./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p1.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 e3ac6f8d68dfadee83df50cc30cff5b03f705d6e7b992071314ad032158be302 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 07:10:09,223 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 07:10:09,288 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-14 07:10:09,296 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 07:10:09,296 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 07:10:09,335 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 07:10:09,337 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 07:10:09,337 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 07:10:09,337 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 07:10:09,338 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 07:10:09,338 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 07:10:09,338 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 07:10:09,339 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 07:10:09,340 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 07:10:09,341 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 07:10:09,342 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 07:10:09,342 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 07:10:09,342 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 07:10:09,342 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 07:10:09,342 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 07:10:09,343 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 07:10:09,346 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 07:10:09,346 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 07:10:09,346 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 07:10:09,347 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 07:10:09,347 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 07:10:09,347 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 07:10:09,347 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 07:10:09,347 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 07:10:09,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 07:10:09,347 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 07:10:09,348 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 07:10:09,348 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 07:10:09,348 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 07:10:09,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 07:10:09,348 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 07:10:09,348 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 07:10:09,348 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 07:10:09,348 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 07:10:09,349 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3ac6f8d68dfadee83df50cc30cff5b03f705d6e7b992071314ad032158be302 [2024-10-14 07:10:09,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 07:10:09,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 07:10:09,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 07:10:09,608 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 07:10:09,608 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 07:10:09,609 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p1.c [2024-10-14 07:10:10,994 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 07:10:11,234 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 07:10:11,234 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p1.c [2024-10-14 07:10:11,253 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3c0ab64b/6302264dad0a47abbc419e1f20e4e3ad/FLAGef0f5e9b9 [2024-10-14 07:10:11,269 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3c0ab64b/6302264dad0a47abbc419e1f20e4e3ad [2024-10-14 07:10:11,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 07:10:11,273 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 07:10:11,274 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 07:10:11,276 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 07:10:11,280 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 07:10:11,281 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:10:11" (1/1) ... [2024-10-14 07:10:11,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@353b617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:11, skipping insertion in model container [2024-10-14 07:10:11,282 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:10:11" (1/1) ... [2024-10-14 07:10:11,348 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 07:10:11,561 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p1.c[1260,1273] [2024-10-14 07:10:11,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 07:10:11,840 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 07:10:11,851 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p1.c[1260,1273] [2024-10-14 07:10:11,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 07:10:11,979 INFO L204 MainTranslator]: Completed translation [2024-10-14 07:10:11,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:11 WrapperNode [2024-10-14 07:10:11,980 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 07:10:11,980 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 07:10:11,981 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 07:10:11,981 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 07:10:11,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:11" (1/1) ... [2024-10-14 07:10:12,035 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:11" (1/1) ... [2024-10-14 07:10:12,625 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4783 [2024-10-14 07:10:12,626 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 07:10:12,627 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 07:10:12,627 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 07:10:12,627 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 07:10:12,636 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:11" (1/1) ... [2024-10-14 07:10:12,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:11" (1/1) ... [2024-10-14 07:10:12,764 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:11" (1/1) ... [2024-10-14 07:10:12,934 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 07:10:12,934 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:11" (1/1) ... [2024-10-14 07:10:12,934 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:11" (1/1) ... [2024-10-14 07:10:13,094 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:11" (1/1) ... [2024-10-14 07:10:13,130 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:11" (1/1) ... [2024-10-14 07:10:13,163 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:11" (1/1) ... [2024-10-14 07:10:13,193 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:11" (1/1) ... [2024-10-14 07:10:13,259 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 07:10:13,261 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 07:10:13,261 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 07:10:13,261 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 07:10:13,262 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:11" (1/1) ... [2024-10-14 07:10:13,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 07:10:13,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 07:10:13,291 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 07:10:13,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 07:10:13,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 07:10:13,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 07:10:13,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 07:10:13,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 07:10:13,704 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 07:10:13,706 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 07:10:17,382 INFO L? ?]: Removed 2813 outVars from TransFormulas that were not future-live. [2024-10-14 07:10:17,382 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 07:10:17,452 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 07:10:17,452 