./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 64bit --witnessprinter.graph.data.programhash 8d05a766c76ac0298c0a80f704d02f1cc9846c5882f0c27837b6bbd7c98f7d2d --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 09:04:16,584 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 09:04:16,639 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 09:04:16,642 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 09:04:16,643 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 09:04:16,662 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 09:04:16,663 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 09:04:16,663 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 09:04:16,663 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 09:04:16,663 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 09:04:16,663 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 09:04:16,663 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 09:04:16,663 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 09:04:16,663 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 09:04:16,663 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 09:04:16,664 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 09:04:16,664 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 09:04:16,665 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 09:04:16,665 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 09:04:16,665 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 09:04:16,665 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 09:04:16,665 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 09:04:16,666 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 09:04:16,666 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 09:04:16,666 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 09:04:16,666 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 09:04:16,666 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 09:04:16,666 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 09:04:16,666 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 09:04:16,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 09:04:16,667 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 09:04:16,667 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 09:04:16,667 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 09:04:16,667 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 09:04:16,667 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 09:04:16,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 09:04:16,667 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 09:04:16,667 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 09:04:16,667 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 09:04:16,667 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 09:04:16,668 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d05a766c76ac0298c0a80f704d02f1cc9846c5882f0c27837b6bbd7c98f7d2d [2025-03-08 09:04:16,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 09:04:16,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 09:04:16,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 09:04:16,941 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 09:04:16,941 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 09:04:16,944 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c [2025-03-08 09:04:18,059 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0eadfc616/99098253a76a4b3f984119e90b3039c0/FLAGaaeb253d6 [2025-03-08 09:04:18,347 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 09:04:18,348 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c [2025-03-08 09:04:18,361 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0eadfc616/99098253a76a4b3f984119e90b3039c0/FLAGaaeb253d6 [2025-03-08 09:04:18,379 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0eadfc616/99098253a76a4b3f984119e90b3039c0 [2025-03-08 09:04:18,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 09:04:18,384 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 09:04:18,385 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 09:04:18,385 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 09:04:18,388 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 09:04:18,390 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:04:18" (1/1) ... [2025-03-08 09:04:18,391 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25087f9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:18, skipping insertion in model container [2025-03-08 09:04:18,391 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:04:18" (1/1) ... [2025-03-08 09:04:18,408 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 09:04:18,511 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c[1244,1257] [2025-03-08 09:04:18,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 09:04:18,568 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 09:04:18,578 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c[1244,1257] [2025-03-08 09:04:18,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 09:04:18,615 INFO L204 MainTranslator]: Completed translation [2025-03-08 09:04:18,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:18 WrapperNode [2025-03-08 09:04:18,615 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 09:04:18,616 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 09:04:18,616 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 09:04:18,617 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 09:04:18,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:18" (1/1) ... [2025-03-08 09:04:18,632 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:18" (1/1) ... [2025-03-08 09:04:18,676 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 516 [2025-03-08 09:04:18,676 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 09:04:18,677 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 09:04:18,677 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 09:04:18,677 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 09:04:18,683 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:18" (1/1) ... [2025-03-08 09:04:18,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:18" (1/1) ... [2025-03-08 09:04:18,688 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:18" (1/1) ... [2025-03-08 09:04:18,710 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2025-03-08 09:04:18,710 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:18" (1/1) ... [2025-03-08 09:04:18,710 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:18" (1/1) ... [2025-03-08 09:04:18,719 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:18" (1/1) ... [2025-03-08 09:04:18,721 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:18" (1/1) ... [2025-03-08 09:04:18,723 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:18" (1/1) ... [2025-03-08 09:04:18,728 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:18" (1/1) ... [2025-03-08 09:04:18,732 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 09:04:18,736 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 09:04:18,736 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 09:04:18,736 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 09:04:18,737 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:18" (1/1) ... [2025-03-08 09:04:18,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 09:04:18,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 09:04:18,761 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) [2025-03-08 09:04:18,763 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 [2025-03-08 09:04:18,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 09:04:18,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 09:04:18,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 09:04:18,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 09:04:18,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 09:04:18,864 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 09:04:18,866 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 09:04:19,449 INFO L? ?]: Removed 210 outVars from TransFormulas that were not future-live. [2025-03-08 09:04:19,449 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 09:04:19,489 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 09:04:19,489 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 09:04:19,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:04:19 BoogieIcfgContainer [2025-03-08 09:04:19,490 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 09:04:19,492 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 09:04:19,492 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 09:04:19,495 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 09:04:19,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 09:04:18" (1/3) ... [2025-03-08 09:04:19,496 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ffbb828 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:04:19, skipping insertion in model container [2025-03-08 09:04:19,496 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:18" (2/3) ... [2025-03-08 09:04:19,496 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ffbb828 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:04:19, skipping insertion in model container [2025-03-08 09:04:19,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:04:19" (3/3) ... [2025-03-08 09:04:19,498 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul5.c [2025-03-08 09:04:19,511 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 09:04:19,514 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.mul5.c that has 1 procedures, 134 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 09:04:19,558 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 09:04:19,567 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;@38fa6f9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 09:04:19,567 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 09:04:19,572 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 132 states have (on average 1.4924242424242424) internal successors, (197), 133 states have internal predecessors, (197), 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) [2025-03-08 09:04:19,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-03-08 09:04:19,578 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 09:04:19,579 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 09:04:19,580 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 09:04:19,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 09:04:19,585 INFO L85 PathProgramCache]: Analyzing trace with hash 577566301, now seen corresponding path program 1 times [2025-03-08 09:04:19,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 09:04:19,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914712110] [2025-03-08 09:04:19,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 