 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-12 18:21:31,210 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-12 18:21:31,214 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-12 18:21:31,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 06:21:29" (1/3) ... [2024-10-12 18:21:31,215 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42b13ba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 06:21:31, skipping insertion in model container [2024-10-12 18:21:31,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 06:21:30" (2/3) ... [2024-10-12 18:21:31,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42b13ba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 06:21:31, skipping insertion in model container [2024-10-12 18:21:31,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 06:21:31" (3/3) ... [2024-10-12 18:21:31,232 INFO L112 eAbstractionObserver]: Analyzing ICFG sll-optional-2.i [2024-10-12 18:21:31,247 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-12 18:21:31,247 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-12 18:21:31,305 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-12 18:21:31,314 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;@47af23d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-12 18:21:31,315 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-12 18:21:31,321 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 21 states have (on average 1.7619047619047619) internal successors, (37), 22 states have internal predecessors, (37), 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) [2024-10-12 18:21:31,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-12 18:21:31,328 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 18:21:31,329 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 18:21:31,329 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 18:21:31,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 18:21:31,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1554532259, now seen corresponding path program 1 times [2024-10-12 18:21:31,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 18:21:31,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222802162] [2024-10-12 18:21:31,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 18:21:31,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 18:21:31,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 18:21:31,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 18:21:31,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 18:21:31,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222802162] [2024-10-12 18:21:31,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222802162] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 18:21:31,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 18:21:31,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-12 18:21:31,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108146962] [2024-10-12 18:21:31,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 18:21:31,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-12 18:21:31,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 18:21:31,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-12 18:21:31,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-12 18:21:31,611 INFO L87 Difference]: Start difference. First operand has 23 states, 21 states have (on average 1.7619047619047619) internal successors, (37), 22 states have internal predecessors, (37), 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 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2024-10-12 18:21:31,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 18:21:31,635 INFO L93 Difference]: Finished difference Result 38 states and 60 transitions. [2024-10-12 18:21:31,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-12 18:21:31,639 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2024-10-12 18:21:31,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 18:21:31,650 INFO L225 Difference]: With dead ends: 38 [2024-10-12 18:21:31,651 INFO L226 Difference]: Without dead ends: 17 [2024-10-12 18:21:31,654 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-12 18:21:31,660 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 18:21:31,665 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 18:21:31,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-10-12 18:21:31,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-10-12 18:21:31,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 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) [2024-10-12 18:21:31,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2024-10-12 18:21:31,693 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 23 transitions. Word has length 10 [2024-10-12 18:21:31,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 18:21:31,694 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 23 transitions. [2024-10-12 18:21:31,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2024-10-12 18:21:31,694 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2024-10-12 18:21:31,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-12 18:21:31,695 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 18:21:31,696 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 18:21:31,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-12 18:21:31,696 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 18:21:31,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 18:21:31,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1470899871, now seen corresponding path program 1 times [2024-10-12 18:21:31,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 18:21:31,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659897790] [2024-10-12 18:21:31,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 18:21:31,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 18:21:31,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 18:21:31,780 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 18:21:31,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 18:21:31,848 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 18:21:31,849 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-12 18:21:31,852 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-12 18:21:31,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-12 18:21:31,859 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-12 18:21:31,886 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-12 18:21:31,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 06:21:31 BoogieIcfgContainer [2024-10-12 18:21:31,892 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-12 18:21:31,893 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-12 18:21:31,893 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-12 18:21:31,893 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-12 18:21:31,894 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 06:21:31" (3/4) ... [2024-10-12 18:21:31,895 INFO L133 WitnessPrinter]: Generating witness for reachability counterexample [2024-10-12 18:21:31,941 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-12 18:21:31,941 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-12 18:21:31,942 INFO L158 Benchmark]: Toolchain (without parser) took 2031.42ms. Allocated memory was 172.0MB in the beginning and 245.4MB in the end (delta: 73.4MB). Free memory was 114.1MB in the beginning and 177.8MB in the end (delta: -63.7MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-10-12 18:21:31,943 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 172.0MB. Free memory is still 134.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 18:21:31,943 INFO L158 Benchmark]: CACSL2BoogieTranslator took 558.41ms. Allocated memory is still 172.0MB. Free memory was 114.1MB in the beginning and 94.4MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-12 18:21:31,943 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.25ms. Allocated memory is still 172.0MB. Free memory was 94.4MB in the beginning and 92.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 18:21:31,944 INFO L158 Benchmark]: Boogie Preprocessor took 58.84ms. Allocated memory is still 172.0MB. Free memory was 92.2MB in the beginning and 89.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-12 18:21:31,944 INFO L158 Benchmark]: RCFGBuilder took 612.41ms. Allocated memory is still 172.0MB. Free memory was 89.4MB in the beginning and 139.5MB in the end (delta: -50.1MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2024-10-12 18:21:31,945 INFO L158 Benchmark]: TraceAbstraction took 682.02ms. Allocated memory was 172.0MB in the beginning and 245.4MB in the end (delta: 73.4MB). Free memory was 138.8MB in the beginning and 179.9MB in the end (delta: -41.1MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2024-10-12 18:21:31,945 INFO L158 Benchmark]: Witness Printer took 48.59ms. Allocated memory is still 245.4MB. Free memory was 179.9MB in the beginning and 177.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-12 18:21:31,947 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 172.0MB. Free memory is still 134.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 558.41ms. Allocated memory is still 172.0MB. Free memory was 114.1MB in the beginning and 94.4MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.25ms. Allocated memory is still 172.0MB. Free memory was 94.4MB in the beginning and 92.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.84ms. Allocated memory is still 172.0MB. Free memory was 92.2MB in the beginning and 89.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 612.41ms. Allocated memory is still 172.0MB. Free memory was 89.4MB in the beginning and 139.5MB in the end (delta: -50.1MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. * TraceAbstraction took 682.02ms. Allocated memory was 172.0MB in the beginning and 245.4MB in the end (delta: 73.4MB). Free memory was 138.8MB in the beginning and 179.9MB in the end (delta: -41.1MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. * Witness Printer took 48.59ms. Allocated memory is still 245.4MB. Free memory was 179.9MB in the beginning and 177.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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 - CounterExampleResult [Line: 1007]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L996] SLL* head = malloc(sizeof(SLL)); [L997] head->next = ((void*)0) [L998] COND TRUE __VERIFIER_nondet_int() [L998] head->data = 2 [L998] head->opt = malloc(sizeof(SLL)) [L998] EXPR head->opt [L998] head->opt->next = ((void*)0) [L999] SLL* x = head; VAL [head={-1:0}, x={-1:0}] [L1001] COND FALSE !(__VERIFIER_nondet_int()) [L1004] x = head VAL [head={-1:0}, x={-1:0}] [L1005] COND TRUE x != ((void*)0) VAL [head={-1:0}, x={-1:0}] [L1007] EXPR x->data [L1007] EXPR x->data == 2 && x->opt == x VAL [head={-1:0}, x={-1:0}] [L1007] EXPR x->data == 2 && x->opt == x [L1007] EXPR x->opt [L1007] EXPR x->data == 2 && x->opt == x VAL [head={-1:0}, x={-1:0}] [L1007] COND TRUE !(x->data == 2 && x->opt == x) [L1007] reach_error() VAL [head={-1:0}, x={-1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 29 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 29 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-10-12 18:21:31,985 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE