./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p15.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p15.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 52bb3902ccaac92ca995ec60bcedc54784c82a6cab90a6a11e201a4e0de664cb --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 18:20:28,377 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 18:20:28,430 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-18 18:20:28,436 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 18:20:28,437 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 18:20:28,460 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 18:20:28,460 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 18:20:28,460 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 18:20:28,461 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 18:20:28,461 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 18:20:28,461 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 18:20:28,462 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 18:20:28,462 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 18:20:28,462 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 18:20:28,462 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 18:20:28,463 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 18:20:28,463 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 18:20:28,467 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-18 18:20:28,467 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 18:20:28,467 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 18:20:28,468 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 18:20:28,468 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 18:20:28,468 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 18:20:28,468 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 18:20:28,468 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 18:20:28,469 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 18:20:28,469 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 18:20:28,469 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 18:20:28,469 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 18:20:28,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 18:20:28,470 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 18:20:28,470 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 18:20:28,470 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 18:20:28,470 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-18 18:20:28,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-18 18:20:28,471 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 18:20:28,471 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 18:20:28,471 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 18:20:28,471 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 18:20:28,471 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52bb3902ccaac92ca995ec60bcedc54784c82a6cab90a6a11e201a4e0de664cb [2024-11-18 18:20:28,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 18:20:28,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 18:20:28,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 18:20:28,692 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 18:20:28,693 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 18:20:28,694 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p15.c [2024-11-18 18:20:29,925 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 18:20:30,169 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 18:20:30,170 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p15.c [2024-11-18 18:20:30,181 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c04969ed/8e71a4842d034e49b5bf4c230af2ba92/FLAGf754be70e [2024-11-18 18:20:30,192 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c04969ed/8e71a4842d034e49b5bf4c230af2ba92 [2024-11-18 18:20:30,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 18:20:30,195 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 18:20:30,196 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 18:20:30,196 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 18:20:30,200 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 18:20:30,200 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:20:30" (1/1) ... [2024-11-18 18:20:30,201 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3989e60c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:20:30, skipping insertion in model container [2024-11-18 18:20:30,201 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:20:30" (1/1) ... [2024-11-18 18:20:30,238 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 18:20:30,405 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p15.c[1259,1272] [2024-11-18 18:20:30,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 18:20:30,620 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 18:20:30,630 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p15.c[1259,1272] [2024-11-18 18:20:30,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 18:20:30,713 INFO L204 MainTranslator]: Completed translation [2024-11-18 18:20:30,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:20:30 WrapperNode [2024-11-18 18:20:30,714 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 18:20:30,715 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 18:20:30,715 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 18:20:30,715 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 18:20:30,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:20:30" (1/1) ... [2024-11-18 18:20:30,759 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:20:30" (1/1) ... [2024-11-18 18:20:30,998 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2149 [2024-11-18 18:20:30,999 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 18:20:31,000 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 18:20:31,000 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 18:20:31,000 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 18:20:31,009 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:20:30" (1/1) ... [2024-11-18 18:20:31,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:20:30" (1/1) ... [2024-11-18 18:20:31,059 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:20:30" (1/1) ... [2024-11-18 18:20:31,131 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]. [2024-11-18 18:20:31,131 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:20:30" (1/1) ... [2024-11-18 18:20:31,131 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:20:30" (1/1) ... [2024-11-18 18:20:31,201 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:20:30" (1/1) ... [2024-11-18 18:20:31,216 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:20:30" (1/1) ... [2024-11-18 18:20:31,234 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:20:30" (1/1) ... [2024-11-18 18:20:31,247 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:20:30" (1/1) ... [2024-11-18 18:20:31,272 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 18:20:31,274 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 18:20:31,274 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 18:20:31,274 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 18:20:31,275 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:20:30" (1/1) ... [2024-11-18 18:20:31,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 18:20:31,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 18:20:31,311 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-18 18:20:31,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-18 18:20:31,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 18:20:31,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-18 18:20:31,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 18:20:31,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 18:20:31,601 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 18:20:31,604 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 18:20:33,302 INFO L? ?]: Removed 1344 outVars from TransFormulas that were not future-live. [2024-11-18 18:20:33,302 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 18:20:33,325 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 18:20:33,326 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 18:20:33,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:20:33 BoogieIcfgContainer [2024-11-18 18:20:33,330 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 18:20:33,332 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 18:20:33,332 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 18:20:33,335 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 18:20:33,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:20:30" (1/3) ... [2024-11-18 18:20:33,336 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17865b1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:20:33, skipping insertion in model container [2024-11-18 