/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p03.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 20:02:15,426 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 20:02:15,489 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2023-12-16 20:02:15,493 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 20:02:15,493 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 20:02:15,518 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 20:02:15,518 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 20:02:15,518 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 20:02:15,519 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 20:02:15,522 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 20:02:15,522 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 20:02:15,522 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 20:02:15,522 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 20:02:15,523 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 20:02:15,523 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 20:02:15,524 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 20:02:15,524 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 20:02:15,524 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 20:02:15,524 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 20:02:15,525 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 20:02:15,525 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 20:02:15,525 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 20:02:15,526 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 20:02:15,526 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 20:02:15,526 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 20:02:15,526 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 20:02:15,526 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 20:02:15,526 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 20:02:15,527 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 20:02:15,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:02:15,528 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 20:02:15,528 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 20:02:15,528 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 20:02:15,528 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 20:02:15,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 20:02:15,528 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 20:02:15,528 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 20:02:15,528 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 20:02:15,528 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 20:02:15,528 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 20:02:15,529 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-16 20:02:15,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 20:02:15,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 20:02:15,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 20:02:15,732 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 20:02:15,732 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 20:02:15,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p03.c [2023-12-16 20:02:16,736 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 20:02:16,969 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 20:02:16,970 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p03.c [2023-12-16 20:02:16,983 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe90b5817/514efac22c5348179428a173a08ac774/FLAG21fef64ee [2023-12-16 20:02:16,998 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe90b5817/514efac22c5348179428a173a08ac774 [2023-12-16 20:02:17,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 20:02:17,001 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 20:02:17,001 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 20:02:17,001 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 20:02:17,006 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 20:02:17,007 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:02:16" (1/1) ... [2023-12-16 20:02:17,008 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f457621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:02:17, skipping insertion in model container [2023-12-16 20:02:17,008 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 08:02:16" (1/1) ... [2023-12-16 20:02:17,058 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 20:02:17,187 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p03.c[1259,1272] [2023-12-16 20:02:17,381 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:02:17,388 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 20:02:17,396 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsaR_p03.c[1259,1272] [2023-12-16 20:02:17,487 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 20:02:17,497 INFO L206 MainTranslator]: Completed translation [2023-12-16 20:02:17,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:02:17 WrapperNode [2023-12-16 20:02:17,497 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 20:02:17,498 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 20:02:17,498 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 20:02:17,498 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 20:02:17,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:02:17" (1/1) ... [2023-12-16 20:02:17,533 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:02:17" (1/1) ... [2023-12-16 20:02:17,707 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2359 [2023-12-16 20:02:17,707 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 20:02:17,708 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 20:02:17,708 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 20:02:17,709 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 20:02:17,716 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:02:17" (1/1) ... [2023-12-16 20:02:17,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:02:17" (1/1) ... [2023-12-16 