09:04:19,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 09:04:19,654 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-08 09:04:19,722 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-08 09:04:19,723 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 09:04:19,723 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 09:04:20,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 09:04:20,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 09:04:20,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914712110] [2025-03-08 09:04:20,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914712110] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 09:04:20,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 09:04:20,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 09:04:20,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126613697] [2025-03-08 09:04:20,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 09:04:20,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 09:04:20,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 09:04:20,147 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 09:04:20,147 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 09:04:20,149 INFO L87 Difference]: Start difference. First operand has 134 states, 132 states have (on average 1.4924242424242424) internal successors, (197), 133 states have internal predecessors, (197), 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 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2025-03-08 09:04:20,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 09:04:20,260 INFO L93 Difference]: Finished difference Result 225 states and 333 transitions. [2025-03-08 09:04:20,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-08 09:04:20,261 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 39 [2025-03-08 09:04:20,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 09:04:20,266 INFO L225 Difference]: With dead ends: 225 [2025-03-08 09:04:20,266 INFO L226 Difference]: Without dead ends: 133 [2025-03-08 09:04:20,268 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 09:04:20,270 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 0 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 09:04:20,270 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 475 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 09:04:20,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2025-03-08 09:04:20,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2025-03-08 09:04:20,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 132 states have (on average 1.4772727272727273) internal successors, (195), 132 states have internal predecessors, (195), 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) [2025-03-08 09:04:20,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 195 transitions. [2025-03-08 09:04:20,297 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 195 transitions. Word has length 39 [2025-03-08 09:04:20,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 09:04:20,297 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 195 transitions. [2025-03-08 09:04:20,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2025-03-08 09:04:20,298 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 195 transitions. [2025-03-08 09:04:20,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-03-08 09:04:20,298 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 09:04:20,298 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 09:04:20,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 09:04:20,299 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 09:04:20,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 09:04:20,299 INFO L85 PathProgramCache]: Analyzing trace with hash 729365390, now seen corresponding path program 1 times [2025-03-08 09:04:20,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 09:04:20,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877280457] [2025-03-08 09:04:20,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 09:04:20,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 09:04:20,318 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-08 09:04:20,341 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-08 09:04:20,341 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 09:04:20,341 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 09:04:20,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 09:04:20,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 09:04:20,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877280457] [2025-03-08 09:04:20,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877280457] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 09:04:20,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 09:04:20,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 09:04:20,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034511771] [2025-03-08 09:04:20,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 09:04:20,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 09:04:20,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 09:04:20,460 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 09:04:20,460 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 09:04:20,461 INFO L87 Difference]: Start difference. First operand 133 states and 195 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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) [2025-03-08 09:04:20,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 09:04:20,584 INFO L93 Difference]: Finished difference Result 226 states and 331 transitions. [2025-03-08 09:04:20,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-08 09:04:20,584 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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 40 [2025-03-08 09:04:20,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 09:04:20,586 INFO L225 Difference]: With dead ends: 226 [2025-03-08 09:04:20,586 INFO L226 Difference]: Without dead ends: 135 [2025-03-08 09:04:20,587 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 09:04:20,588 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 0 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 09:04:20,588 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 472 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 09:04:20,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2025-03-08 09:04:20,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2025-03-08 09:04:20,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 134 states have (on average 1.4701492537313432) internal successors, (197), 134 states have internal predecessors, (197), 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) [2025-03-08 09:04:20,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 197 transitions. [2025-03-08 09:04:20,598 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 197 transitions. Word has length 40 [2025-03-08 09:04:20,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 09:04:20,598 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 197 transitions. [2025-03-08 09:04:20,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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) [2025-03-08 09:04:20,598 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 197 transitions. [2025-03-08 09:04:20,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-03-08 09:04:20,600 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 09:04:20,600 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 09:04:20,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 09:04:20,600 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 09:04:20,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 09:04:20,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1227967368, now seen corresponding path program 1 times [2025-03-08 09:04:20,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 09:04:20,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084813498] [2025-03-08 09:04:20,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 09:04:20,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 09:04:20,618 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-03-08 09:04:20,642 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-03-08 09:04:20,643 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 09:04:20,643 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 09:04:20,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 09:04:20,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 09:04:20,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084813498] [2025-03-08 09:04:20,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084813498] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 09:04:20,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 09:04:20,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 09:04:20,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550460067] [2025-03-08 09:04:20,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 09:04:20,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 09:04:20,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 09:04:20,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 09:04:20,874 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 09:04:20,875 INFO L87 Difference]: Start difference. First operand 135 states and 197 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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) [2025-03-08 09:04:20,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 09:04:20,996 INFO L93 Difference]: Finished difference Result 265 states and 383 transitions. [2025-03-08 09:04:20,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 09:04:20,997 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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 41 [2025-03-08 09:04:20,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 09:04:20,999 INFO L225 Difference]: With dead ends: 265 [2025-03-08 09:04:20,999 INFO L226 Difference]: Without dead ends: 172 [2025-03-08 09:04:20,999 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-08 09:04:21,000 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 79 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 09:04:21,000 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 572 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 09:04:21,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2025-03-08 09:04:21,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 153. [2025-03-08 09:04:21,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 152 states have (on average 1.4671052631578947) internal successors, (223), 152 states have internal predecessors, (223), 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) [2025-03-08 09:04:21,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 223 