18:20:33,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:20:30" (2/3) ... [2024-11-18 18:20:33,337 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17865b1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:20:33, skipping insertion in model container [2024-11-18 18:20:33,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:20:33" (3/3) ... [2024-11-18 18:20:33,338 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p15.c [2024-11-18 18:20:33,359 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 18:20:33,360 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 18:20:33,440 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 18:20:33,446 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;@2bc31a8b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 18:20:33,446 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 18:20:33,451 INFO L276 IsEmpty]: Start isEmpty. Operand has 543 states, 541 states have (on average 1.4990757855822552) internal successors, (811), 542 states have internal predecessors, (811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 18:20:33,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-18 18:20:33,457 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 18:20:33,458 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, 1, 1, 1, 1, 1] [2024-11-18 18:20:33,458 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 18:20:33,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 18:20:33,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1728403634, now seen corresponding path program 1 times [2024-11-18 18:20:33,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 18:20:33,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409299127] [2024-11-18 18:20:33,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 18:20:33,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 18:20:33,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 18:20:34,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 18:20:34,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 18:20:34,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409299127] [2024-11-18 18:20:34,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409299127] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 18:20:34,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 18:20:34,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 18:20:34,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120268477] [2024-11-18 18:20:34,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 18:20:34,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 18:20:34,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 18:20:34,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 18:20:34,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 18:20:34,071 INFO L87 Difference]: Start difference. First operand has 543 states, 541 states have (on average 1.4990757855822552) internal successors, (811), 542 states have internal predecessors, (811), 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 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 18:20:34,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 18:20:34,166 INFO L93 Difference]: Finished difference Result 1031 states and 1543 transitions. [2024-11-18 18:20:34,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 18:20:34,170 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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 45 [2024-11-18 18:20:34,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 18:20:34,183 INFO L225 Difference]: With dead ends: 1031 [2024-11-18 18:20:34,183 INFO L226 Difference]: Without dead ends: 542 [2024-11-18 18:20:34,188 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 [2024-11-18 18:20:34,192 INFO L432 NwaCegarLoop]: 805 mSDtfsCounter, 0 mSDsluCounter, 1604 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2409 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 18:20:34,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2409 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 18:20:34,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2024-11-18 18:20:34,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 542. [2024-11-18 18:20:34,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 541 states have (on average 1.4953789279112755) internal successors, (809), 541 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 18:20:34,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 809 transitions. [2024-11-18 18:20:34,253 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 809 transitions. Word has length 45 [2024-11-18 18:20:34,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 18:20:34,253 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 809 transitions. [2024-11-18 18:20:34,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 18:20:34,254 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 809 transitions. [2024-11-18 18:20:34,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-18 18:20:34,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 18:20:34,255 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, 1, 1, 1, 1, 1, 1] [2024-11-18 18:20:34,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-18 18:20:34,256 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 18:20:34,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 18:20:34,256 INFO L85 PathProgramCache]: Analyzing trace with hash 2042600515, now seen corresponding path program 1 times [2024-11-18 18:20:34,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 18:20:34,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13399773] [2024-11-18 18:20:34,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 18:20:34,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 18:20:34,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 18:20:34,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 18:20:34,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 18:20:34,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13399773] [2024-11-18 18:20:34,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13399773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 18:20:34,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 18:20:34,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 18:20:34,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033301643] [2024-11-18 18:20:34,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 18:20:34,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 18:20:34,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 18:20:34,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 18:20:34,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 18:20:34,452 INFO L87 Difference]: Start difference. First operand 542 states and 809 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 18:20:34,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 18:20:34,502 INFO L93 Difference]: Finished difference Result 1032 states and 1541 transitions. [2024-11-18 18:20:34,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 18:20:34,503 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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 46 [2024-11-18 18:20:34,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 18:20:34,506 INFO L225 Difference]: With dead ends: 1032 [2024-11-18 18:20:34,506 INFO L226 Difference]: Without dead ends: 544 [2024-11-18 18:20:34,506 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 [2024-11-18 18:20:34,509 INFO L432 NwaCegarLoop]: 805 mSDtfsCounter, 0 mSDsluCounter, 1600 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2405 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 18:20:34,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2405 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 18:20:34,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2024-11-18 18:20:34,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 544. [2024-11-18 18:20:34,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 543 states have (on average 1.4935543278084715) internal successors, (811), 543 states have internal predecessors, (811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 18:20:34,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 811 transitions. [2024-11-18 18:20:34,524 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 811 transitions. Word has length 46 [2024-11-18 18:20:34,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 18:20:34,524 INFO L471 AbstractCegarLoop]: Abstraction has 544 states and 811 transitions. [2024-11-18 18:20:34,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 18:20:34,524 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 811 transitions. [2024-11-18 18:20:34,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-18 18:20:34,525 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 18:20:34,525 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 18:20:34,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-18 18:20:34,526 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 18:20:34,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 18:20:34,526 INFO L85 PathProgramCache]: Analyzing trace with hash 2093108139, now seen corresponding path program 1 times [2024-11-18 18:20:34,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 18:20:34,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296795025] [2024-11-18 18:20:34,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 18:20:34,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 18:20:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 18:20:34,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 18:20:34,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 18:20:34,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296795025] [2024-11-18 18:20:34,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296795025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 18:20:34,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 18:20:34,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 18:20:34,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658598868] [2024-11-18 18:20:34,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 18:20:34,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 18:20:34,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 18:20:34,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 18:20:34,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 18:20:34,852 INFO L87 Difference]: Start difference. First operand 544 states and 811 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 18:20:34,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 18:20:34,883 INFO L93 Difference]: Finished difference Result 1038 states and 1548 transitions. [2024-11-18 18:20:34,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 18:20:34,884 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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 47 [2024-11-18 18:20:34,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 18:20:34,886 INFO L225 Difference]: With dead ends: 1038 [2024-11-18 18:20:34,886 INFO L226 Difference]: Without dead ends: 548 [2024-11-18 18:20:34,887 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 [2024-11-18 18:20:34,888 INFO L432 NwaCegarLoop]: 802 mSDtfsCounter, 2 mSDsluCounter, 1597 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2399 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 18:20:34,888 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2399 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 18:20:34,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2024-11-18 18:20:34,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 546. [2024-11-18 18:20:34,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 545 states have (on average 1.491743119266055) internal successors, (813), 545 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 18:20:34,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 813 transitions. [2024-11-18 18:20:34,897 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 813 transitions. Word has length 47 [2024-11-18 18:20:34,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 18:20:34,898 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 813 transitions. [2024-11-18 18:20:34,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 18:20:34,898 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 813 transitions. [2024-11-18 18:20:34,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-18 18:20:34,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 18:20:34,899 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 18:20:34,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-18 18:20:34,900 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 18:20:34,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 18:20:34,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1370729930, now seen corresponding path program 1 times [2024-11-18 18:20:34,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 18:20:34,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276649809] [2024-11-18 18:20:34,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 18:20:34,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 18:20:34,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 18:20:35,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 18:20:35,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 18:20:35,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276649809] [2024-11-18 18:20:35,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276649809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 18:20:35,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 18:20:35,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 18:20:35,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721285228] [2024-11-18 18:20:35,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 18:20:35,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 18:20:35,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 18:20:35,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 18:20:35,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 18:20:35,160 INFO L87 Difference]: Start difference. First operand 546 states and 813 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 18:20:35,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 18:20:35,218 INFO L93 Difference]: Finished difference Result 1042 states and 1552 transitions. [2024-11-18 18:20:35,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 18:20:35,218 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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 48 [2024-11-18 18:20:35,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 18:20:35,221 INFO L225 Difference]: With dead ends: 1042 [2024-11-18 18:20:35,221 INFO L226 Difference]: Without dead ends: 550 [2024-11-18 18:20:35,222 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 18:20:35,225 INFO L432 NwaCegarLoop]: 801 mSDtfsCounter, 1 mSDsluCounter, 3189 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 3990 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 18:20:35,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 3990 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 18:20:35,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2024-11-18 18:20:35,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 549. [2024-11-18 18:20:35,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 548 states have (on average 1.4908759124087592) internal successors, (817), 548 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 18:20:35,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 817 transitions. [2024-11-18 18:20:35,234 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 817 transitions. Word has length 48 [2024-11-18 18:20:35,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 18:20:35,235 INFO L471 AbstractCegarLoop]: Abstraction has 549 states and 817 transitions. [2024-11-18 18:20:35,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 18:20:35,235 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 817 transitions. [2024-11-18 18:20:35,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-18 18:20:35,238 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 18:20:35,238 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 18:20:35,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-18 18:20:35,238 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 18:20:35,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 18:20:35,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1515900049, now seen corresponding path program 1 times [2024-11-18 18:20:35,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 18:20:35,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231798914] [2024-11-18 18:20:35,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 18:20:35,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 18:20:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 18:20:35,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 18:20:35,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 18:20:35,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231798914] [2024-11-18 18:20:35,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231798914] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 18:20:35,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 18:20:35,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-18 18:20:35,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696977266] [2024-11-18 18:20:35,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 18:20:35,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-18 18:20:35,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 18:20:35,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-18 