20:02:17,747 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:02:17" (1/1) ... [2023-12-16 20:02:17,803 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]. [2023-12-16 20:02:17,804 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:02:17" (1/1) ... [2023-12-16 20:02:17,804 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:02:17" (1/1) ... [2023-12-16 20:02:17,874 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:02:17" (1/1) ... [2023-12-16 20:02:17,890 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:02:17" (1/1) ... [2023-12-16 20:02:17,901 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:02:17" (1/1) ... [2023-12-16 20:02:17,913 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:02:17" (1/1) ... [2023-12-16 20:02:17,946 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 20:02:17,948 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 20:02:17,948 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 20:02:17,948 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 20:02:17,949 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:02:17" (1/1) ... [2023-12-16 20:02:17,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 20:02:17,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 20:02:17,970 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) [2023-12-16 20:02:17,991 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 [2023-12-16 20:02:17,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 20:02:17,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 20:02:17,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 20:02:17,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 20:02:18,219 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 20:02:18,220 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 20:02:19,432 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 20:02:19,490 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 20:02:19,490 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 20:02:19,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:02:19 BoogieIcfgContainer [2023-12-16 20:02:19,491 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 20:02:19,492 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 20:02:19,492 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 20:02:19,495 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 20:02:19,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 08:02:16" (1/3) ... [2023-12-16 20:02:19,495 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1970c826 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:02:19, skipping insertion in model container [2023-12-16 20:02:19,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 08:02:17" (2/3) ... [2023-12-16 20:02:19,496 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1970c826 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 08:02:19, skipping insertion in model container [2023-12-16 20:02:19,496 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 08:02:19" (3/3) ... [2023-12-16 20:02:19,497 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsaR_p03.c [2023-12-16 20:02:19,508 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 20:02:19,508 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 20:02:19,542 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 20:02:19,546 INFO L357 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, mHoare=true, 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;@563c7a76, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 20:02:19,546 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 20:02:19,550 INFO L276 IsEmpty]: Start isEmpty. Operand has 393 states, 391 states have (on average 1.6675191815856778) internal successors, (652), 392 states have internal predecessors, (652), 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) [2023-12-16 20:02:19,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-16 20:02:19,555 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 20:02:19,555 INFO L195 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] [2023-12-16 20:02:19,556 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 20:02:19,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 20:02:19,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1775486668, now seen corresponding path program 1 times [2023-12-16 20:02:19,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 20:02:19,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996776987] [2023-12-16 20:02:19,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 20:02:19,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 20:02:19,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 20:02:19,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 20:02:19,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 20:02:19,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996776987] [2023-12-16 20:02:19,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996776987] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 20:02:19,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 20:02:19,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 20:02:19,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613592991] [2023-12-16 20:02:19,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 20:02:19,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 20:02:19,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 20:02:19,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 20:02:19,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 20:02:19,979 INFO L87 Difference]: Start difference. First operand has 393 states, 391 states have (on average 1.6675191815856778) internal successors, (652), 392 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 20:02:20,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 20:02:20,054 INFO L93 Difference]: Finished difference Result 746 states and 1240 transitions. [2023-12-16 20:02:20,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 20:02:20,061 