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 07:10:17,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:10:17 BoogieIcfgContainer [2024-10-14 07:10:17,453 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 07:10:17,454 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 07:10:17,454 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 07:10:17,457 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 07:10:17,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:10:11" (1/3) ... [2024-10-14 07:10:17,458 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78c117f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:10:17, skipping insertion in model container [2024-10-14 07:10:17,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:11" (2/3) ... [2024-10-14 07:10:17,458 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78c117f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:10:17, skipping insertion in model container [2024-10-14 07:10:17,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:10:17" (3/3) ... [2024-10-14 07:10:17,459 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_am2910_p1.c [2024-10-14 07:10:17,472 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 07:10:17,473 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 07:10:17,543 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 07:10:17,549 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;@71f752e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 07:10:17,549 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 07:10:17,556 INFO L276 IsEmpty]: Start isEmpty. Operand has 1507 states, 1505 states have (on average 1.5003322259136214) internal successors, (2258), 1506 states have internal predecessors, (2258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 07:10:17,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-10-14 07:10:17,562 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:10:17,562 INFO L215 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] [2024-10-14 07:10:17,563 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:10:17,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:10:17,567 INFO L85 PathProgramCache]: Analyzing trace with hash 615531143, now seen corresponding path program 1 times [2024-10-14 07:10:17,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:10:17,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353784972] [2024-10-14 07:10:17,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:10:17,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:10:17,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:10:18,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 07:10:18,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:10:18,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353784972] [2024-10-14 07:10:18,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353784972] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:10:18,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:10:18,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 07:10:18,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451123527] [2024-10-14 07:10:18,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:10:18,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 07:10:18,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:10:18,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 07:10:18,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 07:10:18,518 INFO L87 Difference]: Start difference. First operand has 1507 states, 1505 states have (on average 1.5003322259136214) internal successors, (2258), 1506 states have internal predecessors, (2258), 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 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 07:10:18,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:10:18,656 INFO L93 Difference]: Finished difference Result 2978 states and 4464 transitions. [2024-10-14 07:10:18,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 07:10:18,662 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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 36 [2024-10-14 07:10:18,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:10:18,683 INFO L225 Difference]: With dead ends: 2978 [2024-10-14 07:10:18,683 INFO L226 Difference]: Without dead ends: 1508 [2024-10-14 07:10:18,692 INFO L431 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 [2024-10-14 07:10:18,697 INFO L432 NwaCegarLoop]: 2253 mSDtfsCounter, 0 mSDsluCounter, 4501 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6754 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 07:10:18,699 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6754 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 07:10:18,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1508 states. [2024-10-14 07:10:18,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1508 to 1508. [2024-10-14 07:10:18,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1508 states, 1507 states have (on average 1.4983410749834107) internal successors, (2258), 1507 states have internal predecessors, (2258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 07:10:18,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 1508 states and 2258 transitions. [2024-10-14 07:10:18,791 INFO L78 Accepts]: Start accepts. Automaton has 1508 states and 2258 transitions. Word has length 36 [2024-10-14 07:10:18,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:10:18,791 INFO L471 AbstractCegarLoop]: Abstraction has 1508 states and 2258 transitions. [2024-10-14 07:10:18,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 07:10:18,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1508 states and 2258 transitions. [2024-10-14 07:10:18,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-10-14 07:10:18,793 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:10:18,793 INFO L215 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] [2024-10-14 07:10:18,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 07:10:18,793 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:10:18,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:10:18,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1903291610, now seen corresponding path program 1 times [2024-10-14 07:10:18,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:10:18,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961487634] [2024-10-14 07:10:18,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:10:18,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:10:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:10:19,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 07:10:19,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:10:19,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961487634] [2024-10-14 07:10:19,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961487634] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:10:19,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:10:19,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 07:10:19,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225706159] [2024-10-14 07:10:19,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:10:19,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 07:10:19,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:10:19,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 07:10:19,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 07:10:19,004 INFO L87 Difference]: Start difference. First operand 1508 states and 2258 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 07:10:19,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:10:19,076 INFO L93 Difference]: Finished difference Result 2981 states and 4464 transitions. [2024-10-14 07:10:19,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 07:10:19,077 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2024-10-14 07:10:19,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:10:19,082 INFO L225 Difference]: With dead ends: 2981 [2024-10-14 07:10:19,083 INFO