18:20:35,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 18:20:35,394 INFO L87 Difference]: Start difference. First operand 549 states and 817 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 18:20:35,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 18:20:35,433 INFO L93 Difference]: Finished difference Result 1050 states and 1563 transitions. [2024-11-18 18:20:35,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-18 18:20:35,434 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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 48 [2024-11-18 18:20:35,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 18:20:35,437 INFO L225 Difference]: With dead ends: 1050 [2024-11-18 18:20:35,437 INFO L226 Difference]: Without dead ends: 555 [2024-11-18 18:20:35,437 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-18 18:20:35,439 INFO L432 NwaCegarLoop]: 804 mSDtfsCounter, 4 mSDsluCounter, 2400 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3204 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 18:20:35,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3204 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 18:20:35,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2024-11-18 18:20:35,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 555. [2024-11-18 18:20:35,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 554 states have (on average 1.4891696750902528) internal successors, (825), 554 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 18:20:35,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 825 transitions. [2024-11-18 18:20:35,449 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 825 transitions. Word has length 48 [2024-11-18 18:20:35,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 18:20:35,450 INFO L471 AbstractCegarLoop]: Abstraction has 555 states and 825 transitions. [2024-11-18 18:20:35,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 18:20:35,450 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 825 transitions. [2024-11-18 18:20:35,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-18 18:20:35,453 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 18:20:35,453 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 18:20:35,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-18 18:20:35,453 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 18:20:35,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 18:20:35,455 INFO L85 PathProgramCache]: Analyzing trace with hash -327612963, now seen corresponding path program 1 times [2024-11-18 18:20:35,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 18:20:35,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370908070] [2024-11-18 18:20:35,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 18:20:35,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 18:20:35,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 18:20:35,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 18:20:35,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 18:20:35,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370908070] [2024-11-18 18:20:35,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370908070] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 18:20:35,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 18:20:35,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-18 18:20:35,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549354637] [2024-11-18 18:20:35,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 18:20:35,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-18 18:20:35,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 18:20:35,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-18 18:20:35,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-18 18:20:35,754 INFO L87 Difference]: Start difference. First operand 555 states and 825 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 18:20:35,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 18:20:35,931 INFO L93 Difference]: Finished difference Result 1252 states and 1857 transitions. [2024-11-18 18:20:35,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-18 18:20:35,931 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 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 49 [2024-11-18 18:20:35,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 18:20:35,934 INFO L225 Difference]: With dead ends: 1252 [2024-11-18 18:20:35,934 INFO L226 Difference]: Without dead ends: 751 [2024-11-18 18:20:35,936 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-18 18:20:35,936 INFO L432 NwaCegarLoop]: 786 mSDtfsCounter, 1343 mSDsluCounter, 2351 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1343 SdHoareTripleChecker+Valid, 3137 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 18:20:35,937 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1343 Valid, 3137 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 18:20:35,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2024-11-18 18:20:35,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 561. [2024-11-18 18:20:35,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 560 states have (on average 1.4875) internal successors, (833), 560 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 18:20:35,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 833 transitions. [2024-11-18 18:20:35,947 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 833 transitions. Word has length 49 [2024-11-18 18:20:35,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 18:20:35,948 INFO L471 AbstractCegarLoop]: Abstraction has 561 states and 833 transitions. [2024-11-18 18:20:35,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 18:20:35,948 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 833 transitions. [2024-11-18 18:20:35,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-18 18:20:35,949 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 18:20:35,949 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 18:20:35,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-18 18:20:35,949 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 18:20:35,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 18:20:35,950 INFO L85 PathProgramCache]: Analyzing trace with hash -137698584, now seen corresponding path program 1 times [2024-11-18 18:20:35,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 18:20:35,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25104687] [2024-11-18 18:20:35,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 18:20:35,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 18:20:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 18:20:36,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 18:20:36,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-18 18:20:36,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25104687] [2024-11-18 18:20:36,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25104687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 18:20:36,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 18:20:36,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-18 18:20:36,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168841428] [2024-11-18 18:20:36,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 18:20:36,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-18 18:20:36,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-18 18:20:36,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-18 18:20:36,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-18 18:20:36,412 INFO L87 Difference]: Start difference. First operand 561 states and 833 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 18:20:36,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 18:20:36,504 INFO L93 Difference]: Finished difference Result 1067 states and 1585 transitions. [2024-11-18 18:20:36,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-18 18:20:36,505 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 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 49 [2024-11-18 18:20:36,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 18:20:36,506 INFO L225 Difference]: With dead ends: 1067 [2024-11-18 18:20:36,506 INFO L226 Difference]: Without dead ends: 566 [2024-11-18 18:20:36,507 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-18 18:20:36,507 INFO L432 NwaCegarLoop]: 795 mSDtfsCounter, 778 mSDsluCounter, 3169 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 778 SdHoareTripleChecker+Valid, 3964 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-18 18:20:36,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [778 Valid, 3964 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-18 18:20:36,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2024-11-18 18:20:36,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 565. [2024-11-18 18:20:36,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 