transitions. [2025-03-08 09:04:21,010 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 223 transitions. Word has length 41 [2025-03-08 09:04:21,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 09:04:21,010 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 223 transitions. [2025-03-08 09:04:21,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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) [2025-03-08 09:04:21,011 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 223 transitions. [2025-03-08 09:04:21,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-03-08 09:04:21,012 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 09:04:21,012 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 09:04:21,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 09:04:21,013 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 09:04:21,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 09:04:21,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1818887437, now seen corresponding path program 1 times [2025-03-08 09:04:21,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 09:04:21,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088804182] [2025-03-08 09:04:21,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 09:04:21,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 09:04:21,025 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-08 09:04:21,048 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-08 09:04:21,051 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 09:04:21,051 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 09:04:21,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 09:04:21,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 09:04:21,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088804182] [2025-03-08 09:04:21,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088804182] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 09:04:21,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 09:04:21,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-08 09:04:21,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785708932] [2025-03-08 09:04:21,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 09:04:21,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-08 09:04:21,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 09:04:21,307 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-08 09:04:21,307 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-08 09:04:21,307 INFO L87 Difference]: Start difference. First operand 153 states and 223 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 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) [2025-03-08 09:04:21,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 09:04:21,484 INFO L93 Difference]: Finished difference Result 267 states and 385 transitions. [2025-03-08 09:04:21,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-08 09:04:21,485 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 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 42 [2025-03-08 09:04:21,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 09:04:21,486 INFO L225 Difference]: With dead ends: 267 [2025-03-08 09:04:21,488 INFO L226 Difference]: Without dead ends: 174 [2025-03-08 09:04:21,488 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-03-08 09:04:21,489 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 80 mSDsluCounter, 717 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 872 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 09:04:21,489 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 872 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 09:04:21,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2025-03-08 09:04:21,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 156. [2025-03-08 09:04:21,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 155 states have (on average 1.4645161290322581) internal successors, (227), 155 states have internal predecessors, (227), 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) [2025-03-08 09:04:21,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 227 transitions. [2025-03-08 09:04:21,500 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 227 transitions. Word has length 42 [2025-03-08 09:04:21,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 09:04:21,500 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 227 transitions. [2025-03-08 09:04:21,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 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) [2025-03-08 09:04:21,500 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 227 transitions. [2025-03-08 09:04:21,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-03-08 09:04:21,503 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 09:04:21,503 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 09:04:21,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 09:04:21,503 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 09:04:21,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 09:04:21,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1055923957, now seen corresponding path program 1 times [2025-03-08 09:04:21,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 09:04:21,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469980656] [2025-03-08 09:04:21,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 09:04:21,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 09:04:21,518 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-08 09:04:21,540 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-08 09:04:21,545 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 09:04:21,545 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 09:04:21,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 09:04:21,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 09:04:21,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469980656] [2025-03-08 09:04:21,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469980656] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 09:04:21,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 09:04:21,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-08 09:04:21,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479942059] [2025-03-08 09:04:21,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 09:04:21,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-08 09:04:21,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 09:04:21,917 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-08 09:04:21,917 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-08 09:04:21,917 INFO L87 Difference]: Start difference. First operand 156 states and 227 transitions. Second operand has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 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) [2025-03-08 09:04:22,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 09:04:22,151 INFO L93 Difference]: Finished difference Result 267 states and 384 transitions. [2025-03-08 09:04:22,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-08 09:04:22,152 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 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 43 [2025-03-08 09:04:22,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 09:04:22,153 INFO L225 Difference]: With dead ends: 267 [2025-03-08 09:04:22,153 INFO L226 Difference]: Without dead ends: 174 [2025-03-08 09:04:22,153 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-03-08 09:04:22,154 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 80 mSDsluCounter, 853 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 1005 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-08 09:04:22,154 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 1005 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-08 09:04:22,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2025-03-08 09:04:22,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 160. [2025-03-08 09:04:22,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 159 states have (on average 1.4591194968553458) internal successors, (232), 159 states have internal predecessors, (232), 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) [2025-03-08 09:04:22,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 232 transitions. [2025-03-08 09:04:22,160 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 232 transitions. Word has length 43 [2025-03-08 09:04:22,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 09:04:22,160 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 232 transitions. [2025-03-08 09:04:22,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 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) [2025-03-08 09:04:22,160 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 232 transitions. [2025-03-08 09:04:22,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-03-08 09:04:22,161 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 09:04:22,161 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 09:04:22,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-08 09:04:22,162 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 09:04:22,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 09:04:22,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1391436690, now seen corresponding path program 1 times [2025-03-08 09:04:22,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 09:04:22,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616915850] [2025-03-08 09:04:22,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 09:04:22,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 09:04:22,176 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-08 09:04:22,196 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-08 09:04:22,198 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 09:04:22,198 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 09:04:22,198 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-08 09:04:22,207 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-08 09:04:22,225 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-08 09:04:22,226 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 09:04:22,227 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 09:04:22,251 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-08 09:04:22,252 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-08 09:04:22,252 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 09:04:22,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 09:04:22,260 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-03-08 09:04:22,287 WARN L310 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2025-03-08 09:04:22,299 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 09:04:22,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 09:04:22 BoogieIcfgContainer [2025-03-08 09:04:22,302 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 09:04:22,303 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 09:04:22,303 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 09:04:22,303 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 09:04:22,303 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:04:19" (3/4) ... [2025-03-08 09:04:22,305 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-03-08 09:04:22,306 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 09:04:22,308 INFO L158 Benchmark]: Toolchain (without parser) took 3923.09ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 103.8MB in the beginning and 200.1MB in the end (delta: -96.4MB). Peak memory consumption was 88.0MB. Max. memory is 16.1GB. [2025-03-08 09:04:22,308 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 201.3MB. Free memory is still 126.