L226 Difference]: Without dead ends: 1510 [2024-10-14 07:10:19,085 INFO L431 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 [2024-10-14 07:10:19,087 INFO L432 NwaCegarLoop]: 2253 mSDtfsCounter, 0 mSDsluCounter, 4498 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6751 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 07:10:19,087 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6751 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 07:10:19,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1510 states. [2024-10-14 07:10:19,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1510 to 1510. [2024-10-14 07:10:19,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1510 states, 1509 states have (on average 1.4976805831676607) internal successors, (2260), 1509 states have internal predecessors, (2260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 07:10:19,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1510 states and 2260 transitions. [2024-10-14 07:10:19,114 INFO L78 Accepts]: Start accepts. Automaton has 1510 states and 2260 transitions. Word has length 37 [2024-10-14 07:10:19,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:10:19,115 INFO L471 AbstractCegarLoop]: Abstraction has 1510 states and 2260 transitions. [2024-10-14 07:10:19,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 07:10:19,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 2260 transitions. [2024-10-14 07:10:19,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-14 07:10:19,116 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:10:19,116 INFO L215 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] [2024-10-14 07:10:19,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 07:10:19,117 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:10:19,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:10:19,118 INFO L85 PathProgramCache]: Analyzing trace with hash 2069499328, now seen corresponding path program 1 times [2024-10-14 07:10:19,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:10:19,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140435145] [2024-10-14 07:10:19,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:10:19,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:10:19,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:10:19,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 07:10:19,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:10:19,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140435145] [2024-10-14 07:10:19,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140435145] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:10:19,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:10:19,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 07:10:19,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100477796] [2024-10-14 07:10:19,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:10:19,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 07:10:19,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:10:19,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 07:10:19,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 07:10:19,560 INFO L87 Difference]: Start difference. First operand 1510 states and 2260 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 07:10:19,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:10:19,735 INFO L93 Difference]: Finished difference Result 2987 states and 4471 transitions. [2024-10-14 07:10:19,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 07:10:19,736 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 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 38 [2024-10-14 07:10:19,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:10:19,740 INFO L225 Difference]: With dead ends: 2987 [2024-10-14 07:10:19,740 INFO L226 Difference]: Without dead ends: 1514 [2024-10-14 07:10:19,742 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-14 07:10:19,744 INFO L432 NwaCegarLoop]: 2248 mSDtfsCounter, 2232 mSDsluCounter, 4490 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2232 SdHoareTripleChecker+Valid, 6738 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 07:10:19,745 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2232 Valid, 6738 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 07:10:19,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1514 states. [2024-10-14 07:10:19,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1514 to 1513. [2024-10-14 07:10:19,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1513 states, 1512 states have (on average 1.4966931216931216) internal successors, (2263), 1512 states have internal predecessors, (2263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 07:10:19,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 1513 states and 2263 transitions. [2024-10-14 07:10:19,768 INFO L78 Accepts]: Start accepts. Automaton has 1513 states and 2263 transitions. Word has length 38 [2024-10-14 07:10:19,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:10:19,769 INFO L471 AbstractCegarLoop]: Abstraction has 1513 states and 2263 transitions. [2024-10-14 07:10:19,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 07:10:19,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 2263 transitions. [2024-10-14 07:10:19,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-14 07:10:19,772 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:10:19,772 INFO L215 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] [2024-10-14 07:10:19,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 07:10:19,772 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:10:19,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:10:19,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1294515037, now seen corresponding path program 1 times [2024-10-14 07:10:19,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:10:19,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213461179] [2024-10-14 07:10:19,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:10:19,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:10:19,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:10:20,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 07:10:20,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:10:20,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213461179] [2024-10-14 07:10:20,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213461179] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:10:20,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:10:20,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 07:10:20,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648390143] [2024-10-14 07:10:20,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:10:20,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 07:10:20,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:10:20,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 07:10:20,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 07:10:20,464 INFO L87 Difference]: Start difference. First operand 1513 states and 2263 transitions. Second operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 7 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) [2024-10-14 07:10:20,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:10:20,803 INFO L93 Difference]: Finished difference Result 4465 states and 6679 transitions. [2024-10-14 07:10:20,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 07:10:20,804 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 7 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 [2024-10-14 07:10:20,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:10:20,813 INFO L225 Difference]: With dead ends: 4465 [2024-10-14 07:10:20,813 INFO L226 Difference]: Without dead ends: 2989 [2024-10-14 07:10:20,818 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-10-14 07:10:20,819 INFO L432 NwaCegarLoop]: 2237 mSDtfsCounter, 6633 mSDsluCounter, 11183 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6633 SdHoareTripleChecker+Valid, 13420 