564 states have (on average 1.4858156028368794) internal successors, (838), 564 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 18:20:36,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 838 transitions. [2024-11-18 18:20:36,521 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 838 transitions. Word has length 49 [2024-11-18 18:20:36,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 18:20:36,522 INFO L471 AbstractCegarLoop]: Abstraction has 565 states and 838 transitions. [2024-11-18 18:20:36,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 18:20:36,522 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 838 transitions. [2024-11-18 18:20:36,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-18 18:20:36,523 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 18:20:36,523 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 18:20:36,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-18 18:20:36,523 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 18:20:36,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 18:20:36,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1590856553, now seen corresponding path program 1 times [2024-11-18 18:20:36,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-18 18:20:36,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427556272] [2024-11-18 18:20:36,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 18:20:36,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-18 18:20:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 18:20:36,566 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-18 18:20:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-18 18:20:36,657 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-18 18:20:36,658 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-18 18:20:36,659 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-18 18:20:36,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-18 18:20:36,662 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-18 18:20:36,717 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-18 18:20:36,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 06:20:36 BoogieIcfgContainer [2024-11-18 18:20:36,720 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-18 18:20:36,721 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-18 18:20:36,721 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-18 18:20:36,721 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-18 18:20:36,721 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:20:33" (3/4) ... [2024-11-18 18:20:36,723 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-18 18:20:36,724 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-18 18:20:36,724 INFO L158 Benchmark]: Toolchain (without parser) took 6529.29ms. Allocated memory was 180.4MB in the beginning and 436.2MB in the end (delta: 255.9MB). Free memory was 146.3MB in the beginning and 193.1MB in the end (delta: -46.7MB). Peak memory consumption was 210.8MB. Max. memory is 16.1GB. [2024-11-18 18:20:36,725 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 180.4MB. Free memory was 151.2MB in the beginning and 151.0MB in the end (delta: 243.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 18:20:36,725 INFO L158 Benchmark]: CACSL2BoogieTranslator took 518.48ms. Allocated memory is still 180.4MB. Free memory was 145.7MB in the beginning and 98.8MB in the end (delta: 46.8MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-11-18 18:20:36,725 INFO L158 Benchmark]: Boogie Procedure Inliner took 284.06ms. Allocated memory was 180.4MB in the beginning and 266.3MB in the end (delta: 86.0MB). Free memory was 98.8MB in the beginning and 196.2MB in the end (delta: -97.4MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. [2024-11-18 18:20:36,726 INFO L158 Benchmark]: Boogie Preprocessor took 272.71ms. Allocated memory is still 266.3MB. Free memory was 196.2MB in the beginning and 166.8MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-18 18:20:36,726 INFO L158 Benchmark]: RCFGBuilder took 2056.87ms. Allocated memory was 266.3MB in the beginning and 436.2MB in the end (delta: 169.9MB). Free memory was 166.8MB in the beginning and 353.9MB in the end (delta: -187.1MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. [2024-11-18 18:20:36,726 INFO L158 Benchmark]: TraceAbstraction took 3387.77ms. Allocated memory is still 436.2MB. Free memory was 353.9MB in the beginning and 193.1MB in the end (delta: 160.8MB). Peak memory consumption was 159.7MB. Max. memory is 16.1GB. [2024-11-18 18:20:36,726 INFO L158 Benchmark]: Witness Printer took 3.57ms. Allocated memory is still 436.2MB. Free memory is still 193.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-18 18:20:36,727 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 180.4MB. Free memory was 151.2MB in the beginning and 151.0MB in the end (delta: 243.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 518.48ms. Allocated memory is still 180.4MB. Free memory was 145.7MB in the beginning and 98.8MB in the end (delta: 46.8MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 284.06ms. Allocated memory was 180.4MB in the beginning and 266.3MB in the end (delta: 86.0MB). Free memory was 98.8MB in the beginning and 196.2MB in the end (delta: -97.4MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 272.71ms. Allocated memory is still 266.3MB. Free memory was 196.2MB in the beginning and 166.8MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2056.87ms. Allocated memory was 266.3MB in the beginning and 436.2MB in the end (delta: 169.9MB). Free memory was 166.8MB in the beginning and 353.9MB in the end (delta: -187.1MB). Peak memory consumption was 78.0MB. Max. memory is 16.1GB. * TraceAbstraction took 3387.77ms. Allocated memory is still 436.2MB. Free memory was 353.9MB in the beginning and 193.1MB in the end (delta: 160.8MB). Peak memory consumption was 159.7MB. Max. memory is 16.1GB. * Witness Printer took 3.57ms. Allocated memory is still 436.2MB. Free memory is still 193.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 175, overapproximation of bitwiseAnd at line 180. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 5); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (5 - 1); [L32] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 12); [L33] const SORT_5 msb_SORT_5 = (SORT_5)1 << (12 - 1); [L35] const SORT_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 3); [L36] const SORT_7 msb_SORT_7 = (SORT_7)1 << (3 - 1); [L38] const SORT_20 mask_SORT_20 = (SORT_20)-1 >> (sizeof(SORT_20) * 8 - 2); [L39] const SORT_20 msb_SORT_20 = (SORT_20)1 << (2 - 1); [L41] const SORT_85 mask_SORT_85 = (SORT_85)-1 >> (sizeof(SORT_85) * 8 - 4); [L42] const SORT_85 msb_SORT_85 = (SORT_85)1 << (4 - 1); [L44] const SORT_150 mask_SORT_150 = (SORT_150)-1 >> (sizeof(SORT_150) * 8 - 32); [L45] const SORT_150 msb_SORT_150 = (SORT_150)1 << (32 - 1); [L47] const SORT_7 var_8 = 0; [L48] const SORT_7 var_11 = 4; [L49] const SORT_5 var_13 = 0; [L50] const SORT_7 var_17 = 2; [L51] const SORT_20 var_22 = 0; [L52] const SORT_3 var_26 = 0; [L53] const SORT_1 var_35 = 1; [L54] const SORT_1 var_43 = 0; [L55] const SORT_7 var_60 = 1; [L56] const SORT_7 var_66 = 5; [L57] const SORT_7 var_70 = 3; [L58] const SORT_7 var_102 = 7; [L59] const SORT_7 var_107 = 6; [L60] const SORT_150 var_152 = 0; [L61] const SORT_3 var_167 = 2; [L62] const SORT_3 var_184 = 31; [L64] SORT_1 input_2; [L65] SORT_3 input_4; [L66] SORT_5 input_6; [L67] SORT_3 input_173; [L68] SORT_3 input_174; [L69] SORT_3 input_175; [L70] SORT_3 input_183; [L71] SORT_3 input_193; [L72] SORT_3 input_194; [L73] SORT_3 input_195; [L74] SORT_3 input_198; [L75] SORT_3 input_217; [L76] SORT_3 input_218; [L77] SORT_3 input_219; [L78] SORT_3 input_222; [L79] SORT_3 input_224; [L80] SORT_20 input_238; [L81] SORT_20 input_239; [L82] SORT_20 input_240; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_7 VAL [mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_5=4095, mask_SORT_7=7, mask_SORT_85=15, var_102=7, var_107=6, var_11=4, var_13=0, var_152=0, var_167=2, var_17=2, var_184=31, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L84] SORT_7 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_7; [L85] EXPR __VERIFIER_nondet_ushort() & mask_SORT_5 VAL [mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_7=7, mask_SORT_85=15, var_102=7, var_107=6, var_11=4, var_13=0, var_152=0, var_167=2, var_17=2, var_184=31, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L85] SORT_5 state_14 = __VERIFIER_nondet_ushort() & mask_SORT_5; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_7=7, mask_SORT_85=15, var_102=7, var_107=6, var_11=4, var_13=0, var_152=0, var_167=2, var_17=2, var_184=31, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L86] SORT_3 