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2023-12-16 20:02:20,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 20:02:20,075 INFO L225 Difference]: With dead ends: 746 [2023-12-16 20:02:20,075 INFO L226 Difference]: Without dead ends: 393 [2023-12-16 20:02:20,078 INFO L412 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 [2023-12-16 20:02:20,080 INFO L413 NwaCegarLoop]: 645 mSDtfsCounter, 1 mSDsluCounter, 1285 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1930 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 20:02:20,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1930 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 20:02:20,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2023-12-16 20:02:20,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 393. [2023-12-16 20:02:20,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 392 states have (on average 1.6581632653061225) internal successors, (650), 392 states have internal predecessors, (650), 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) [2023-12-16 20:02:20,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 650 transitions. [2023-12-16 20:02:20,128 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 650 transitions. Word has length 36 [2023-12-16 20:02:20,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 20:02:20,128 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 650 transitions. [2023-12-16 20:02:20,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 20:02:20,129 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 650 transitions. [2023-12-16 20:02:20,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-16 20:02:20,129 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 20:02:20,129 INFO L195 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] [2023-12-16 20:02:20,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 20:02:20,130 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 20:02:20,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 20:02:20,130 INFO L85 PathProgramCache]: Analyzing trace with hash -792763000, now seen corresponding path program 1 times [2023-12-16 20:02:20,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 20:02:20,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848955834] [2023-12-16 20:02:20,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 20:02:20,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 20:02:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 20:02:20,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 20:02:20,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 20:02:20,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848955834] [2023-12-16 20:02:20,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848955834] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 20:02:20,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 20:02:20,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 20:02:20,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692786197] [2023-12-16 20:02:20,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 20:02:20,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 20:02:20,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 20:02:20,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 20:02:20,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 20:02:20,312 INFO L87 Difference]: Start difference. First operand 393 states and 650 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 20:02:20,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 20:02:20,345 INFO L93 Difference]: Finished difference Result 749 states and 1238 transitions. [2023-12-16 20:02:20,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 20:02:20,359 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2023-12-16 20:02:20,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 20:02:20,360 INFO L225 Difference]: With dead ends: 749 [2023-12-16 20:02:20,361 INFO L226 Difference]: Without dead ends: 396 [2023-12-16 20:02:20,361 INFO L412 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 [2023-12-16 20:02:20,362 INFO L413 NwaCegarLoop]: 645 mSDtfsCounter, 1 mSDsluCounter, 1283 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1928 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 [2023-12-16 20:02:20,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1928 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 20:02:20,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2023-12-16 20:02:20,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 395. [2023-12-16 20:02:20,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 394 states have (on average 1.6548223350253808) internal successors, (652), 394 states have internal predecessors, (652), 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) [2023-12-16 20:02:20,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 652 transitions. [2023-12-16 20:02:20,372 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 652 transitions. Word has length 37 [2023-12-16 20:02:20,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 20:02:20,372 INFO L495 AbstractCegarLoop]: Abstraction has 395 states and 652 transitions. [2023-12-16 20:02:20,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 20:02:20,372 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 652 transitions. [2023-12-16 20:02:20,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-16 20:02:20,373 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 20:02:20,373 INFO L195 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] [2023-12-16 20:02:20,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-16 20:02:20,373 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 20:02:20,373 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 20:02:20,373 INFO L85 PathProgramCache]: Analyzing trace with hash 983718502, now seen corresponding path program 1 times [2023-12-16 20:02:20,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 