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 07:10:20,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6633 Valid, 13420 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 07:10:20,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2989 states. [2024-10-14 07:10:20,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2989 to 1528. [2024-10-14 07:10:20,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1528 states, 1527 states have (on average 1.495743287491814) internal successors, (2284), 1527 states have internal predecessors, (2284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 07:10:20,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1528 states and 2284 transitions. [2024-10-14 07:10:20,851 INFO L78 Accepts]: Start accepts. Automaton has 1528 states and 2284 transitions. Word has length 39 [2024-10-14 07:10:20,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:10:20,853 INFO L471 AbstractCegarLoop]: Abstraction has 1528 states and 2284 transitions. [2024-10-14 07:10:20,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 7 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) [2024-10-14 07:10:20,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 2284 transitions. [2024-10-14 07:10:20,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-14 07:10:20,854 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:10:20,855 INFO L215 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] [2024-10-14 07:10:20,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 07:10:20,856 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:10:20,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:10:20,856 INFO L85 PathProgramCache]: Analyzing trace with hash 638856737, now seen corresponding path program 1 times [2024-10-14 07:10:20,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:10:20,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356188926] [2024-10-14 07:10:20,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:10:20,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:10:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:10:21,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 07:10:21,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:10:21,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356188926] [2024-10-14 07:10:21,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356188926] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:10:21,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:10:21,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 07:10:21,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631865791] [2024-10-14 07:10:21,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:10:21,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 07:10:21,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:10:21,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 07:10:21,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-14 07:10:21,149 INFO L87 Difference]: Start difference. First operand 1528 states and 2284 transitions. Second operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 7 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) [2024-10-14 07:10:21,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:10:21,297 INFO L93 Difference]: Finished difference Result 3012 states and 4504 transitions. [2024-10-14 07:10:21,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 07:10:21,298 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 7 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 [2024-10-14 07:10:21,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:10:21,303 INFO L225 Difference]: With dead ends: 3012 [2024-10-14 07:10:21,303 INFO L226 Difference]: Without dead ends: 1536 [2024-10-14 07:10:21,304 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-14 07:10:21,306 INFO L432 NwaCegarLoop]: 2237 mSDtfsCounter, 2237 mSDsluCounter, 11179 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2237 SdHoareTripleChecker+Valid, 13416 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 07:10:21,307 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2237 Valid, 13416 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 07:10:21,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1536 states. [2024-10-14 07:10:21,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1536 to 1532. [2024-10-14 07:10:21,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1532 states, 1531 states have (on average 1.495754408883083) internal successors, (2290), 1531 states have internal predecessors, (2290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 07:10:21,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 2290 transitions. [2024-10-14 07:10:21,327 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 2290 transitions. Word has length 39 [2024-10-14 07:10:21,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:10:21,327 INFO L471 AbstractCegarLoop]: Abstraction has 1532 states and 2290 transitions. [2024-10-14 07:10:21,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 7 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) [2024-10-14 07:10:21,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 2290 transitions. [2024-10-14 07:10:21,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-10-14 07:10:21,329 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:10:21,331 INFO L215 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] [2024-10-14 07:10:21,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 07:10:21,331 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:10:21,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:10:21,331 INFO L85 PathProgramCache]: Analyzing trace with hash -105732324, now seen corresponding path program 1 times [2024-10-14 07:10:21,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:10:21,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161580259] [2024-10-14 07:10:21,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:10:21,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:10:21,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 07:10:21,389 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 07:10:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 07:10:21,483 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-14 07:10:21,483 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 07:10:21,484 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-14 07:10:21,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 07:10:21,489 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-10-14 07:10:21,551 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 07:10:21,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 07:10:21 BoogieIcfgContainer [2024-10-14 07:10:21,557 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 07:10:21,557 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 07:10:21,558 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 07:10:21,558 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 07:10:21,558 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:10:17" (3/4) ... [2024-10-14 07:10:21,560 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-14 07:10:21,561 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 07:10:21,561 INFO L158 Benchmark]: Toolchain (without parser) took 10288.01ms. Allocated memory was 138.