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_7=7, mask_SORT_85=15, var_102=7, var_107=6, var_11=4, var_13=0, var_152=0, var_167=2, var_17=2, var_184=31, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L87] SORT_3 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_7=7, mask_SORT_85=15, var_102=7, var_107=6, var_11=4, var_13=0, var_152=0, var_167=2, var_17=2, var_184=31, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L88] SORT_3 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_7=7, mask_SORT_85=15, var_102=7, var_107=6, var_11=4, var_13=0, var_152=0, var_167=2, var_17=2, var_184=31, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L89] SORT_3 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_7=7, mask_SORT_85=15, var_102=7, var_107=6, var_11=4, var_13=0, var_152=0, var_167=2, var_17=2, var_184=31, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L90] SORT_1 state_44 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_7=7, mask_SORT_85=15, var_102=7, var_107=6, var_11=4, var_13=0, var_152=0, var_167=2, var_17=2, var_184=31, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L91] SORT_3 state_46 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_7=7, mask_SORT_85=15, var_102=7, var_107=6, var_11=4, var_13=0, var_152=0, var_167=2, var_17=2, var_184=31, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L92] SORT_3 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_7=7, mask_SORT_85=15, var_102=7, var_107=6, var_11=4, var_13=0, var_152=0, var_167=2, var_17=2, var_184=31, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L93] SORT_3 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_7=7, mask_SORT_85=15, var_102=7, var_107=6, var_11=4, var_13=0, var_152=0, var_167=2, var_17=2, var_184=31, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L94] SORT_3 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_7=7, mask_SORT_85=15, var_102=7, var_107=6, var_11=4, var_13=0, var_152=0, var_167=2, var_17=2, var_184=31, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L95] SORT_3 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_7=7, mask_SORT_85=15, var_102=7, var_107=6, var_11=4, var_13=0, var_152=0, var_167=2, var_17=2, var_184=31, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L96] SORT_3 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L98] SORT_7 init_10_arg_1 = var_8; [L99] state_9 = init_10_arg_1 [L100] SORT_5 init_15_arg_1 = var_13; [L101] state_14 = init_15_arg_1 [L102] SORT_3 init_28_arg_1 = var_26; [L103] state_27 = init_28_arg_1 [L104] SORT_3 init_30_arg_1 = var_26; [L105] state_29 = init_30_arg_1 [L106] SORT_3 init_40_arg_1 = var_26; [L107] state_39 = init_40_arg_1 [L108] SORT_3 init_42_arg_1 = var_26; [L109] state_41 = init_42_arg_1 [L110] SORT_1 init_45_arg_1 = var_43; [L111] state_44 = init_45_arg_1 [L112] SORT_3 init_47_arg_1 = var_26; [L113] state_46 = init_47_arg_1 [L114] SORT_3 init_49_arg_1 = var_26; [L115] state_48 = init_49_arg_1 [L116] SORT_3 init_51_arg_1 = var_26; [L117] state_50 = init_51_arg_1 [L118] SORT_3 init_53_arg_1 = var_26; [L119] state_52 = init_53_arg_1 [L120] SORT_3 init_55_arg_1 = var_26; [L121] state_54 = init_55_arg_1 [L122] SORT_3 init_57_arg_1 = var_26; [L123] state_56 = init_57_arg_1 VAL [mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_7=7, mask_SORT_85=15, state_14=0, state_27=0, state_29=0, state_39=0, state_41=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_9=0, var_102=7, var_107=6, var_11=4, var_152=0, var_167=2, var_17=2, var_184=31, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L126] input_2 = __VERIFIER_nondet_uchar() [L127] input_4 = __VERIFIER_nondet_uchar() [L128] input_6 = __VERIFIER_nondet_ushort() [L129] input_173 = __VERIFIER_nondet_uchar() [L130] input_174 = __VERIFIER_nondet_uchar() [L131] input_175 = __VERIFIER_nondet_uchar() [L132] input_183 = __VERIFIER_nondet_uchar() [L133] input_193 = __VERIFIER_nondet_uchar() [L134] input_194 = __VERIFIER_nondet_uchar() [L135] input_195 = __VERIFIER_nondet_uchar() [L136] input_198 = __VERIFIER_nondet_uchar() [L137] input_217 = __VERIFIER_nondet_uchar() [L138] input_218 = __VERIFIER_nondet_uchar() [L139] input_219 = __VERIFIER_nondet_uchar() [L140] input_222 = __VERIFIER_nondet_uchar() [L141] input_224 = __VERIFIER_nondet_uchar() [L142] input_238 = __VERIFIER_nondet_uchar() [L143] input_239 = __VERIFIER_nondet_uchar() [L144] input_240 = __VERIFIER_nondet_uchar() [L147] SORT_7 var_12_arg_0 = state_9; [L148] SORT_7 var_12_arg_1 = var_11; [L149] SORT_1 var_12 = var_12_arg_0 == var_12_arg_1; [L150] SORT_5 var_16_arg_0 = state_14; [L151] SORT_7 var_16 = var_16_arg_0 >> 9; VAL [mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_7=7, mask_SORT_85=15, state_14=0, state_27=0, state_29=0, state_39=0, state_41=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_9=0, var_102=7, var_107=6, var_11=4, var_12=0, var_152=0, var_167=2, var_16=0, var_17=2, var_184=31, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L152] EXPR var_16 & mask_SORT_7 VAL [mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_7=7, mask_SORT_85=15, state_14=0, state_27=0, state_29=0, state_39=0, state_41=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_9=0, var_102=7, var_107=6, var_11=4, var_12=0, var_152=0, var_167=2, var_17=2, var_184=31, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L152] var_16 = var_16 & mask_SORT_7 [L153] SORT_7 var_18_arg_0 = var_16; [L154] SORT_7 var_18_arg_1 = var_17; [L155] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L156] SORT_1 var_19_arg_0 = var_12; [L157] SORT_1 var_19_arg_1 = var_18; VAL [mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_7=7, mask_SORT_85=15, state_14=0, state_27=0, state_29=0, state_39=0, state_41=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_9=0, var_102=7, var_107=6, var_11=4, var_152=0, var_167=2, var_16=0, var_17=2, var_184=31, var_18=0, var_19_arg_0=0, var_19_arg_1=0, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L158] EXPR var_19_arg_0 & var_19_arg_1 VAL [mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_7=7, mask_SORT_85=15, state_14=0, state_27=0, state_29=0, state_39=0, state_41=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_9=0, var_102=7, var_107=6, var_11=4, var_152=0, var_167=2, var_16=0, var_17=2, var_184=31, var_18=0, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L158] SORT_1 var_19 = var_19_arg_0 & var_19_arg_1; [L159] SORT_5 var_21_arg_0 = state_14; [L160] SORT_20 var_21 = var_21_arg_0 >> 7; VAL [mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_7=7, mask_SORT_85=15, state_14=0, state_27=0, state_29=0, state_39=0, state_41=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_9=0, var_102=7, var_107=6, var_11=4, var_152=0, var_167=2, var_16=0, var_17=2, var_184=31, var_18=0, var_19=0, var_21=0, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L161] EXPR var_21 & mask_SORT_20 VAL [mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_7=7, mask_SORT_85=15, state_14=0, state_27=0, state_29=0, state_39=0, state_41=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_9=0, var_102=7, var_107=6, var_11=4, var_152=0, var_167=2, var_16=0, var_17=2, var_184=31, var_18=0, var_19=0, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L161] var_21 = var_21 & mask_SORT_20 [L162] SORT_20 var_23_arg_0 = var_21; [L163] SORT_20 var_23_arg_1 = var_22; [L164] SORT_1 var_23 = var_23_arg_0 == var_23_arg_1; [L165] SORT_1 var_24_arg_0 = var_19; [L166] SORT_1 var_24_arg_1 = var_23; VAL [mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_7=7, mask_SORT_85=15, state_14=0, state_27=0, state_29=0, state_39=0, state_41=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_9=0, var_102=7, var_107=6, var_11=4, var_152=0, var_167=2, var_16=0, var_17=2, var_184=31, var_18=0, var_22=0, var_24_arg_0=0, var_24_arg_1=1, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L167] EXPR var_24_arg_0 & var_24_arg_1 VAL [mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_7=7, mask_SORT_85=15, state_14=0, state_27=0, state_29=0, state_39=0, state_41=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_9=0, var_102=7, var_107=6, var_11=4, var_152=0, var_167=2, var_16=0, var_17=2, var_184=31, var_18=0, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L167] SORT_1 var_24 = var_24_arg_0 & var_24_arg_1; [L168] SORT_1 var_25_arg_0 = var_24; [L169] SORT_1 var_25 = ~var_25_arg_0; [L170] SORT_3 var_31_arg_0 = state_27; [L171] SORT_3 var_31_arg_1 = state_29; [L172] SORT_1 var_31 = var_31_arg_0 == var_31_arg_1; [L173] SORT_1 var_32_arg_0 = var_25; [L174] SORT_1 var_32_arg_1 = var_31; VAL [mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_7=7, mask_SORT_85=15, state_14=0, state_27=0, state_29=0, state_39=0, state_41=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_9=0, var_102=7, var_107=6, var_11=4, var_152=0, var_167=2, var_16=0, var_17=2, var_184=31, var_18=0, var_22=0, var_26=0, var_32_arg_0=-1, var_32_arg_1=1, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L175] EXPR var_32_arg_0 | var_32_arg_1 VAL [mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_7=7, mask_SORT_85=15, state_14=0, state_27=0, state_29=0, state_39=0, state_41=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_9=0, var_102=7, var_107=6, var_11=4, var_152=0, var_167=2, var_16=0, var_17=2, var_184=31, var_18=0, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L175] SORT_1 var_32 = var_32_arg_0 | var_32_arg_1; [L176] SORT_1 var_36_arg_0 = var_32; [L177] SORT_1 var_36 = ~var_36_arg_0; [L178] SORT_1 var_37_arg_0 = var_35; [L179] SORT_1 var_37_arg_1 = var_36; VAL [mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_7=7, mask_SORT_85=15, state_14=0, state_27=0, state_29=0, state_39=0, state_41=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_9=0, var_102=7, var_107=6, var_11=4, var_152=0, var_167=2, var_16=0, var_17=2, var_184=31, var_18=0, var_22=0, var_26=0, var_35=1, var_37_arg_0=1, var_37_arg_1=-1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L180] EXPR var_37_arg_0 & var_37_arg_1 VAL [mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_7=7, mask_SORT_85=15, state_14=0, state_27=0, state_29=0, state_39=0, state_41=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_9=0, var_102=7, var_107=6, var_11=4, var_152=0, var_167=2, var_16=0, var_17=2, var_184=31, var_18=0, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L180] SORT_1 var_37 = var_37_arg_0 & var_37_arg_1; [L181] EXPR var_37 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_20=3, mask_SORT_3=31, mask_SORT_7=7, mask_SORT_85=15, state_14=0, state_27=0, state_29=0, state_39=0, state_41=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_9=0, var_102=7, var_107=6, var_11=4, var_152=0, var_167=2, var_16=0, var_17=2, var_184=31, var_18=0, var_22=0, var_26=0, var_35=1, var_43=0, var_60=1, var_66=5, var_70=3, var_8=0] [L181] var_37 = var_37 & mask_SORT_1 [L182] SORT_1 bad_38_arg_0 = var_37; [L183] CALL __VERIFIER_assert(!(bad_38_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 543 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2128 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2128 mSDsluCounter, 21508 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15910 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 276 IncrementalHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 5598 mSDtfsCounter, 276 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=565occurred in iteration=7, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 194 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 382 NumberOfCodeBlocks, 382 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 325 ConstructedInterpolants, 0 QuantifiedInterpolants, 722 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 [2024-11-18 18:20:36,758 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- 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/11.0.12-open/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 ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p15.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 52bb3902ccaac92ca995ec60bcedc54784c82a6cab90a6a11e201a4e0de664cb --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-18 18:20:38,681 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-18 18:20:38,746 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-18 18:20:38,751 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-18 18:20:38,752 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-18 18:20:38,779 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-18 18:20:38,781 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-18 18:20:38,782 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-18 18:20:38,782 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-18 18:20:38,783 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-18 18:20:38,783 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-18 18:20:38,784 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-18 18:20:38,784 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-18 18:20:38,784 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-18 18:20:38,785 INFO L153 SettingsManager]: * Use SBE=true [2024-11-18 18:20:38,786 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-18 18:20:38,786 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-18 18:20:38,786 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-18 18:20:38,786 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-18 18:20:38,787 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-18 18:20:38,787 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-18 18:20:38,790 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-18 18:20:38,790 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-18 18:20:38,790 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-18 18:20:38,790 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-18 18:20:38,790 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-18 18:20:38,790 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-18 18:20:38,791 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-18 18:20:38,791 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-18 18:20:38,791 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-18 18:20:38,791 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-18 18:20:38,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 18:20:38,791 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-18 18:20:38,792 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-18 18:20:38,792 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-18 18:20:38,792 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-18 18:20:38,792 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-18 18:20:38,792 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-18 18:20:38,792 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-18 18:20:38,793 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-18 18:20:38,793 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-18 18:20:38,793 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52bb3902ccaac92ca995ec60bcedc54784c82a6cab90a6a11e201a4e0de664cb [2024-11-18 18:20:39,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-18 18:20:39,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-18 18:20:39,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-18 18:20:39,090 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-18 18:20:39,090 INFO L274 PluginConnector]: CDTParser initialized [2024-11-18 18:20:39,091 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p15.c [2024-11-18 18:20:40,325 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-18 18:20:40,565 INFO L384 CDTParser]: Found 1 translation units. [2024-11-18 18:20:40,566 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p15.c [2024-11-18 18:20:40,577 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/693c08767/e1cae30dcb854d74979ada8366884399/FLAGc4c7b0ad4 [2024-11-18 18:20:40,593 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/693c08767/e1cae30dcb854d74979ada8366884399 [2024-11-18 18:20:40,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-18 18:20:40,597 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-18 18:20:40,599 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-18 18:20:40,600 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-18 18:20:40,604 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-18 18:20:40,604 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:20:40" (1/1) ... [2024-11-18 18:20:40,606 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58910d6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:20:40, skipping insertion in model container [2024-11-18 18:20:40,606 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:20:40" (1/1) ... [2024-11-18 18:20:40,648 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-18 18:20:40,820 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p15.c[1259,1272] [2024-11-18 18:20:41,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 18:20:41,026 INFO L200 MainTranslator]: Completed pre-run [2024-11-18 18:20:41,042 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p15.c[1259,1272] [2024-11-18 18:20:41,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-18 18:20:41,156 INFO L204 MainTranslator]: Completed translation [2024-11-18 18:20:41,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:20:41 WrapperNode [2024-11-18 18:20:41,157 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-18 18:20:41,157 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-18 18:20:41,157 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-18 18:20:41,158 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-18 18:20:41,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:20:41" (1/1) ... [2024-11-18 18:20:41,189 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:20:41" (1/1) ... [2024-11-18 18:20:41,245 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1083 [2024-11-18 