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 09:04:22,308 INFO L158 Benchmark]: CACSL2BoogieTranslator took 230.88ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 87.4MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 09:04:22,309 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.99ms. Allocated memory is still 142.6MB. Free memory was 87.4MB in the beginning and 80.1MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 09:04:22,309 INFO L158 Benchmark]: Boogie Preprocessor took 58.73ms. Allocated memory is still 142.6MB. Free memory was 80.1MB in the beginning and 75.7MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-08 09:04:22,309 INFO L158 Benchmark]: IcfgBuilder took 753.88ms. Allocated memory is still 142.6MB. Free memory was 75.7MB in the beginning and 85.1MB in the end (delta: -9.4MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2025-03-08 09:04:22,309 INFO L158 Benchmark]: TraceAbstraction took 2810.25ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 84.3MB in the beginning and 200.2MB in the end (delta: -115.9MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. [2025-03-08 09:04:22,309 INFO L158 Benchmark]: Witness Printer took 3.13ms. Allocated memory is still 327.2MB. Free memory was 200.2MB in the beginning and 200.1MB in the end (delta: 66.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 09:04:22,310 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 201.3MB. Free memory is still 126.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 230.88ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 87.4MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.99ms. Allocated memory is still 142.6MB. Free memory was 87.4MB in the beginning and 80.1MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.73ms. Allocated memory is still 142.6MB. Free memory was 80.1MB in the beginning and 75.7MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 753.88ms. Allocated memory is still 142.6MB. Free memory was 75.7MB in the beginning and 85.1MB in the end (delta: -9.4MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2810.25ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 84.3MB in the beginning and 200.2MB in the end (delta: -115.9MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. * Witness Printer took 3.13ms. Allocated memory is still 327.2MB. Free memory was 200.2MB in the beginning and 200.1MB in the end (delta: 66.1kB). There was no memory consumed. 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 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 107, overapproximation of bitwiseAnd at line 112. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 32); [L30] const SORT_5 msb_SORT_5 = (SORT_5)1 << (32 - 1); [L32] const SORT_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 10); [L33] const SORT_8 msb_SORT_8 = (SORT_8)1 << (10 - 1); [L35] const SORT_14 mask_SORT_14 = (SORT_14)-1 >> (sizeof(SORT_14) * 8 - 64); [L36] const SORT_14 msb_SORT_14 = (SORT_14)1 << (64 - 1); [L38] const SORT_1 var_10 = 0; [L39] const SORT_14 var_15 = 0; [L40] const SORT_1 var_24 = 1; [L41] const SORT_5 var_28 = 0; [L42] const SORT_8 var_35 = 0; [L43] const SORT_5 var_57 = 1; [L44] const SORT_5 var_61 = 1000; [L45] const SORT_5 var_63 = 3735928559; [L46] const SORT_5 var_66 = 12245771; [L48] SORT_1 input_2; [L49] SORT_1 input_3; [L50] SORT_1 input_4; [L51] SORT_5 input_6; [L52] SORT_5 input_7; [L53] SORT_8 input_9; [L55] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_14=-1, mask_SORT_1=1, mask_SORT_5=-1, mask_SORT_8=1023, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L55] SORT_1 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L56] EXPR __VERIFIER_nondet_ulong() & mask_SORT_14 VAL [mask_SORT_14=-1, mask_SORT_1=1, mask_SORT_5=-1, mask_SORT_8=1023, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L56] SORT_14 state_16 = __VERIFIER_nondet_ulong() & mask_SORT_14; [L57] EXPR __VERIFIER_nondet_ulong() & mask_SORT_14 VAL [mask_SORT_14=-1, mask_SORT_1=1, mask_SORT_5=-1, mask_SORT_8=1023, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L57] SORT_14 state_18 = __VERIFIER_nondet_ulong() & mask_SORT_14; [L58] EXPR __VERIFIER_nondet_uint() & mask_SORT_5 VAL [mask_SORT_14=-1, mask_SORT_1=1, mask_SORT_5=-1, mask_SORT_8=1023, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L58] SORT_5 state_29 = __VERIFIER_nondet_uint() & mask_SORT_5; [L59] EXPR __VERIFIER_nondet_uint() & mask_SORT_5 VAL [mask_SORT_14=-1, mask_SORT_1=1, mask_SORT_5=-1, mask_SORT_8=1023, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L59] SORT_5 state_31 = __VERIFIER_nondet_uint() & mask_SORT_5; [L60] EXPR __VERIFIER_nondet_ushort() & mask_SORT_8 VAL [mask_SORT_14=-1, mask_SORT_1=1, mask_SORT_5=-1, mask_SORT_8=1023, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L60] SORT_8 state_36 = __VERIFIER_nondet_ushort() & mask_SORT_8; [L61] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_14=-1, mask_SORT_1=1, mask_SORT_5=-1, mask_SORT_8=1023, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L61] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L62] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_14=-1, mask_SORT_1=1, mask_SORT_5=-1, mask_SORT_8=1023, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L62] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L63] EXPR __VERIFIER_nondet_uint() & mask_SORT_5 VAL [mask_SORT_14=-1, mask_SORT_1=1, mask_SORT_5=-1, mask_SORT_8=1023, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L63] SORT_5 state_42 = __VERIFIER_nondet_uint() & mask_SORT_5; [L64] EXPR __VERIFIER_nondet_uint() & mask_SORT_5 VAL [mask_SORT_14=-1, mask_SORT_1=1, mask_SORT_5=-1, mask_SORT_8=1023, var_10=0, var_15=0, var_24=1, var_28=0, var_35=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L64] SORT_5 state_44 = __VERIFIER_nondet_uint() & mask_SORT_5; [L66] SORT_1 init_12_arg_1 = var_10; [L67] state_11 = init_12_arg_1 [L68] SORT_14 init_17_arg_1 = var_15; [L69] state_16 = init_17_arg_1 [L70] SORT_14 init_19_arg_1 = var_15; [L71] state_18 = init_19_arg_1 [L72] SORT_5 init_30_arg_1 = var_28; [L73] state_29 = init_30_arg_1 [L74] SORT_5 init_32_arg_1 = var_28; [L75] state_31 = init_32_arg_1 [L76] SORT_8 init_37_arg_1 = var_35; [L77] state_36 = init_37_arg_1 [L78] SORT_1 init_39_arg_1 = var_24; [L79] state_38 = init_39_arg_1 [L80] SORT_1 init_41_arg_1 = var_24; [L81] state_40 = init_41_arg_1 [L82] SORT_5 init_43_arg_1 = var_28; [L83] state_42 = init_43_arg_1 [L84] SORT_5 init_45_arg_1 = var_28; [L85] state_44 = init_45_arg_1 VAL [mask_SORT_14=-1, mask_SORT_1=1, mask_SORT_5=-1, mask_SORT_8=1023, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_15=0, var_24=1, var_28=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L88] input_2 = __VERIFIER_nondet_uchar() [L89] input_3 = __VERIFIER_nondet_uchar() [L90] EXPR input_3 & mask_SORT_1 VAL [mask_SORT_14=-1, mask_SORT_1=1, mask_SORT_5=-1, mask_SORT_8=1023, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_15=0, var_24=1, var_28=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L90] input_3 = input_3 & mask_SORT_1 [L91] input_4 = __VERIFIER_nondet_uchar() [L92] EXPR input_4 & mask_SORT_1 VAL [input_3=0, mask_SORT_14=-1, mask_SORT_1=1, mask_SORT_5=-1, mask_SORT_8=1023, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_15=0, var_24=1, var_28=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L92] input_4 = input_4 & mask_SORT_1 [L93] input_6 = __VERIFIER_nondet_uint() [L94] EXPR input_6 & mask_SORT_5 VAL [input_3=0, input_4=0, mask_SORT_14=-1, mask_SORT_1=1, mask_SORT_5=-1, mask_SORT_8=1023, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_15=0, var_24=1, var_28=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L94] input_6 = input_6 & mask_SORT_5 [L95] input_7 = __VERIFIER_nondet_uint() [L96] EXPR input_7 & mask_SORT_5 VAL [input_3=0, input_4=0, input_6=0, mask_SORT_14=-1, mask_SORT_1=1, mask_SORT_5=-1, mask_SORT_8=1023, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_15=0, var_24=1, var_28=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L96] input_7 = input_7 & mask_SORT_5 [L97] input_9 = __VERIFIER_nondet_ushort() [L100] SORT_1 var_13_arg_0 = state_11; [L101] SORT_1 var_13 = ~var_13_arg_0; [L102] SORT_14 var_20_arg_0 = state_16; [L103] SORT_14 var_20_arg_1 = state_18; [L104] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L105] SORT_1 var_21_arg_0 = var_13; [L106] SORT_1 var_21_arg_1 = var_20; VAL [input_3=0, input_4=0, input_6=0, input_7=0, mask_SORT_14=-1, mask_SORT_1=1, mask_SORT_5=-1, mask_SORT_8=1023, state_11=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_15=0, var_21_arg_0=-1, var_21_arg_1=1, var_24=1, var_28=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L107] EXPR var_21_arg_0 | var_21_arg_1 VAL [input_3=0, input_4=0, input_6=0, input_7=0, mask_SORT_14=-1, mask_SORT_1=1, mask_SORT_5=-1, mask_SORT_8=1023, state_11=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_15=0, var_24=1, var_28=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L107] SORT_1 var_21 = var_21_arg_0 | var_21_arg_1; [L108] SORT_1 var_25_arg_0 = var_21; [L109] SORT_1 var_25 = ~var_25_arg_0; [L110] SORT_1 var_26_arg_0 = var_24; [L111] SORT_1 var_26_arg_1 = var_25; VAL [input_3=0, input_4=0, input_6=0, input_7=0, mask_SORT_14=-1, mask_SORT_1=1, mask_SORT_5=-1, mask_SORT_8=1023, state_11=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_15=0, var_24=1, var_26_arg_0=1, var_26_arg_1=-1, var_28=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L112] EXPR var_26_arg_0 & var_26_arg_1 VAL [input_3=0, input_4=0, input_6=0, input_7=0, mask_SORT_14=-1, mask_SORT_1=1, mask_SORT_5=-1, mask_SORT_8=1023, state_11=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_15=0, var_24=1, var_28=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L112] SORT_1 var_26 = var_26_arg_0 & var_26_arg_1; [L113] EXPR var_26 & mask_SORT_1 VAL [input_3=0, input_4=0, input_6=0, input_7=0, mask_SORT_14=-1, mask_SORT_1=1, mask_SORT_5=-1, mask_SORT_8=1023, state_11=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_15=0, var_24=1, var_28=0, var_57=1, var_61=1000, var_63=3735928559, var_66=12245771] [L113] var_26 = var_26 & mask_SORT_1 [L114] SORT_1 bad_27_arg_0 = var_26; [L115] CALL __VERIFIER_assert(!