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 64.4MB in the beginning and 882.7MB in the end (delta: -818.3MB). Peak memory consumption was 376.2MB. Max. memory is 16.1GB. [2024-10-14 07:10:21,561 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 138.4MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 07:10:21,561 INFO L158 Benchmark]: CACSL2BoogieTranslator took 705.41ms. Allocated memory was 138.4MB in the beginning and 207.6MB in the end (delta: 69.2MB). Free memory was 64.2MB in the beginning and 110.9MB in the end (delta: -46.7MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2024-10-14 07:10:21,562 INFO L158 Benchmark]: Boogie Procedure Inliner took 645.70ms. Allocated memory was 207.6MB in the beginning and 398.5MB in the end (delta: 190.8MB). Free memory was 110.9MB in the beginning and 279.4MB in the end (delta: -168.6MB). Peak memory consumption was 104.5MB. Max. memory is 16.1GB. [2024-10-14 07:10:21,562 INFO L158 Benchmark]: Boogie Preprocessor took 632.83ms. Allocated memory is still 398.5MB. Free memory was 279.4MB in the beginning and 234.9MB in the end (delta: 44.6MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-10-14 07:10:21,564 INFO L158 Benchmark]: RCFGBuilder took 4191.74ms. Allocated memory was 398.5MB in the beginning and 801.1MB in the end (delta: 402.7MB). Free memory was 234.9MB in the beginning and 555.8MB in the end (delta: -320.9MB). Peak memory consumption was 238.9MB. Max. memory is 16.1GB. [2024-10-14 07:10:21,565 INFO L158 Benchmark]: TraceAbstraction took 4103.01ms. Allocated memory was 801.1MB in the beginning and 1.3GB in the end (delta: 530.6MB). Free memory was 554.7MB in the beginning and 882.7MB in the end (delta: -328.0MB). Peak memory consumption was 203.7MB. Max. memory is 16.1GB. [2024-10-14 07:10:21,565 INFO L158 Benchmark]: Witness Printer took 3.32ms. Allocated memory is still 1.3GB. Free memory is still 882.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 07:10:21,567 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 138.4MB. Free memory is still 102.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 705.41ms. Allocated memory was 138.4MB in the beginning and 207.6MB in the end (delta: 69.2MB). Free memory was 64.2MB in the beginning and 110.9MB in the end (delta: -46.7MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 645.70ms. Allocated memory was 207.6MB in the beginning and 398.5MB in the end (delta: 190.8MB). Free memory was 110.9MB in the beginning and 279.4MB in the end (delta: -168.6MB). Peak memory consumption was 104.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 632.83ms. Allocated memory is still 398.5MB. Free memory was 279.4MB in the beginning and 234.9MB in the end (delta: 44.6MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * RCFGBuilder took 4191.74ms. Allocated memory was 398.5MB in the beginning and 801.1MB in the end (delta: 402.7MB). Free memory was 234.9MB in the beginning and 555.8MB in the end (delta: -320.9MB). Peak memory consumption was 238.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4103.01ms. Allocated memory was 801.1MB in the beginning and 1.3GB in the end (delta: 530.6MB). Free memory was 554.7MB in the beginning and 882.7MB in the end (delta: -328.0MB). Peak memory consumption was 203.7MB. Max. memory is 16.1GB. * Witness Printer took 3.32ms. Allocated memory is still 1.3GB. Free memory is still 882.7MB. 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 bitwiseAnd at line 207. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 12); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (12 - 1); [L29] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 1); [L30] const SORT_6 msb_SORT_6 = (SORT_6)1 << (1 - 1); [L32] const SORT_11 mask_SORT_11 = (SORT_11)-1 >> (sizeof(SORT_11) * 8 - 4); [L33] const SORT_11 msb_SORT_11 = (SORT_11)1 << (4 - 1); [L35] const SORT_37 mask_SORT_37 = (SORT_37)-1 >> (sizeof(SORT_37) * 8 - 32); [L36] const SORT_37 msb_SORT_37 = (SORT_37)1 << (32 - 1); [L38] const SORT_41 mask_SORT_41 = (SORT_41)-1 >> (sizeof(SORT_41) * 8 - 3); [L39] const SORT_41 msb_SORT_41 = (SORT_41)1 << (3 - 1); [L41] const SORT_289 mask_SORT_289 = (SORT_289)-1 >> (sizeof(SORT_289) * 8 - 2); [L42] const SORT_289 msb_SORT_289 = (SORT_289)1 << (2 - 1); [L44] const SORT_293 mask_SORT_293 = (SORT_293)-1 >> (sizeof(SORT_293) * 8 - 5); [L45] const SORT_293 msb_SORT_293 = (SORT_293)1 << (5 - 1); [L47] const SORT_295 mask_SORT_295 = (SORT_295)-1 >> (sizeof(SORT_295) * 8 - 6); [L48] const SORT_295 msb_SORT_295 = (SORT_295)1 << (6 - 1); [L50] const SORT_297 mask_SORT_297 = (SORT_297)-1 >> (sizeof(SORT_297) * 8 - 7); [L51] const SORT_297 msb_SORT_297 = (SORT_297)1 << (7 - 1); [L53] const SORT_299 mask_SORT_299 = (SORT_299)-1 >> (sizeof(SORT_299) * 8 - 8); [L54] const SORT_299 msb_SORT_299 = (SORT_299)1 << (8 - 1); [L56] const SORT_301 mask_SORT_301 = (SORT_301)-1 >> (sizeof(SORT_301) * 8 - 9); [L57] const SORT_301 msb_SORT_301 = (SORT_301)1 << (9 - 1); [L59] const SORT_303 mask_SORT_303 = (SORT_303)-1 >> (sizeof(SORT_303) * 8 - 10); [L60] const SORT_303 msb_SORT_303 = (SORT_303)1 << (10 - 1); [L62] const SORT_305 mask_SORT_305 = (SORT_305)-1 >> (sizeof(SORT_305) * 8 - 11); [L63] const SORT_305 msb_SORT_305 = (SORT_305)1 << (11 - 1); [L65] const SORT_1 var_16 = 0; [L66] const SORT_6 var_21 = 0; [L67] const SORT_37 var_39 = 0; [L68] const SORT_41 var_42 = 0; [L69] const SORT_41 var_45 = 6; [L70] const SORT_41 var_47 = 7; [L71] const SORT_6 var_53 = 1; [L72] const SORT_11 var_57 = 2; [L73] const SORT_11 var_62 = 9; [L74] const SORT_11 var_70 = 15; [L75] const SORT_11 var_75 = 1; [L76] const SORT_11 var_77 = 3; [L77] const SORT_11 var_80 = 5; [L78] const SORT_11 var_83 = 7; [L79] const SORT_11 var_86 = 11; [L80] const SORT_11 var_108 = 8; [L81] const SORT_11 var_112 = 10; [L82] const SORT_11 var_116 = 13; [L83] const SORT_11 var_127 = 4; [L84] const SORT_11 var_129 = 12; [L85] const SORT_11 var_132 = 14; [L86] const SORT_11 var_138 = 6; [L87] const SORT_11 var_165 = 0; [L88] const SORT_41 var_209 = 1; [L89] const SORT_41 var_211 = 5; [L90] const SORT_1 var_229 = 4095; [L91] const SORT_1 var_569 = 1; [L92] const SORT_305 var_577 = 0; [L94] SORT_1 input_2; [L95] SORT_1 input_3; [L96] SORT_1 input_4; [L97] SORT_1 input_5; [L98] SORT_6 input_7; [L99] SORT_6 input_8; [L100] SORT_6 input_9; [L101] SORT_1 input_10; [L102] SORT_11 input_12; [L103] SORT_6 input_13; [L104] SORT_6 input_14; [L105] SORT_6 input_15; [L106] SORT_1 input_216; [L107] SORT_41 input_219; [L109] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_41=7, mask_SORT_6=1, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_39=0, var_42=0, var_45=6, var_47=7, var_53=1, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L109] SORT_1 state_17 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L110] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_41=7, mask_SORT_6=1, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_39=0, var_42=0, var_45=6, var_47=7, var_53=1, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L110] SORT_1 state_19 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L111] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_41=7, mask_SORT_6=1, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_39=0, var_42=0, var_45=6, var_47=7, var_53=1, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L111] SORT_1 state_23 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_41=7, mask_SORT_6=1, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_39=0, var_42=0, var_45=6, var_47=7, var_53=1, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L112] SORT_1 state_25 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_41=7, mask_SORT_6=1, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_39=0, var_42=0, var_45=6, var_47=7, var_53=1, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L113] SORT_1 state_29 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_41=7, mask_SORT_6=1, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_39=0, var_42=0, var_45=6, var_47=7, var_53=1, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L114] SORT_1 state_31 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_41 VAL [mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_41=7, mask_SORT_6=1, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_39=0, var_42=0, var_45=6, var_47=7, var_53=1, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L115] SORT_41 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_41; [L116] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_41=7, mask_SORT_6=1, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_39=0, var_42=0, var_45=6, var_47=7, var_53=1, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L116] SORT_1 state_59 