20:02:20,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061481881] [2023-12-16 20:02:20,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 20:02:20,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 20:02:20,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 20:02:20,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-16 20:02:20,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 20:02:20,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061481881] [2023-12-16 20:02:20,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061481881] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 20:02:20,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 20:02:20,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 20:02:20,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983639883] [2023-12-16 20:02:20,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 20:02:20,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 20:02:20,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 20:02:20,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 20:02:20,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 20:02:20,610 INFO L87 Difference]: Start difference. First operand 395 states and 652 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 20:02:20,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 20:02:20,644 INFO L93 Difference]: Finished difference Result 752 states and 1242 transitions. [2023-12-16 20:02:20,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 20:02:20,645 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2023-12-16 20:02:20,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 20:02:20,646 INFO L225 Difference]: With dead ends: 752 [2023-12-16 20:02:20,646 INFO L226 Difference]: Without dead ends: 397 [2023-12-16 20:02:20,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-16 20:02:20,649 INFO L413 NwaCegarLoop]: 645 mSDtfsCounter, 1774 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1774 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 20:02:20,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1774 Valid, 715 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 20:02:20,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2023-12-16 20:02:20,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 393. [2023-12-16 20:02:20,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 392 states have (on average 1.653061224489796) internal successors, (648), 392 states have internal predecessors, (648), 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) [2023-12-16 20:02:20,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 648 transitions. [2023-12-16 20:02:20,663 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 648 transitions. Word has length 38 [2023-12-16 20:02:20,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 20:02:20,663 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 648 transitions. [2023-12-16 20:02:20,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 20:02:20,665 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 648 transitions. [2023-12-16 20:02:20,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-16 20:02:20,668 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 20:02:20,671 INFO L195 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] [2023-12-16 20:02:20,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-16 20:02:20,672 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 20:02:20,672 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 20:02:20,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1536241432, now seen corresponding path program 1 times [2023-12-16 20:02:20,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 20:02:20,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592607523] [2023-12-16 20:02:20,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 20:02:20,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 20:02:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 20:02:20,716 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-16 20:02:20,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 20:02:20,796 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-16 20:02:20,796 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-16 20:02:20,797 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 20:02:20,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-16 20:02:20,800 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-16 20:02:20,803 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 20:02:20,847 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-16 20:02:20,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 08:02:20 BoogieIcfgContainer [2023-12-16 20:02:20,864 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 20:02:20,865 INFO L158 Benchmark]: Toolchain (without parser) took 3864.37ms. Allocated memory was 232.8MB in the beginning and 373.3MB in the end (delta: 140.5MB). Free memory was 183.9MB in the beginning and 186.5MB in the end (delta: -2.6MB). Peak memory consumption was 139.4MB. Max. memory is 8.0GB. [2023-12-16 20:02:20,865 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 184.5MB. Free memory is still 139.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 20:02:20,866 INFO L158 Benchmark]: CACSL2BoogieTranslator took 496.18ms. Allocated memory is still 232.8MB. Free memory was 183.9MB in the beginning and 138.8MB in the end (delta: 45.1MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. [2023-12-16 20:02:20,868 INFO L158 Benchmark]: Boogie Procedure Inliner took 209.30ms. Allocated memory is still 232.8MB. Free memory was 138.8MB in the beginning and 169.7MB in the end (delta: -30.8MB). Peak memory consumption was 56.7MB. Max. memory is 8.0GB. [2023-12-16 20:02:20,868 INFO L158 Benchmark]: Boogie Preprocessor took 238.67ms. Allocated memory is still 232.8MB. Free memory was 169.7MB in the beginning and 163.4MB in the end (delta: 6.3MB). Peak memory consumption was 39.3MB. Max. memory is 8.0GB. [2023-12-16 20:02:20,870 INFO L158 Benchmark]: RCFGBuilder took 1543.15ms. Allocated memory was 232.8MB in the beginning and 373.3MB in the end (delta: 140.5MB). Free memory was 163.4MB in the beginning and 292.0MB in the end (delta: -128.7MB). Peak memory consumption was 120.1MB. Max. memory is 8.0GB. [2023-12-16 20:02:20,870 INFO L158 Benchmark]: TraceAbstraction took 1372.18ms. Allocated memory is still 373.3MB. Free memory was 291.0MB in the beginning and 186.5MB in the end (delta: 104.5MB). Peak memory consumption was 104.4MB. Max. memory is 8.0GB. [2023-12-16 20:02:20,873 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 184.5MB. Free memory is still 139.