(bad_27_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 134 locations, 197 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 239 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 239 mSDsluCounter, 3396 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2613 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 859 IncrementalHoareTripleChecker+Invalid, 860 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 783 mSDtfsCounter, 859 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=160occurred in iteration=5, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 51 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 249 NumberOfCodeBlocks, 249 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 200 ConstructedInterpolants, 0 QuantifiedInterpolants, 613 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-03-08 09:04:22,332 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.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 64bit --witnessprinter.graph.data.programhash 8d05a766c76ac0298c0a80f704d02f1cc9846c5882f0c27837b6bbd7c98f7d2d --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 09:04:24,199 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 09:04:24,275 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2025-03-08 09:04:24,280 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 09:04:24,283 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 09:04:24,300 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 09:04:24,301 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 09:04:24,301 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 09:04:24,301 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 09:04:24,301 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 09:04:24,301 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 09:04:24,301 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 09:04:24,301 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 09:04:24,302 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 09:04:24,302 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 09:04:24,303 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 09:04:24,303 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 09:04:24,303 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 09:04:24,303 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 09:04:24,303 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 09:04:24,303 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 09:04:24,303 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-03-08 09:04:24,303 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-03-08 09:04:24,303 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-03-08 09:04:24,303 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 09:04:24,303 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 09:04:24,304 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 09:04:24,304 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 09:04:24,304 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 09:04:24,304 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 09:04:24,304 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 09:04:24,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 09:04:24,304 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 09:04:24,305 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 09:04:24,305 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 09:04:24,305 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 09:04:24,305 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-03-08 09:04:24,305 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-03-08 09:04:24,305 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 09:04:24,305 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 09:04:24,306 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 09:04:24,306 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 09:04:24,306 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d05a766c76ac0298c0a80f704d02f1cc9846c5882f0c27837b6bbd7c98f7d2d [2025-03-08 09:04:24,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 09:04:24,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 09:04:24,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 09:04:24,540 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 09:04:24,540 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 09:04:24,541 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c [2025-03-08 09:04:25,703 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fecd6963/568f823b01d245c1acfbafda12a7f50c/FLAG3d6e5cb74 [2025-03-08 09:04:25,917 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 09:04:25,918 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c [2025-03-08 09:04:25,927 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fecd6963/568f823b01d245c1acfbafda12a7f50c/FLAG3d6e5cb74 [2025-03-08 09:04:25,942 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fecd6963/568f823b01d245c1acfbafda12a7f50c [2025-03-08 09:04:25,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 09:04:25,946 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 09:04:25,947 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 09:04:25,947 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 09:04:25,950 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 09:04:25,951 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:04:25" (1/1) ... [2025-03-08 09:04:25,952 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25312a97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:25, skipping insertion in model container [2025-03-08 09:04:25,952 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 09:04:25" (1/1) ... [2025-03-08 09:04:25,972 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 09:04:26,072 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c[1244,1257] [2025-03-08 09:04:26,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 09:04:26,147 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 09:04:26,155 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul5.c[1244,1257] [2025-03-08 09:04:26,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 09:04:26,212 INFO L204 MainTranslator]: Completed translation [2025-03-08 09:04:26,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:26 WrapperNode [2025-03-08 09:04:26,213 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 09:04:26,214 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 09:04:26,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 09:04:26,214 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 09:04:26,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:26" (1/1) ... [2025-03-08 09:04:26,226 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:26" (1/1) ... [2025-03-08 09:04:26,255 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 268 [2025-03-08 09:04:26,256 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 09:04:26,256 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 09:04:26,256 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 09:04:26,256 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 09:04:26,263 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:26" (1/1) ... [2025-03-08 09:04:26,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:26" (1/1) ... [2025-03-08 09:04:26,271 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:26" (1/1) ... [2025-03-08 09:04:26,289 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2025-03-08 09:04:26,291 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:26" (1/1) ... [2025-03-08 09:04:26,292 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:26" (1/1) ... [2025-03-08 09:04:26,301 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:26" (1/1) ... [2025-03-08 09:04:26,302 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:26" (1/1) ... [2025-03-08 09:04:26,308 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:26" (1/1) ... [2025-03-08 09:04:26,312 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:26" (1/1) ... [2025-03-08 09:04:26,314 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 09:04:26,316 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 09:04:26,317 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 09:04:26,317 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 09:04:26,317 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:26" (1/1) ... [2025-03-08 09:04:26,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 09:04:26,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 09:04:26,339 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) [2025-03-08 09:04:26,341 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 [2025-03-08 09:04:26,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 09:04:26,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-03-08 09:04:26,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-03-08 09:04:26,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 09:04:26,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 09:04:26,440 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 09:04:26,441 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 09:04:26,707 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2025-03-08 09:04:26,707 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 09:04:26,714 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 09:04:26,715 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 09:04:26,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:04:26 BoogieIcfgContainer [2025-03-08 09:04:26,715 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 09:04:26,717 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 09:04:26,717 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 09:04:26,721 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 09:04:26,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 09:04:25" (1/3) ... [2025-03-08 09:04:26,722 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16e70590 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:04:26, skipping insertion in model container [2025-03-08 09:04:26,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 09:04:26" (2/3) ... [2025-03-08 09:04:26,722 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16e70590 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 09:04:26, skipping insertion in model container [2025-03-08 09:04:26,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:04:26" (3/3) ... [2025-03-08 09:04:26,724 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul5.c [2025-03-08 09:04:26,734 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 09:04:26,735 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.mul5.c