/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.cal163.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 19:05:46,300 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 19:05:46,344 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 19:05:46,347 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 19:05:46,347 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 19:05:46,361 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 19:05:46,362 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 19:05:46,362 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 19:05:46,362 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 19:05:46,363 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 19:05:46,363 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 19:05:46,363 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 19:05:46,363 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 19:05:46,364 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 19:05:46,364 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 19:05:46,364 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 19:05:46,364 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 19:05:46,365 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 19:05:46,365 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 19:05:46,365 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 19:05:46,365 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 19:05:46,368 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 19:05:46,368 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 19:05:46,368 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 19:05:46,369 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 19:05:46,369 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 19:05:46,369 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 19:05:46,369 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 19:05:46,369 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 19:05:46,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 19:05:46,370 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 19:05:46,370 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 19:05:46,370 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 19:05:46,370 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 19:05:46,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 19:05:46,371 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 19:05:46,371 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 19:05:46,371 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 19:05:46,371 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 19:05:46,371 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 19:05:46,372 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-16 19:05:46,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 19:05:46,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 19:05:46,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 19:05:46,548 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 19:05:46,552 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 19:05:46,553 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal163.c [2023-12-16 19:05:47,494 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 19:05:47,989 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 19:05:47,990 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal163.c [2023-12-16 19:05:48,039 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cd7e9748/ed4dfffa9fd3428086f1b422b73600b4/FLAGb7a698d18 [2023-12-16 19:05:48,052 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7cd7e9748/ed4dfffa9fd3428086f1b422b73600b4 [2023-12-16 19:05:48,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 19:05:48,055 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 19:05:48,055 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 19:05:48,056 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 19:05:48,059 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 19:05:48,060 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 07:05:48" (1/1) ... [2023-12-16 19:05:48,060 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69140edc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:05:48, skipping insertion in model container [2023-12-16 19:05:48,060 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 07:05:48" (1/1) ... [2023-12-16 19:05:48,206 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 19:05:48,517 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.cal163.c[1246,1259] [2023-12-16 19:05:49,685 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 19:05:49,692 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 19:05:49,700 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.cal163.c[1246,1259] [2023-12-16 19:05:50,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 19:05:50,464 INFO L206 MainTranslator]: Completed translation [2023-12-16 19:05:50,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:05:50 WrapperNode [2023-12-16 19:05:50,466 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 19:05:50,467 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 19:05:50,467 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 19:05:50,467 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 19:05:50,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:05:50" (1/1) ... [2023-12-16 19:05:50,814 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:05:50" (1/1) ... [2023-12-16 19:05:54,436 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64984 [2023-12-16 19:05:54,436 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 19:05:54,437 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 19:05:54,437 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 19:05:54,437 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 19:05:54,444 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:05:50" (1/1) ... [2023-12-16 19:05:54,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:05:50" (1/1) ... [2023-12-16 19:05:55,581 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:05:50" (1/1) ... [2023-12-16 19:05:56,271 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 19:05:56,271 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:05:50" (1/1) ... [2023-12-16 19:05:56,271 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:05:50" (1/1) ... [2023-12-16 19:05:57,478 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:05:50" (1/1) ... [2023-12-16 19:05:57,616 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:05:50" (1/1) ... [2023-12-16 19:05:57,856 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:05:50" (1/1) ... [2023-12-16 19:05:58,003 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:05:50" (1/1) ... [2023-12-16 19:05:58,745 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 19:05:58,747 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 19:05:58,747 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 19:05:58,747 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 19:05:58,748 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:05:50" (1/1) ... [2023-12-16 19:05:58,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 19:05:58,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 19:05:58,800 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 19:05:58,807 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 19:05:58,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 19:05:58,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 19:05:58,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 19:05:58,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 19:06:01,291 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 19:06:01,292 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 19:06:23,532 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 19:06:24,347 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 19:06:24,347 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 19:06:24,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 07:06:24 BoogieIcfgContainer [2023-12-16 19:06:24,349 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 19:06:24,351 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 19:06:24,351 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 19:06:24,354 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 19:06:24,354 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 07:05:48" (1/3) ... [2023-12-16 19:06:24,355 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13f8a25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 07:06:24, skipping insertion in model container [2023-12-16 19:06:24,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:05:50" (2/3) ... [2023-12-16 19:06:24,356 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13f8a25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 