18:20:41,245 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-18 18:20:41,246 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-18 18:20:41,246 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-18 18:20:41,246 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-18 18:20:41,261 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:20:41" (1/1) ... [2024-11-18 18:20:41,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:20:41" (1/1) ... [2024-11-18 18:20:41,273 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:20:41" (1/1) ... [2024-11-18 18:20:41,308 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]. [2024-11-18 18:20:41,308 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:20:41" (1/1) ... [2024-11-18 18:20:41,308 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:20:41" (1/1) ... [2024-11-18 18:20:41,331 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:20:41" (1/1) ... [2024-11-18 18:20:41,334 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:20:41" (1/1) ... [2024-11-18 18:20:41,342 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:20:41" (1/1) ... [2024-11-18 18:20:41,346 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:20:41" (1/1) ... [2024-11-18 18:20:41,354 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-18 18:20:41,358 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-18 18:20:41,358 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-18 18:20:41,358 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-18 18:20:41,363 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:20:41" (1/1) ... [2024-11-18 18:20:41,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-18 18:20:41,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-18 18:20:41,394 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-18 18:20:41,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-18 18:20:41,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-18 18:20:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-18 18:20:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-18 18:20:41,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-18 18:20:41,642 INFO L238 CfgBuilder]: Building ICFG [2024-11-18 18:20:41,643 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-18 18:20:42,788 INFO L? ?]: Removed 77 outVars from TransFormulas that were not future-live. [2024-11-18 18:20:42,788 INFO L287 CfgBuilder]: Performing block encoding [2024-11-18 18:20:42,798 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-18 18:20:42,799 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-18 18:20:42,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:20:42 BoogieIcfgContainer [2024-11-18 18:20:42,800 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-18 18:20:42,802 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-18 18:20:42,803 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-18 18:20:42,805 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-18 18:20:42,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:20:40" (1/3) ... [2024-11-18 18:20:42,806 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@538c81bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:20:42, skipping insertion in model container [2024-11-18 18:20:42,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:20:41" (2/3) ... [2024-11-18 18:20:42,807 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@538c81bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:20:42, skipping insertion in model container [2024-11-18 18:20:42,807 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:20:42" (3/3) ... [2024-11-18 18:20:42,808 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p15.c [2024-11-18 18:20:42,822 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-18 18:20:42,822 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-18 18:20:42,867 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-18 18:20:42,873 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;@3f0e4165, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-18 18:20:42,873 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-18 18:20:42,876 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 18:20:42,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-18 18:20:42,881 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 18:20:42,881 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-18 18:20:42,882 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 18:20:42,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 18:20:42,886 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-18 18:20:42,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 18:20:42,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [320395189] [2024-11-18 18:20:42,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 18:20:42,897 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 [2024-11-18 18:20:42,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 18:20:42,899 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) [2024-11-18 18:20:42,910 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 [2024-11-18 18:20:43,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 18:20:43,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-18 18:20:43,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-18 18:20:43,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-18 18:20:43,267 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-18 18:20:43,268 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-18 18:20:43,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [320395189] [2024-11-18 18:20:43,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [320395189] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-18 18:20:43,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-18 18:20:43,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-18 18:20:43,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4539525] [2024-11-18 18:20:43,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-18 18:20:43,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-18 18:20:43,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-18 18:20:43,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-18 18:20:43,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-18 18:20:43,294 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 18:20:43,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-18 18:20:43,354 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-18 18:20:43,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-18 18:20:43,356 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-18 18:20:43,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-18 18:20:43,361 INFO L225 Difference]: With dead ends: 18 [2024-11-18 18:20:43,361 INFO L226 Difference]: Without dead ends: 10 [2024-11-18 18:20:43,363 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-18 18:20:43,367 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-18 18:20:43,368 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-18 18:20:43,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-18 18:20:43,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-18 18:20:43,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 18:20:43,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-18 18:20:43,404 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-18 18:20:43,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-18 18:20:43,404 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-18 18:20:43,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-18 18:20:43,404 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-18 18:20:43,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-18 18:20:43,405 INFO L207 NwaCegarLoop]: Found error trace [2024-11-18 18:20:43,405 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-18 18:20:43,408 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 [2024-11-18 18:20:43,605 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 [2024-11-18 18:20:43,606 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-18 18:20:43,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-18 18:20:43,607 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-18 18:20:43,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-18 18:20:43,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1534131813] [2024-11-18 18:20:43,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-18 18:20:43,608 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 [2024-11-18 18:20:43,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-18 18:20:43,611 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) [2024-11-18 18:20:43,612 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 [2024-11-18 18:20:43,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-18 18:20:43,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-18 18:20:43,911 INFO L278 TraceCheckSpWp]: Computing forward predicates...