that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 09:04:26,769 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 09:04:26,778 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;@59bb5706, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 09:04:26,780 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 09:04:26,783 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) [2025-03-08 09:04:26,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-08 09:04:26,787 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 09:04:26,788 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-08 09:04:26,788 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 09:04:26,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 09:04:26,793 INFO L85 PathProgramCache]: Analyzing trace with hash 38140359, now seen corresponding path program 1 times [2025-03-08 09:04:26,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 09:04:26,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2042550967] [2025-03-08 09:04:26,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 09:04:26,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 09:04:26,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 09:04:26,806 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 09:04:26,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 09:04:26,913 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-08 09:04:26,936 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-08 09:04:26,936 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 09:04:26,936 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 09:04:26,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-08 09:04:26,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 09:04:27,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 09:04:27,059 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 09:04:27,060 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 09:04:27,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042550967] [2025-03-08 09:04:27,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2042550967] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 09:04:27,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 09:04:27,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 09:04:27,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128714370] [2025-03-08 09:04:27,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 09:04:27,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 09:04:27,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 09:04:27,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 09:04:27,077 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 09:04:27,078 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 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2025-03-08 09:04:27,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 09:04:27,211 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2025-03-08 09:04:27,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-08 09:04:27,213 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 [2025-03-08 09:04:27,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 09:04:27,217 INFO L225 Difference]: With dead ends: 18 [2025-03-08 09:04:27,217 INFO L226 Difference]: Without dead ends: 10 [2025-03-08 09:04:27,218 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-08 09:04:27,220 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 09:04:27,220 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 09:04:27,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2025-03-08 09:04:27,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2025-03-08 09:04:27,234 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) [2025-03-08 09:04:27,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2025-03-08 09:04:27,237 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2025-03-08 09:04:27,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 09:04:27,237 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2025-03-08 09:04:27,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2025-03-08 09:04:27,238 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2025-03-08 09:04:27,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-08 09:04:27,238 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 09:04:27,238 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2025-03-08 09:04:27,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-08 09:04:27,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 09:04:27,442 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 09:04:27,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 09:04:27,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1926026653, now seen corresponding path program 1 times [2025-03-08 09:04:27,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 09:04:27,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [133631474] [2025-03-08 09:04:27,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 09:04:27,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 09:04:27,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 09:04:27,445 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 09:04:27,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-08 09:04:27,514 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-08 09:04:27,559 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-08 09:04:27,559 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 09:04:27,559 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 09:04:27,572 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-03-08 09:04:27,577 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 09:04:28,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 09:04:28,022 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 09:04:35,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 09:04:35,858 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2025-03-08 09:04:35,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [133631474] [2025-03-08 09:04:35,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [133631474] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-08 09:04:35,858 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-08 09:04:35,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2025-03-08 09:04:35,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659080611] [2025-03-08 09:04:35,858 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-08 09:04:35,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-08 09:04:35,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2025-03-08 09:04:35,860 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-08 09:04:35,861 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2025-03-08 09:04:35,861 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 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) [2025-03-08 09:04:36,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 09:04:36,339 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2025-03-08 09:04:36,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-08 09:04:36,339 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 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 [2025-03-08 09:04:36,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 09:04:36,340 INFO L225 Difference]: With dead ends: 14 [2025-03-08 09:04:36,340 INFO L226 Difference]: Without dead ends: 12 [2025-03-08 09:04:36,340 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2025-03-08 09:04:36,340 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-08 09:04:36,340 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-08 09:04:36,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2025-03-08 09:04:36,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2025-03-08 09:04:36,342 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) [2025-03-08 09:04:36,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2025-03-08 09:04:36,342 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2025-03-08 09:04:36,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 09:04:36,344 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2025-03-08 09:04:36,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 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) [2025-03-08 09:04:36,344 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2025-03-08 09:04:36,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-03-08 09:04:36,345 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 09:04:36,345 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2025-03-08 09:04:36,353 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-08 09:04:36,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 09:04:36,545 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 09:04:36,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 09:04:36,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1791040441, now seen corresponding path program 2 times [2025-03-08 09:04:36,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2025-03-08 09:04:36,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1863176817] [2025-03-08 09:04:36,546 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-08 09:04:36,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 09:04:36,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 09:04:36,548 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 09:04:36,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-08 09:04:36,620 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 11 statements into 2 equivalence classes. [2025-03-08 09:04:36,703 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 11 of 11 statements. [2025-03-08 09:04:36,703 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-08 09:04:36,703 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 09:04:36,703 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-08 09:04:36,751 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-08 09:04:36,808 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-08 09:04:36,809 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 09:04:36,809 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-08 09:04:36,875 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2025-03-08 09:04:36,875 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-08 09:04:36,876 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-03-08 09:04:36,894 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-08 09:04:37,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 09:04:37,080 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1] [2025-03-08 09:04:37,099 WARN L310 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2025-03-08 09:04:37,100 WARN L310 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2025-03-08 09:04:37,100 WARN L310 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2025-03-08 09:04:37,111 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-08 09:04:37,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.03 09:04:37 BoogieIcfgContainer [2025-03-08 09:04:37,114 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-08 09:04:37,114 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-08 09:04:37,114 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-08 09:04:37,114 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-08 09:04:37,115 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 09:04:26" (3/4) ... [2025-03-08 09:04:37,115 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-03-08 09:04:37,123 WARN L310 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2025-03-08 09:04:37,127 WARN L310 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2025-03-08 09:04:37,128 WARN L310 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2025-03-08 09:04:37,179 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 9. [2025-03-08 09:04:37,225 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-08 09:04:37,226 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-08 09:04:37,226 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-08 09:04:37,227 INFO L158 Benchmark]: Toolchain (without parser) took 11281.23ms. Allocated memory was 117.4MB in the beginning and 385.9MB in the end (delta: 268.4MB). Free memory was 92.1MB in the beginning and 353.0MB in the end (delta: -260.9MB). Peak memory consumption was 226.4MB. Max. memory is 16.1GB. [2025-03-08 09:04:37,227 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory is still 61.