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 496.18ms. Allocated memory is still 232.8MB. Free memory was 183.9MB in the beginning and 138.8MB in the end (delta: 45.1MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 209.30ms. Allocated memory is still 232.8MB. Free memory was 138.8MB in the beginning and 169.7MB in the end (delta: -30.8MB). Peak memory consumption was 56.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 238.67ms. Allocated memory is still 232.8MB. Free memory was 169.7MB in the beginning and 163.4MB in the end (delta: 6.3MB). Peak memory consumption was 39.3MB. Max. memory is 8.0GB. * RCFGBuilder took 1543.15ms. Allocated memory was 232.8MB in the beginning and 373.3MB in the end (delta: 140.5MB). Free memory was 163.4MB in the beginning and 292.0MB in the end (delta: -128.7MB). Peak memory consumption was 120.1MB. Max. memory is 8.0GB. * TraceAbstraction took 1372.18ms. Allocated memory is still 373.3MB. Free memory was 291.0MB in the beginning and 186.5MB in the end (delta: 104.5MB). Peak memory consumption was 104.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 166. 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_44 mask_SORT_44 = (SORT_44)-1 >> (sizeof(SORT_44) * 8 - 3); [L36] const SORT_44 msb_SORT_44 = (SORT_44)1 << (3 - 1); [L38] const SORT_71 mask_SORT_71 = (SORT_71)-1 >> (sizeof(SORT_71) * 8 - 2); [L39] const SORT_71 msb_SORT_71 = (SORT_71)1 << (2 - 1); [L41] const SORT_73 mask_SORT_73 = (SORT_73)-1 >> (sizeof(SORT_73) * 8 - 32); [L42] const SORT_73 msb_SORT_73 = (SORT_73)1 << (32 - 1); [L44] const SORT_179 mask_SORT_179 = (SORT_179)-1 >> (sizeof(SORT_179) * 8 - 4); [L45] const SORT_179 msb_SORT_179 = (SORT_179)1 << (4 - 1); [L47] const SORT_3 var_7 = 0; [L48] const SORT_1 var_12 = 0; [L49] const SORT_1 var_23 = 1; [L50] const SORT_5 var_35 = 0; [L51] const SORT_44 var_45 = 0; [L52] const SORT_44 var_49 = 2; [L53] const SORT_44 var_53 = 1; [L54] const SORT_44 var_58 = 4; [L55] const SORT_44 var_60 = 5; [L56] const SORT_44 var_64 = 3; [L57] const SORT_73 var_75 = 0; [L58] const SORT_3 var_82 = 31; [L59] const SORT_44 var_272 = 7; [L60] const SORT_44 var_277 = 6; [L61] const SORT_3 var_330 = 2; [L63] SORT_1 input_2; [L64] SORT_3 input_4; [L65] SORT_5 input_6; [L66] SORT_3 input_68; [L67] SORT_3 input_69; [L68] SORT_3 input_70; [L69] SORT_3 input_81; [L70] SORT_3 input_91; [L71] SORT_3 input_92; [L72] SORT_3 input_93; [L73] SORT_3 input_96; [L74] SORT_3 input_115; [L75] SORT_3 input_116; [L76] SORT_3 input_117; [L77] SORT_3 input_120; [L78] SORT_3 input_122; [L79] SORT_71 input_136; [L80] SORT_71 input_137; [L81] SORT_71 input_138; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L83] SORT_3 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L84] SORT_3 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L85] SORT_3 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L86] SORT_3 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L87] SORT_3 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L88] SORT_3 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L89] SORT_3 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_31=0, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L90] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L91] EXPR __VERIFIER_nondet_ushort() & mask_SORT_5 VAL [mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_31=0, state_33=0, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L91] SORT_5 state_36 = __VERIFIER_nondet_ushort() & mask_SORT_5; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_31=0, state_33=0, state_36=0, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L92] SORT_3 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_31=0, state_33=0, state_36=0, state_38=0, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L93] SORT_3 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 VAL [mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_31=0, state_33=0, state_36=0, state_38=0, state_40=0, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L94] SORT_3 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_44 VAL [mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_31=0, state_33=0, state_36=0, state_38=0, state_40=0, state_42=0, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L95] SORT_44 state_46 = __VERIFIER_nondet_uchar() & mask_SORT_44; [L97] SORT_3 init_9_arg_1 = var_7; [L98] state_8 = init_9_arg_1 [L99] SORT_3 init_11_arg_1 = var_7; [L100] state_10 = init_11_arg_1 [L101] SORT_3 init_15_arg_1 = var_7; [L102] state_14 = init_15_arg_1 [L103] SORT_3 init_17_arg_1 = var_7; [L104] state_16 = init_17_arg_1 [L105] SORT_3 init_28_arg_1 = var_7; [L106] state_27 = init_28_arg_1 [L107] SORT_3 init_30_arg_1 = var_7; [L108] state_29 = init_30_arg_1 [L109] SORT_3 init_32_arg_1 = var_7; [L110] state_31 = init_32_arg_1 [L111] SORT_1 init_34_arg_1 = var_12; [L112] state_33 = init_34_arg_1 [L113] SORT_5 init_37_arg_1 = var_35; [L114] state_36 = init_37_arg_1 [L115] SORT_3 init_39_arg_1 = var_7; [L116] state_38 = init_39_arg_1 [L117] SORT_3 init_41_arg_1 = var_7; [L118] state_40 = init_41_arg_1 [L119] SORT_3 init_43_arg_1 = var_7; [L120] state_42 = init_43_arg_1 [L121] SORT_44 init_47_arg_1 = var_45; [L122] state_46 = init_47_arg_1 VAL [init_11_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_47_arg_1=0, init_9_arg_1=0, mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_31=0, state_33=0, state_36=0, state_38=0, state_40=0, state_42=0, state_46=0, state_8=0, var_12=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L125] input_2 = __VERIFIER_nondet_uchar() [L126] input_4 = __VERIFIER_nondet_uchar() [L127] input_6 = __VERIFIER_nondet_ushort() [L128] input_68 = __VERIFIER_nondet_uchar() [L129] input_69 = __VERIFIER_nondet_uchar() [L130] input_70 = __VERIFIER_nondet_uchar() [L131] input_81 = __VERIFIER_nondet_uchar() [L132] input_91 = __VERIFIER_nondet_uchar() [L133] input_92 = __VERIFIER_nondet_uchar() [L134] input_93 = __VERIFIER_nondet_uchar() [L135] input_96 = __VERIFIER_nondet_uchar() [L136] input_115 = __VERIFIER_nondet_uchar() [L137] input_116 = __VERIFIER_nondet_uchar() [L138] input_117 = __VERIFIER_nondet_uchar() [L139] input_120 = __VERIFIER_nondet_uchar() [L140] input_122 = __VERIFIER_nondet_uchar() [L141] input_136 = __VERIFIER_nondet_uchar() [L142] input_137 = __VERIFIER_nondet_uchar() [L143] input_138 = __VERIFIER_nondet_uchar() [L146] SORT_1 var_18_arg_0 = var_12; [L147] SORT_3 var_18_arg_1 = state_16; [L148] SORT_3 var_18_arg_2 = state_14; [L149] SORT_3 var_18 = var_18_arg_0 ? var_18_arg_1 : var_18_arg_2; [L150] SORT_1 var_13_arg_0 = var_12; [L151] SORT_3 var_13_arg_1 = state_10; [L152] SORT_3 var_13_arg_2 = state_8; [L153] SORT_3 var_13 = var_13_arg_0 ? var_13_arg_1 : var_13_arg_2; [L154] SORT_1 var_19_arg_0 = var_12; [L155] SORT_3 var_19_arg_1 = var_18; [L156] SORT_3 var_19_arg_2 = var_13; [L157] SORT_3 var_19 = var_19_arg_0 ? var_19_arg_1 : var_19_arg_2; VAL [init_11_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_47_arg_1=0, init_9_arg_1=0, mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_31=0, state_33=0, state_36=0, state_38=0, state_40=0, state_42=0, state_46=0, state_8=0, var_12=0, var_13=0, var_13_arg_0=0, var_13_arg_1=0, var_13_arg_2=0, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_18_arg_2=0, var_19=0, var_19_arg_0=0, var_19_arg_1=0, var_19_arg_2=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L158] EXPR var_19 & mask_SORT_3 VAL [init_11_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_47_arg_1=0, init_9_arg_1=0, mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_31=0, state_33=0, state_36=0, state_38=0, state_40=0, state_42=0, state_46=0, state_8=0, var_12=0, var_13=0, var_13_arg_0=0, var_13_arg_1=0, var_13_arg_2=0, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_18_arg_2=0, var_19=0, var_19_arg_0=0, var_19_arg_1=0, var_19_arg_2=0, var_23=1, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L158] var_19 = var_19 & mask_SORT_3 [L159] SORT_3 var_20_arg_0 = var_19; [L160] SORT_3 var_20_arg_1 = var_7; [L161] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L162] SORT_1 var_24_arg_0 = var_20; [L163] SORT_1 var_24 = ~var_24_arg_0; [L164] SORT_1 var_25_arg_0 = var_23; [L165] SORT_1 var_25_arg_1 = var_24; VAL [init_11_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_47_arg_1=0, init_9_arg_1=0, mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_31=0, state_33=0, state_36=0, state_38=0, state_40=0, state_42=0, state_46=0, state_8=0, var_12=0, var_13=0, var_13_arg_0=0, var_13_arg_1=0, var_13_arg_2=0, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_18_arg_2=0, var_19=0, var_19_arg_0=0, var_19_arg_1=0, var_19_arg_2=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_23=1, var_24=254, var_24_arg_0=1, var_25_arg_0=1, var_25_arg_1=254, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L166] EXPR var_25_arg_0 & var_25_arg_1 VAL [init_11_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_47_arg_1=0, init_9_arg_1=0, mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_31=0, state_33=0, state_36=0, state_38=0, state_40=0, state_42=0, state_46=0, state_8=0, var_12=0, var_13=0, var_13_arg_0=0, var_13_arg_1=0, var_13_arg_2=0, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_18_arg_2=0, var_19=0, var_19_arg_0=0, var_19_arg_1=0, var_19_arg_2=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_23=1, var_24=254, var_24_arg_0=1, var_25_arg_0=1, var_25_arg_1=254, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L166] SORT_1 var_25 = var_25_arg_0 & var_25_arg_1; [L167] EXPR var_25 & mask_SORT_1 VAL [init_11_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_47_arg_1=0, init_9_arg_1=0, mask_SORT_179=15, mask_SORT_1=1, mask_SORT_3=31, mask_SORT_44=7, mask_SORT_5=4095, mask_SORT_71=3, mask_SORT_73=4294967295, msb_SORT_179=8, msb_SORT_1=1, msb_SORT_3=16, msb_SORT_44=4, msb_SORT_5=2048, msb_SORT_71=2, msb_SORT_73=2147483648, state_10=0, state_14=0, state_16=0, state_27=0, state_29=0, state_31=0, state_33=0, state_36=0, state_38=0, state_40=0, state_42=0, state_46=0, state_8=0, var_12=0, var_13=0, var_13_arg_0=0, var_13_arg_1=0, var_13_arg_2=0, var_18=0, var_18_arg_0=0, var_18_arg_1=0, var_18_arg_2=0, var_19=0, var_19_arg_0=0, var_19_arg_1=0, var_19_arg_2=0, var_20=1, var_20_arg_0=0, var_20_arg_1=0, var_23=1, var_24=254, var_24_arg_0=1, var_25=1, var_25_arg_0=1, var_25_arg_1=254, var_272=7, var_277=6, var_330=2, var_35=0, var_45=0, var_49=2, var_53=1, var_58=4, var_60=5, var_64=3, var_75=0, var_7=0, var_82=31] [L167] var_25 = var_25 & mask_SORT_1 [L168] SORT_1 bad_26_arg_0 = var_25; [L169] CALL __VERIFIER_assert(!(bad_26_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 393 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1776 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1776 mSDsluCounter, 4573 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2638 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 1935 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=395occurred in iteration=2, InterpolantAutomatonStates: 12, 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, 3 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 149 NumberOfCodeBlocks, 149 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 209 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 [2023-12-16 20:02:20,888 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...