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_41=7, mask_SORT_6=1, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_39=0, var_42=0, var_45=6, var_47=7, var_53=1, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L117] SORT_1 state_125 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L119] SORT_1 init_18_arg_1 = var_16; [L120] state_17 = init_18_arg_1 [L121] SORT_1 init_20_arg_1 = var_16; [L122] state_19 = init_20_arg_1 [L123] SORT_1 init_24_arg_1 = var_16; [L124] state_23 = init_24_arg_1 [L125] SORT_1 init_26_arg_1 = var_16; [L126] state_25 = init_26_arg_1 [L127] SORT_1 init_30_arg_1 = var_16; [L128] state_29 = init_30_arg_1 [L129] SORT_1 init_32_arg_1 = var_16; [L130] state_31 = init_32_arg_1 [L131] SORT_41 init_44_arg_1 = var_42; [L132] state_43 = init_44_arg_1 [L133] SORT_1 init_60_arg_1 = var_16; [L134] state_59 = init_60_arg_1 [L135] SORT_1 init_126_arg_1 = var_16; [L136] state_125 = init_126_arg_1 VAL [mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_41=7, mask_SORT_6=1, state_125=0, state_17=0, state_19=0, state_23=0, state_25=0, state_29=0, state_31=0, state_43=0, state_59=0, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_39=0, var_42=0, var_45=6, var_47=7, var_53=1, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L139] input_2 = __VERIFIER_nondet_ushort() [L140] input_3 = __VERIFIER_nondet_ushort() [L141] input_4 = __VERIFIER_nondet_ushort() [L142] input_5 = __VERIFIER_nondet_ushort() [L143] input_7 = __VERIFIER_nondet_uchar() [L144] input_8 = __VERIFIER_nondet_uchar() [L145] input_9 = __VERIFIER_nondet_uchar() [L146] EXPR input_9 & mask_SORT_6 VAL [mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_41=7, mask_SORT_6=1, state_125=0, state_17=0, state_19=0, state_23=0, state_25=0, state_29=0, state_31=0, state_43=0, state_59=0, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_39=0, var_42=0, var_45=6, var_47=7, var_53=1, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L146] input_9 = input_9 & mask_SORT_6 [L147] input_10 = __VERIFIER_nondet_ushort() [L148] input_12 = __VERIFIER_nondet_uchar() [L149] EXPR input_12 & mask_SORT_11 VAL [input_9=0, mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_41=7, mask_SORT_6=1, state_125=0, state_17=0, state_19=0, state_23=0, state_25=0, state_29=0, state_31=0, state_43=0, state_59=0, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_39=0, var_42=0, var_45=6, var_47=7, var_53=1, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L149] input_12 = input_12 & mask_SORT_11 [L150] input_13 = __VERIFIER_nondet_uchar() [L151] input_14 = __VERIFIER_nondet_uchar() [L152] input_15 = __VERIFIER_nondet_uchar() [L153] input_216 = __VERIFIER_nondet_ushort() [L154] input_219 = __VERIFIER_nondet_uchar() [L157] SORT_6 var_34_arg_0 = var_21; [L158] SORT_1 var_34_arg_1 = input_5; [L159] SORT_1 var_34_arg_2 = input_4; [L160] SORT_1 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L161] SORT_6 var_33_arg_0 = var_21; [L162] SORT_1 var_33_arg_1 = state_31; [L163] SORT_1 var_33_arg_2 = state_29; [L164] SORT_1 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; [L165] SORT_6 var_35_arg_0 = var_21; [L166] SORT_1 var_35_arg_1 = var_34; [L167] SORT_1 var_35_arg_2 = var_33; [L168] SORT_1 var_35 = var_35_arg_0 ? var_35_arg_1 : var_35_arg_2; [L169] SORT_6 var_27_arg_0 = var_21; [L170] SORT_1 var_27_arg_1 = state_25; [L171] SORT_1 var_27_arg_2 = state_23; [L172] SORT_1 var_27 = var_27_arg_0 ? var_27_arg_1 : var_27_arg_2; [L173] SORT_6 var_22_arg_0 = var_21; [L174] SORT_1 var_22_arg_1 = state_19; [L175] SORT_1 var_22_arg_2 = state_17; [L176] SORT_1 var_22 = var_22_arg_0 ? var_22_arg_1 : var_22_arg_2; [L177] SORT_6 var_28_arg_0 = var_21; [L178] SORT_1 var_28_arg_1 = var_27; [L179] SORT_1 var_28_arg_2 = var_22; [L180] SORT_1 var_28 = var_28_arg_0 ? var_28_arg_1 : var_28_arg_2; [L181] SORT_6 var_36_arg_0 = var_21; [L182] SORT_1 var_36_arg_1 = var_35; [L183] SORT_1 var_36_arg_2 = var_28; [L184] SORT_1 var_36 = var_36_arg_0 ? var_36_arg_1 : var_36_arg_2; [L185] SORT_1 var_38_arg_0 = var_36; VAL [input_12=0, input_9=0, mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_41=7, mask_SORT_6=1, state_125=0, state_17=0, state_19=0, state_23=0, state_25=0, state_29=0, state_31=0, state_43=0, state_59=0, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_38_arg_0=0, var_39=0, var_42=0, var_45=6, var_47=7, var_53=1, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L186] EXPR var_38_arg_0 & mask_SORT_1 VAL [input_12=0, input_9=0, mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_41=7, mask_SORT_6=1, state_125=0, state_17=0, state_19=0, state_23=0, state_25=0, state_29=0, state_31=0, state_43=0, state_59=0, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_39=0, var_42=0, var_45=6, var_47=7, var_53=1, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L186] var_38_arg_0 = var_38_arg_0 & mask_SORT_1 [L187] SORT_37 var_38 = var_38_arg_0; [L188] SORT_37 var_40_arg_0 = var_38; [L189] SORT_37 var_40_arg_1 = var_39; [L190] SORT_6 var_40 = var_40_arg_0 == var_40_arg_1; [L191] SORT_41 var_46_arg_0 = state_43; [L192] SORT_41 var_46_arg_1 = var_45; [L193] SORT_6 var_46 = var_46_arg_0 != var_46_arg_1; [L194] SORT_41 var_48_arg_0 = state_43; [L195] SORT_41 var_48_arg_1 = var_47; [L196] SORT_6 var_48 = var_48_arg_0 != var_48_arg_1; [L197] SORT_6 var_49_arg_0 = var_46; [L198] SORT_6 var_49_arg_1 = var_48; VAL [input_12=0, input_9=0, mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_41=7, mask_SORT_6=1, state_125=0, state_17=0, state_19=0, state_23=0, state_25=0, state_29=0, state_31=0, state_43=0, state_59=0, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_39=0, var_40=1, var_42=0, var_45=6, var_47=7, var_49_arg_0=1, var_49_arg_1=1, var_53=1, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L199] EXPR var_49_arg_0 | var_49_arg_1 VAL [input_12=0, input_9=0, mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_41=7, mask_SORT_6=1, state_125=0, state_17=0, state_19=0, state_23=0, state_25=0, state_29=0, state_31=0, state_43=0, state_59=0, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_39=0, var_40=1, var_42=0, var_45=6, var_47=7, var_53=1, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L199] SORT_6 var_49 = var_49_arg_0 | var_49_arg_1; [L200] SORT_6 var_50_arg_0 = var_40; [L201] SORT_6 var_50_arg_1 = var_49; VAL [input_12=0, input_9=0, mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_41=7, mask_SORT_6=1, state_125=0, state_17=0, state_19=0, state_23=0, state_25=0, state_29=0, state_31=0, state_43=0, state_59=0, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_39=0, var_42=0, var_45=6, var_47=7, var_50_arg_0=1, var_50_arg_1=1, var_53=1, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L202] EXPR var_50_arg_0 & var_50_arg_1 VAL [input_12=0, input_9=0, mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_41=7, mask_SORT_6=1, state_125=0, state_17=0, state_19=0, state_23=0, state_25=0, state_29=0, state_31=0, state_43=0, state_59=0, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_39=0, var_42=0, var_45=6, var_47=7, var_53=1, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L202] SORT_6 var_50 = var_50_arg_0 & var_50_arg_1; [L203] SORT_6 var_54_arg_0 = var_50; [L204] SORT_6 var_54 = ~var_54_arg_0; [L205] SORT_6 var_55_arg_0 = var_53; [L206] SORT_6 var_55_arg_1 = var_54; VAL [input_12=0, input_9=0, mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_41=7, mask_SORT_6=1, state_125=0, state_17=0, state_19=0, state_23=0, state_25=0, state_29=0, state_31=0, state_43=0, state_59=0, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_39=0, var_42=0, var_45=6, var_47=7, var_53=1, var_55_arg_0=1, var_55_arg_1=-2, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L207] EXPR var_55_arg_0 & var_55_arg_1 VAL [input_12=0, input_9=0, mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_41=7, mask_SORT_6=1, state_125=0, state_17=0, state_19=0, state_23=0, state_25=0, state_29=0, state_31=0, state_43=0, state_59=0, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_39=0, var_42=0, var_45=6, var_47=7, var_53=1, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L207] SORT_6 var_55 = var_55_arg_0 & var_55_arg_1; [L208] EXPR var_55 & mask_SORT_6 VAL [input_12=0, input_9=0, mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_41=7, mask_SORT_6=1, state_125=0, state_17=0, state_19=0, state_23=0, state_25=0, state_29=0, state_31=0, state_43=0, state_59=0, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_39=0, var_42=0, var_45=6, var_47=7, var_53=1, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L208] var_55 = var_55 & mask_SORT_6 [L209] SORT_6 bad_56_arg_0 = var_55; [L210] CALL __VERIFIER_assert(!