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 09:04:37,229 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.39ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 75.6MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-08 09:04:37,230 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.86ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 73.2MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 09:04:37,230 INFO L158 Benchmark]: Boogie Preprocessor took 58.19ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 70.8MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-08 09:04:37,230 INFO L158 Benchmark]: IcfgBuilder took 398.62ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 44.9MB in the end (delta: 25.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-03-08 09:04:37,230 INFO L158 Benchmark]: TraceAbstraction took 10396.80ms. Allocated memory was 117.4MB in the beginning and 385.9MB in the end (delta: 268.4MB). Free memory was 44.2MB in the beginning and 148.4MB in the end (delta: -104.2MB). Peak memory consumption was 157.0MB. Max. memory is 16.1GB. [2025-03-08 09:04:37,231 INFO L158 Benchmark]: Witness Printer took 112.28ms. Allocated memory is still 385.9MB. Free memory was 148.4MB in the beginning and 353.0MB in the end (delta: -204.6MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2025-03-08 09:04:37,232 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory is still 61.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.39ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 75.6MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.86ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 73.2MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 58.19ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 70.8MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 398.62ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 44.9MB in the end (delta: 25.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 10396.80ms. Allocated memory was 117.4MB in the beginning and 385.9MB in the end (delta: 268.4MB). Free memory was 44.2MB in the beginning and 148.4MB in the end (delta: -104.2MB). Peak memory consumption was 157.0MB. Max. memory is 16.1GB. * Witness Printer took 112.28ms. Allocated memory is still 385.9MB. Free memory was 148.4MB in the beginning and 353.0MB in the end (delta: -204.6MB). Peak memory consumption was 19.1MB. 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: 21]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 32); [L30] const SORT_5 msb_SORT_5 = (SORT_5)1 << (32 - 1); [L32] const SORT_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 10); [L33] const SORT_8 msb_SORT_8 = (SORT_8)1 << (10 - 1); [L35] const SORT_14 mask_SORT_14 = (SORT_14)-1 >> (sizeof(SORT_14) * 8 - 64); [L36] const SORT_14 msb_SORT_14 = (SORT_14)1 << (64 - 1); [L38] const SORT_1 var_10 = 0; [L39] const SORT_14 var_15 = 0; [L40] const SORT_1 var_24 = 1; [L41] const SORT_5 var_28 = 0; [L42] const SORT_8 var_35 = 0; [L43] const SORT_5 var_57 = 1; [L44] const SORT_5 var_61 = 1000; [L45] const SORT_5 var_63 = 3735928559; [L46] const SORT_5 var_66 = 12245771; [L48] SORT_1 input_2; [L49] SORT_1 input_3; [L50] SORT_1 input_4; [L51] SORT_5 input_6; [L52] SORT_5 input_7; [L53] SORT_8 input_9; [L55] SORT_1 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L56] SORT_14 state_16 = __VERIFIER_nondet_ulong() & mask_SORT_14; [L57] SORT_14 state_18 = __VERIFIER_nondet_ulong() & mask_SORT_14; [L58] SORT_5 state_29 = __VERIFIER_nondet_uint() & mask_SORT_5; [L59] SORT_5 state_31 = __VERIFIER_nondet_uint() & mask_SORT_5; [L60] SORT_8 state_36 = __VERIFIER_nondet_ushort() & mask_SORT_8; [L61] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L62] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L63] SORT_5 state_42 = __VERIFIER_nondet_uint() & mask_SORT_5; [L64] SORT_5 state_44 = __VERIFIER_nondet_uint() & mask_SORT_5; [L66] SORT_1 init_12_arg_1 = var_10; [L67] state_11 = init_12_arg_1 [L68] SORT_14 init_17_arg_1 = var_15; [L69] state_16 = init_17_arg_1 [L70] SORT_14 init_19_arg_1 = var_15; [L71] state_18 = init_19_arg_1 [L72] SORT_5 init_30_arg_1 = var_28; [L73] state_29 = init_30_arg_1 [L74] SORT_5 init_32_arg_1 = var_28; [L75] state_31 = init_32_arg_1 [L76] SORT_8 init_37_arg_1 = var_35; [L77] state_36 = init_37_arg_1 [L78] SORT_1 init_39_arg_1 = var_24; [L79] state_38 = init_39_arg_1 [L80] SORT_1 init_41_arg_1 = var_24; [L81] state_40 = init_41_arg_1 [L82] SORT_5 init_43_arg_1 = var_28; [L83] state_42 = init_43_arg_1 [L84] SORT_5 init_45_arg_1 = var_28; [L85] state_44 = init_45_arg_1 VAL [mask_SORT_14=-1, mask_SORT_1=1, mask_SORT_5=-1, mask_SORT_8=1023, state_11=0, state_16=0, state_18=0, state_29=0, state_31=0, state_36=0, state_38=1, state_40=1, state_42=0, state_44=0, var_15=0, var_24=1, var_28=0, var_57=1, var_61=1000, var_63=-559038737, var_66=12245771] [L88] input_2 = __VERIFIER_nondet_uchar() [L89] input_3 = __VERIFIER_nondet_uchar() [L90] input_3 = input_3 & mask_SORT_1 [L91] input_4 = __VERIFIER_nondet_uchar() [L92] input_4 = input_4 & mask_SORT_1 [L93] input_6 = __VERIFIER_nondet_uint() [L94] input_6 = input_6 & mask_SORT_5 [L95] input_7 = __VERIFIER_nondet_uint() [L96] input_7 = input_7 & mask_SORT_5 [L97] input_9 = __VERIFIER_nondet_ushort() [L100] SORT_1 var_13_arg_0 = state_11; [L101] SORT_1 var_13 = ~var_13_arg_0; [L102] SORT_14 var_20_arg_0 = state_16; [L103] SORT_14 var_20_arg_1 = state_18; [L104] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L105] SORT_1 var_21_arg_0 = var_13; [L106] SORT_1 var_21_arg_1 = var_20; [L107] SORT_1 var_21 = var_21_arg_0 | var_21_arg_1; [L108] SORT_1 var_25_arg_0 = var_21; [L109] SORT_1 var_25 = ~var_25_arg_0; [L110] SORT_1 var_26_arg_0 = var_24; [L111] SORT_1 var_26_arg_1 = var_25; [L112] SORT_1 var_26 = var_26_arg_0 & var_26_arg_1; [L113] var_26 = var_26 & mask_SORT_1 [L114] SORT_1 bad_27_arg_0 = var_26; [L115] CALL __VERIFIER_assert(!(bad_27_arg_0)) [L21] COND FALSE !(!(cond)) [L115] RET __VERIFIER_assert(!(bad_27_arg_0)) [L117] SORT_1 next_51_arg_1 = var_24; [L118] SORT_1 var_33_arg_0 = state_11; [L119] SORT_1 var_33 = ~var_33_arg_0; [L120] var_33 = var_33 & mask_SORT_1 [L121] SORT_5 var_52_arg_0 = state_29; [L122] var_52_arg_0 = var_52_arg_0 & mask_SORT_5 [L123] SORT_14 var_52 = var_52_arg_0; [L124] SORT_5 var_53_arg_0 = state_31; [L125] var_53_arg_0 = var_53_arg_0 & mask_SORT_5 [L126] SORT_14 var_53 = var_53_arg_0; [L127] SORT_14 var_54_arg_0 = var_52; [L128] SORT_14 var_54_arg_1 = var_53; [L129] SORT_14 var_54 = var_54_arg_0 * var_54_arg_1; [L130] SORT_1 var_55_arg_0 = var_33; [L131] SORT_14 var_55_arg_1 = var_15; [L132] SORT_14 var_55_arg_2 = var_54; [L133] SORT_14 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L134] var_55 = var_55 & mask_SORT_14 [L135] SORT_14 next_56_arg_1 = var_55; [L136] SORT_1 var_70_arg_0 = state_38; [L137] SORT_1 var_70_arg_1 = state_40; [L138] SORT_1 var_70 = var_70_arg_0 | var_70_arg_1; [L139] var_70 = var_70 & mask_SORT_1 [L140] SORT_8 var_60_arg_0 = state_36; [L141] var_60_arg_0 = var_60_arg_0 & mask_SORT_8 [L142] SORT_5 var_60 = var_60_arg_0; [L143] SORT_5 var_62_arg_0 = var_60; [L144] SORT_5 var_62_arg_1 = var_61; [L145] SORT_1 var_62 = var_62_arg_0 > var_62_arg_1; [L146] SORT_5 var_64_arg_0 = input_6; [L147] SORT_5 var_64_arg_1 = var_63; [L148] SORT_1 var_64 = var_64_arg_0 == var_64_arg_1; [L149] SORT_1 var_65_arg_0 = var_62; [L150] SORT_1 var_65_arg_1 = var_64; [L151] SORT_1 var_65 = var_65_arg_0 & var_65_arg_1; [L152] SORT_5 var_67_arg_0 = input_7; [L153] SORT_5 var_67_arg_1 = var_66; [L154] SORT_1 var_67 = var_67_arg_0 == var_67_arg_1; [L155] SORT_1 var_68_arg_0 = var_65; [L156] SORT_1 var_68_arg_1 = var_67; [L157] SORT_1 var_68 = var_68_arg_0 & var_68_arg_1; [L158] var_68 = var_68 & mask_SORT_1 [L159] SORT_5 var_46_arg_0 = state_42; [L160] var_46_arg_0 = var_46_arg_0 & mask_SORT_5 [L161] SORT_14 var_46 = var_46_arg_0; [L162] SORT_5 var_47_arg_0 = state_44; [L163] var_47_arg_0 = var_47_arg_0 & mask_SORT_5 [L164] SORT_14 var_47 = var_47_arg_0; [L165] SORT_14 var_48_arg_0 = var_46; [L166] SORT_14 var_48_arg_1 = var_47; [L167] SORT_14 var_48 = var_48_arg_0 * var_48_arg_1; [L168] SORT_5 var_58_arg_0 = var_57; [L169] var_58_arg_0 = var_58_arg_0 & mask_SORT_5 [L170] SORT_14 var_58 = var_58_arg_0; [L171] SORT_14 var_59_arg_0 = var_48; [L172] SORT_14 var_59_arg_1 = var_58; [L173] SORT_14 var_59 = var_59_arg_0 + var_59_arg_1; [L174] SORT_1 var_69_arg_0 = var_68; [L175] SORT_14 var_69_arg_1 = var_59; [L176] SORT_14 var_69_arg_2 = var_48; [L177] SORT_14 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L178] SORT_1 var_71_arg_0 = var_70; [L179] SORT_14 var_71_arg_1 = var_69; [L180] SORT_14 var_71_arg_2 = state_18; [L181] SORT_14 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L182] SORT_1 var_72_arg_0 = var_33; [L183] SORT_14 var_72_arg_1 = var_15; [L184] SORT_14 var_72_arg_2 = var_71; [L185] SORT_14 var_72 = var_72_arg_0 ? var_72_arg_1 : var_72_arg_2; [L186] var_72 = var_72 & mask_SORT_14 [L187] SORT_14 next_73_arg_1 = var_72; [L188] SORT_1 var_74_arg_0 = input_3; [L189] SORT_5 var_74_arg_1 = input_6; [L190] SORT_5 var_74_arg_2 = state_29; [L191] SORT_5 var_74 = var_74_arg_0 ? var_74_arg_1 : var_74_arg_2; [L192] SORT_1 var_75_arg_0 = var_33; [L193] SORT_5 var_75_arg_1 = var_28; [L194] SORT_5 var_75_arg_2 = var_74; [L195] SORT_5 var_75 = var_75_arg_0 ? var_75_arg_1 : var_75_arg_2; [L196] SORT_5 next_76_arg_1 = var_75; [L197] SORT_1 var_77_arg_0 = input_4; [L198] SORT_5 var_77_arg_1 = input_7; [L199] SORT_5 var_77_arg_2 = state_31; [L200] SORT_5 var_77 = var_77_arg_0 ? var_77_arg_1 : var_77_arg_2; [L201] SORT_1 var_78_arg_0 = var_33; [L202] SORT_5 var_78_arg_1 = var_28; [L203] SORT_5 var_78_arg_2 = var_77; [L204] SORT_5 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L205] SORT_5 next_79_arg_1 = var_78; [L206] SORT_1 var_80_arg_0 = var_33; [L207] SORT_8 var_80_arg_1 = input_9; [L208] SORT_8 var_80_arg_2 = state_36; [L209] SORT_8 var_80 = var_80_arg_0 ? var_80_arg_1 : var_80_arg_2; [L210] SORT_8 next_81_arg_1 = var_80; [L211] SORT_1 var_82_arg_0 = var_33; [L212] SORT_1 var_82_arg_1 = var_24; [L213] SORT_1 var_82_arg_2 = input_3; [L214] SORT_1 var_82 = var_82_arg_0 ? var_82_arg_1 : var_82_arg_2; [L215] SORT_1 next_83_arg_1 = var_82; [L216] SORT_1 var_84_arg_0 = var_33; [L217] SORT_1 var_84_arg_1 = var_24; [L218] SORT_1 var_84_arg_2 = input_4; [L219] SORT_1 var_84 = var_84_arg_0 ? var_84_arg_1 : var_84_arg_2; [L220] SORT_1 next_85_arg_1 = var_84; [L221] SORT_1 var_86_arg_0 = input_3; [L222] SORT_5 var_86_arg_1 = input_6; [L223] SORT_5 var_86_arg_2 = state_42; [L224] SORT_5 var_86 = var_86_arg_0 ? var_86_arg_1 : var_86_arg_2; [L225] SORT_1 var_87_arg_0 = var_33; [L226] SORT_5 var_87_arg_1 = var_28; [L227] SORT_5 var_87_arg_2 = var_86; [L228] SORT_5 var_87 = var_87_arg_0 ? var_87_arg_1 : var_87_arg_2; [L229] SORT_5 next_88_arg_1 = var_87; [L230] SORT_1 var_89_arg_0 = input_4; [L231] SORT_5 var_89_arg_1 = input_7; [L232] SORT_5 var_89_arg_2 = state_44; [L233] SORT_5 var_89 = var_89_arg_0 ? var_89_arg_1 : var_89_arg_2; [L234] SORT_1 var_90_arg_0 = var_33; [L235] SORT_5 var_90_arg_1 = var_28; [L236] SORT_5 var_90_arg_2 = var_89; [L237] SORT_5 var_90 = var_90_arg_0 ? var_90_arg_1 : var_90_arg_2; [L238] SORT_5 next_91_arg_1 = var_90; [L240] state_11 = next_51_arg_1 [L241] state_16 = next_56_arg_1 [L242] state_18 = next_73_arg_1 [L243] state_29 = next_76_arg_1 [L244] state_31 = next_79_arg_1 [L245] state_36 = next_81_arg_1 [L246] state_38 = next_83_arg_1 [L247] state_40 = next_85_arg_1 [L248] state_42 = next_88_arg_1 [L249] state_44 = next_91_arg_1 [L88] input_2 = __VERIFIER_nondet_uchar() [L89] input_3 = __VERIFIER_nondet_uchar() [L90] input_3 = input_3 & mask_SORT_1 [L91] input_4 = __VERIFIER_nondet_uchar() [L92] input_4 = input_4 & mask_SORT_1 [L93] input_6 = __VERIFIER_nondet_uint() [L94] input_6 = input_6 & mask_SORT_5 [L95] input_7 = __VERIFIER_nondet_uint() [L96] input_7 = input_7 & mask_SORT_5 [L97] input_9 = __VERIFIER_nondet_ushort() [L100] SORT_1 var_13_arg_0 = state_11; [L101] SORT_1 var_13 = ~var_13_arg_0; [L102] SORT_14 var_20_arg_0 = state_16; [L103] SORT_14 var_20_arg_1 = state_18; [L104] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L105] SORT_1 var_21_arg_0 = var_13; [L106] SORT_1 var_21_arg_1 = var_20; [L107] SORT_1 var_21 = var_21_arg_0 | var_21_arg_1; [L108] SORT_1 var_25_arg_0 = var_21; [L109] SORT_1 var_25 = ~var_25_arg_0; [L110] SORT_1 var_26_arg_0 = var_24; [L111] SORT_1 var_26_arg_1 = var_25; [L112] SORT_1 var_26 = var_26_arg_0 & var_26_arg_1; [L113] var_26 = var_26 & mask_SORT_1 [L114] SORT_1 bad_27_arg_0 = var_26; [L115] CALL __VERIFIER_assert(!(bad_27_arg_0)) [L21] COND FALSE !(!(cond)) [L115] RET __VERIFIER_assert(!(bad_27_arg_0)) [L117] SORT_1 next_51_arg_1 = var_24; [L118] SORT_1 var_33_arg_0 = state_11; [L119] SORT_1 var_33 = ~var_33_arg_0; [L120] var_33 = var_33 & mask_SORT_1 [L121] SORT_5 var_52_arg_0 = state_29; [L122] var_52_arg_0 = var_52_arg_0 & mask_SORT_5 [L123] SORT_14 var_52 = var_52_arg_0; [L124] SORT_5 var_53_arg_0 = state_31; [L125] var_53_arg_0 = var_53_arg_0 & mask_SORT_5 [L126] SORT_14 var_53 = var_53_arg_0; [L127] SORT_14 var_54_arg_0 = var_52; [L128] SORT_14 var_54_arg_1 = var_53; [L129] SORT_14 var_54 = var_54_arg_0 * var_54_arg_1; [L130] SORT_1 var_55_arg_0 = var_33; [L131] SORT_14 var_55_arg_1 = var_15; [L132] SORT_14 var_55_arg_2 = var_54; [L133] SORT_14 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L134] var_55 = var_55 & mask_SORT_14 [L135] SORT_14 next_56_arg_1 = var_55; [L136] SORT_1 var_70_arg_0 = state_38; [L137] SORT_1 var_70_arg_1 = state_40; [L138] SORT_1 var_70 = var_70_arg_0 | var_70_arg_1; [L139] var_70 = var_70 & mask_SORT_1 [L140] SORT_8 var_60_arg_0 = state_36; [L141] var_60_arg_0 = var_60_arg_0 & mask_SORT_8 [L142] SORT_5 var_60 = var_60_arg_0; [L143] SORT_5 var_62_arg_0 = var_60; [L144] SORT_5 var_62_arg_1 = var_61; [L145] SORT_1 var_62 = var_62_arg_0 > var_62_arg_1; [L146] SORT_5 var_64_arg_0 = input_6; [L147] SORT_5 var_64_arg_1 = var_63; [L148] SORT_1 var_64 = var_64_arg_0 == var_64_arg_1; [L149] SORT_1 var_65_arg_0 = var_62; [L150] SORT_1 var_65_arg_1 = var_64; [L151] SORT_1 var_65 = var_65_arg_0 & var_65_arg_1; [L152] SORT_5 var_67_arg_0 = input_7; [L153] SORT_5 var_67_arg_1 = var_66; [L154] SORT_1 var_67 = var_67_arg_0 == var_67_arg_1; [L155] SORT_1 var_68_arg_0 = var_65; [L156] SORT_1 var_68_arg_1 = var_67; [L157] SORT_1 var_68 = var_68_arg_0 & var_68_arg_1; [L158] var_68 = var_68 & mask_SORT_1 [L159] SORT_5 var_46_arg_0 = state_42; [L160] var_46_arg_0 = var_46_arg_0 & mask_SORT_5 [L161] SORT_14 var_46 = var_46_arg_0; [L162] SORT_5 var_47_arg_0 = state_44; [L163] var_47_arg_0 = var_47_arg_0 & mask_SORT_5 [L164] SORT_14 var_47 = var_47_arg_0; [L165] SORT_14 var_48_arg_0 = var_46; [L166] SORT_14 var_48_arg_1 = var_47; [L167] SORT_14 var_48 = var_48_arg_0 * var_48_arg_1; [L168] SORT_5 var_58_arg_0 = var_57; [L169] var_58_arg_0 = var_58_arg_0 & mask_SORT_5 [L170] SORT_14 var_58 = var_58_arg_0; [L171] SORT_14 var_59_arg_0 = var_48; [L172] SORT_14 var_59_arg_1 = var_58; [L173] SORT_14 var_59 = var_59_arg_0 + var_59_arg_1; [L174] SORT_1 var_69_arg_0 = var_68; [L175] SORT_14 var_69_arg_1 = var_59; [L176] SORT_14 var_69_arg_2 = var_48; [L177] SORT_14 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L178] SORT_1 var_71_arg_0 = var_70; [L179] SORT_14 var_71_arg_1 = var_69; [L180] SORT_14 var_71_arg_2 = state_18; [L181] SORT_14 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L182] SORT_1 var_72_arg_0 = var_33; [L183] SORT_14 var_72_arg_1 = var_15; [L184] SORT_14 var_72_arg_2 = var_71; [L185] SORT_14 var_72 = var_72_arg_0 ? var_72_arg_1 : var_72_arg_2; [L186] var_72 = var_72 & mask_SORT_14 [L187] SORT_14 next_73_arg_1 = var_72; [L188] SORT_1 var_74_arg_0 = input_3; [L189] SORT_5 var_74_arg_1 = input_6; [L190] SORT_5 var_74_arg_2 = state_29; [L191] SORT_5 var_74 = var_74_arg_0 ? var_74_arg_1 : var_74_arg_2; [L192] SORT_1 var_75_arg_0 = var_33; [L193] SORT_5 var_75_arg_1 = var_28; [L194] SORT_5 var_75_arg_2 = var_74; [L195] SORT_5 var_75 = var_75_arg_0 ? var_75_arg_1 : var_75_arg_2; [L196] SORT_5 next_76_arg_1 = var_75; [L197] SORT_1 var_77_arg_0 = input_4; [L198] SORT_5 var_77_arg_1 = input_7; [L199] SORT_5 var_77_arg_2 = state_31; [L200] SORT_5 var_77 = var_77_arg_0 ? var_77_arg_1 : var_77_arg_2; [L201] SORT_1 var_78_arg_0 = var_33; [L202] SORT_5 var_78_arg_1 = var_28; [L203] SORT_5 var_78_arg_2 = var_77; [L204] SORT_5 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L205] SORT_5 next_79_arg_1 = var_78; [L206] SORT_1 var_80_arg_0 = var_33; [L207] SORT_8 var_80_arg_1 = input_9; [L208] SORT_8 var_80_arg_2 = state_36; [L209] SORT_8 var_80 = var_80_arg_0 ? var_80_arg_1 : var_80_arg_2; [L210] SORT_8 next_81_arg_1 = var_80; [L211] SORT_1 var_82_arg_0 = var_33; [L212] SORT_1 var_82_arg_1 = var_24; [L213] SORT_1 var_82_arg_2 = input_3; [L214] SORT_1 var_82 = var_82_arg_0 ? var_82_arg_1 : var_82_arg_2; [L215] SORT_1 next_83_arg_1 = var_82; [L216] SORT_1 var_84_arg_0 = var_33; [L217] SORT_1 var_84_arg_1 = var_24; [L218] SORT_1 var_84_arg_2 = input_4; [L219] SORT_1 var_84 = var_84_arg_0 ? var_84_arg_1 : var_84_arg_2; [L220] SORT_1 next_85_arg_1 = var_84; [L221] SORT_1 var_86_arg_0 = input_3; [L222] SORT_5 var_86_arg_1 = input_6; [L223] SORT_5 var_86_arg_2 = state_42; [L224] SORT_5 var_86 = var_86_arg_0 ? var_86_arg_1 : var_86_arg_2; [L225] SORT_1 var_87_arg_0 = var_33; [L226] SORT_5 var_87_arg_1 = var_28; [L227] SORT_5 var_87_arg_2 = var_86; [L228] SORT_5 var_87 = var_87_arg_0 ? var_87_arg_1 : var_87_arg_2; [L229] SORT_5 next_88_arg_1 = var_87; [L230] SORT_1 var_89_arg_0 = input_4; [L231] SORT_5 var_89_arg_1 = input_7; [L232] SORT_5 var_89_arg_2 = state_44; [L233] SORT_5 var_89 = var_89_arg_0 ? var_89_arg_1 : var_89_arg_2; [L234] SORT_1 var_90_arg_0 = var_33; [L235] SORT_5 var_90_arg_1 = var_28; [L236] SORT_5 var_90_arg_2 = var_89; [L237] SORT_5 var_90 = var_90_arg_0 ? var_90_arg_1 : var_90_arg_2; [L238] SORT_5 next_91_arg_1 = var_90; [L240] state_11 = next_51_arg_1 [L241] state_16 = next_56_arg_1 [L242] state_18 = next_73_arg_1 [L243] state_29 = next_76_arg_1 [L244] state_31 = next_79_arg_1 [L245] state_36 = next_81_arg_1 [L246] state_38 = next_83_arg_1 [L247] state_40 = next_85_arg_1 [L248] state_42 = next_88_arg_1 [L249] state_44 = next_91_arg_1 [L88] input_2 = __VERIFIER_nondet_uchar() [L89] input_3 = __VERIFIER_nondet_uchar() [L90] input_3 = input_3 & mask_SORT_1 [L91] input_4 = __VERIFIER_nondet_uchar() [L92] input_4 = input_4 & mask_SORT_1 [L93] input_6 = __VERIFIER_nondet_uint() [L94] input_6 = input_6 & mask_SORT_5 [L95] input_7 = __VERIFIER_nondet_uint() [L96] input_7 = input_7 & mask_SORT_5 [L97] input_9 = __VERIFIER_nondet_ushort() [L100] SORT_1 var_13_arg_0 = state_11; [L101] SORT_1 var_13 = ~var_13_arg_0; [L102] SORT_14 var_20_arg_0 = state_16; [L103] SORT_14 var_20_arg_1 = state_18; [L104] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L105] SORT_1 var_21_arg_0 = var_13; [L106] SORT_1 var_21_arg_1 = var_20; [L107] SORT_1 var_21 = var_21_arg_0 | var_21_arg_1; [L108] SORT_1 var_25_arg_0 = var_21; [L109] SORT_1 var_25 = ~var_25_arg_0; [L110] SORT_1 var_26_arg_0 = var_24; [L111] SORT_1 var_26_arg_1 = var_25; [L112] SORT_1 var_26 = var_26_arg_0 & var_26_arg_1; [L113] var_26 = var_26 & mask_SORT_1 [L114] SORT_1 bad_27_arg_0 = var_26; [L115] CALL __VERIFIER_assert(!(bad_27_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 11 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.3s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28 IncrementalHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 8 mSDtfsCounter, 28 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=2, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 8.4s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 18 ConstructedInterpolants, 4 QuantifiedInterpolants, 1167 SizeOfPredicates, 23 NumberOfNonLiveVariables, 187 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 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, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2025-03-08 09:04:37,262 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