(bad_56_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1507 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11102 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11102 mSDsluCounter, 47079 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 35851 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 288 IncrementalHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 11228 mSDtfsCounter, 288 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1532occurred in iteration=5, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 1466 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 229 NumberOfCodeBlocks, 229 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 184 ConstructedInterpolants, 0 QuantifiedInterpolants, 668 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-14 07:10:21,597 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/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p1.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 e3ac6f8d68dfadee83df50cc30cff5b03f705d6e7b992071314ad032158be302 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 07:10:23,608 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 07:10:23,682 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-10-14 07:10:23,687 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 07:10:23,688 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 07:10:23,717 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 07:10:23,720 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 07:10:23,721 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 07:10:23,721 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 07:10:23,721 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 07:10:23,722 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 07:10:23,722 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 07:10:23,722 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 07:10:23,723 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 07:10:23,723 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 07:10:23,723 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 07:10:23,724 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 07:10:23,724 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 07:10:23,725 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 07:10:23,725 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 07:10:23,726 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 07:10:23,726 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 07:10:23,727 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-14 07:10:23,727 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 07:10:23,727 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-14 07:10:23,728 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 07:10:23,728 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 07:10:23,728 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 07:10:23,729 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 07:10:23,729 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 07:10:23,729 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 07:10:23,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 07:10:23,730 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 07:10:23,730 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 07:10:23,730 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 07:10:23,731 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-14 07:10:23,731 INFO L153 SettingsManager]: * Command for external solver=cvc5 --incremental --print-success --lang smt [2024-10-14 07:10:23,731 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 07:10:23,731 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 07:10:23,732 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 07:10:23,732 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 07:10:23,733 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-14 07:10:23,734 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3ac6f8d68dfadee83df50cc30cff5b03f705d6e7b992071314ad032158be302 [2024-10-14 07:10:24,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 07:10:24,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 07:10:24,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 07:10:24,104 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 07:10:24,105 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 07:10:24,106 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p1.c [2024-10-14 07:10:25,665 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 07:10:25,935 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 07:10:25,936 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p1.c [2024-10-14 07:10:25,956 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e674571a/368c75658fd24c2d9ddc75e440343d45/FLAG3cb7cc4bf [2024-10-14 07:10:25,969 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e674571a/368c75658fd24c2d9ddc75e440343d45 [2024-10-14 07:10:25,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 07:10:25,973 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 07:10:25,975 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 07:10:25,975 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 07:10:25,979 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 07:10:25,980 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:10:25" (1/1) ... [2024-10-14 07:10:25,981 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4829aaf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:25, skipping insertion in model container [2024-10-14 07:10:25,981 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:10:25" (1/1) ... [2024-10-14 07:10:26,040 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 07:10:26,233 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p1.c[1260,1273] [2024-10-14 07:10:26,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 07:10:26,523 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 07:10:26,533 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p1.c[1260,1273] [2024-10-14 07:10:26,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 07:10:26,634 INFO L204 MainTranslator]: Completed translation [2024-10-14 07:10:26,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:26 WrapperNode [2024-10-14 07:10:26,634 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 07:10:26,635 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 07:10:26,636 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 07:10:26,636 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 07:10:26,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:26" (1/1) ... [2024-10-14 07:10:26,689 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:26" (1/1) ... [2024-10-14 07:10:26,793 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1783 [2024-10-14 07:10:26,794 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 07:10:26,795 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 07:10:26,795 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 07:10:26,795 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 07:10:26,803 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:26" (1/1) ... [2024-10-14 07:10:26,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:26" (1/1) ... [2024-10-14 07:10:26,813 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:26" (1/1) ... [2024-10-14 07:10:26,836 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 07:10:26,836 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:26" (1/1) ... [2024-10-14 07:10:26,836 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:26" (1/1) ... [2024-10-14 07:10:26,865 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:26" (1/1) ... [2024-10-14 07:10:26,870 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:26" (1/1) ... [2024-10-14 07:10:26,876 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:26" (1/1) ... [2024-10-14 07:10:26,883 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:26" (1/1) ... [2024-10-14 07:10:26,896 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 07:10:26,897 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 07:10:26,897 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 07:10:26,897 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 07:10:26,898 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:26" (1/1) ... [2024-10-14 07:10:26,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 07:10:26,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 07:10:26,940 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 07:10:26,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 07:10:26,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 07:10:26,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-14 07:10:26,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 07:10:26,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 07:10:27,240 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 07:10:27,244 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 07:10:28,600 INFO L? ?]: Removed 91 outVars from TransFormulas that were not future-live. [2024-10-14 07:10:28,601 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 07:10:28,694 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 07:10:28,694 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 07:10:28,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:10:28 BoogieIcfgContainer [2024-10-14 07:10:28,694 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 07:10:28,695 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 07:10:28,696 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 07:10:28,700 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 07:10:28,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:10:25" (1/3) ... [2024-10-14 07:10:28,701 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@346c3e80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:10:28, skipping insertion in model container [2024-10-14 07:10:28,701 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:10:26" (2/3) ... [2024-10-14 07:10:28,702 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@346c3e80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:10:28, skipping insertion in model container [2024-10-14 07:10:28,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:10:28" (3/3) ... [2024-10-14 07:10:28,703 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_am2910_p1.c [2024-10-14 07:10:28,716 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 07:10:28,716 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 07:10:28,763 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 07:10:28,769 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;@73912a59, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 07:10:28,769 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 07:10:28,772 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 07:10:28,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-14 07:10:28,777 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:10:28,778 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-14 07:10:28,778 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:10:28,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:10:28,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1614770, now seen corresponding path program 1 times [2024-10-14 07:10:28,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 07:10:28,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1134079517] [2024-10-14 07:10:28,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:10:28,793 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 07:10:28,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 07:10:28,797 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 07:10:28,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-14 07:10:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:10:29,155 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-10-14 07:10:29,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 07:10:29,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 07:10:29,419 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 07:10:29,419 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 07:10:29,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1134079517] [2024-10-14 07:10:29,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1134079517] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:10:29,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:10:29,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 07:10:29,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7935571] [2024-10-14 07:10:29,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:10:29,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 07:10:29,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 07:10:29,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 07:10:29,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 07:10:29,444 INFO L87 Difference]: Start difference. First operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 07:10:29,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:10:29,573 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2024-10-14 07:10:29,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 07:10:29,576 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2024-10-14 07:10:29,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:10:29,581 INFO L225 Difference]: With dead ends: 15 [2024-10-14 07:10:29,582 INFO L226 Difference]: Without dead ends: 9 [2024-10-14 07:10:29,583 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 07:10:29,586 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 07:10:29,586 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 07:10:29,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-10-14 07:10:29,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2024-10-14 07:10:29,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 07:10:29,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-10-14 07:10:29,638 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2024-10-14 07:10:29,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:10:29,639 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2024-10-14 07:10:29,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 07:10:29,639 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-10-14 07:10:29,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-14 07:10:29,640 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:10:29,640 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-10-14 07:10:29,649 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-14 07:10:29,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 07:10:29,845 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:10:29,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:10:29,846 INFO L85 PathProgramCache]: Analyzing trace with hash 865745430, now seen corresponding path program 1 times [2024-10-14 07:10:29,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 07:10:29,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1654038756] [2024-10-14 07:10:29,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:10:29,847 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 07:10:29,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 07:10:29,849 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 07:10:29,851 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-14 07:10:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:10:30,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-10-14 07:10:30,351 INFO L278 TraceCheckSpWp]: Computing forward predicates...