07:06:24, skipping insertion in model container [2023-12-16 19:06:24,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 07:06:24" (3/3) ... [2023-12-16 19:06:24,357 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal163.c [2023-12-16 19:06:24,369 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 19:06:24,369 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 19:06:24,518 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 19:06:24,522 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;@50d8d782, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 19:06:24,522 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 19:06:24,553 INFO L276 IsEmpty]: Start isEmpty. Operand has 14234 states, 14232 states have (on average 1.6689151208544126) internal successors, (23752), 14233 states have internal predecessors, (23752), 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 19:06:24,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-12-16 19:06:24,563 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:06:24,564 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:06:24,565 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:06:24,568 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:06:24,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1947643782, now seen corresponding path program 1 times [2023-12-16 19:06:24,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:06:24,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637701540] [2023-12-16 19:06:24,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:06:24,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:06:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:06:25,575 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 19:06:25,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:06:25,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637701540] [2023-12-16 19:06:25,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637701540] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:06:25,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:06:25,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 19:06:25,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428395639] [2023-12-16 19:06:25,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:06:25,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 19:06:25,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:06:25,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 19:06:25,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 19:06:25,646 INFO L87 Difference]: Start difference. First operand has 14234 states, 14232 states have (on average 1.6689151208544126) internal successors, (23752), 14233 states have internal predecessors, (23752), 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 48.0) internal successors, (192), 4 states have internal predecessors, (192), 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 19:06:26,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:06:26,340 INFO L93 Difference]: Finished difference Result 28284 states and 47200 transitions. [2023-12-16 19:06:26,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 19:06:26,342 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.0) internal successors, (192), 4 states have internal predecessors, (192), 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 192 [2023-12-16 19:06:26,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:06:26,392 INFO L225 Difference]: With dead ends: 28284 [2023-12-16 19:06:26,393 INFO L226 Difference]: Without dead ends: 14234 [2023-12-16 19:06:26,412 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 19:06:26,414 INFO L413 NwaCegarLoop]: 23676 mSDtfsCounter, 1 mSDsluCounter, 47347 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 71023 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 19:06:26,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 71023 Invalid, 13 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 19:06:26,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14234 states. [2023-12-16 19:06:26,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14234 to 14234. [2023-12-16 19:06:26,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14234 states, 14233 states have (on average 1.663809456895946) internal successors, (23681), 14233 states have internal predecessors, (23681), 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 19:06:26,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14234 states to 14234 states and 23681 transitions. [2023-12-16 19:06:26,736 INFO L78 Accepts]: Start accepts. Automaton has 14234 states and 23681 transitions. Word has length 192 [2023-12-16 19:06:26,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:06:26,739 INFO L495 AbstractCegarLoop]: Abstraction has 14234 states and 23681 transitions. [2023-12-16 19:06:26,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.0) internal successors, (192), 4 states have internal predecessors, (192), 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 19:06:26,739 INFO L276 IsEmpty]: Start isEmpty. Operand 14234 states and 23681 transitions. [2023-12-16 19:06:26,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2023-12-16 19:06:26,748 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:06:26,748 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:06:26,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 19:06:26,748 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:06:26,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:06:26,749 INFO L85 PathProgramCache]: Analyzing trace with hash -245629440, now seen corresponding path program 1 times [2023-12-16 19:06:26,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:06:26,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553479849] [2023-12-16 19:06:26,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:06:26,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:06:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:06:27,233 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 19:06:27,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:06:27,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553479849] [2023-12-16 19:06:27,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553479849] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:06:27,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:06:27,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 19:06:27,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145665396] [2023-12-16 19:06:27,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:06:27,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 19:06:27,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:06:27,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 19:06:27,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 19:06:27,240 INFO L87 Difference]: Start difference. First operand 14234 states and 23681 transitions. Second operand has 4 states, 4 states have (on average 48.25) internal successors, (193), 4 states have internal predecessors, (193), 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 19:06:27,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:06:27,781 INFO L93 Difference]: Finished difference Result 28287 states and 47060 transitions. [2023-12-16 19:06:27,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 19:06:27,781 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.25) internal successors, (193), 4 states have internal predecessors, (193), 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 193 [2023-12-16 19:06:27,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:06:27,830 INFO L225 Difference]: With dead ends: 28287 [2023-12-16 19:06:27,830 INFO L226 Difference]: Without dead ends: 14237 [2023-12-16 19:06:27,844 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 19:06:27,846 INFO L413 NwaCegarLoop]: 23676 mSDtfsCounter, 1 mSDsluCounter, 47345 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 71021 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 19:06:27,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 71021 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 19:06:27,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14237 states. [2023-12-16 19:06:28,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14237 to 14236. [2023-12-16 19:06:28,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14236 states, 14235 states have (on average 1.6637161924833157) internal successors, (23683), 14235 states have internal predecessors, (23683), 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 19:06:28,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14236 states to 14236 states and 23683 transitions. [2023-12-16 19:06:28,073 INFO L78 Accepts]: Start accepts. Automaton has 14236 states and 23683 transitions. Word has length 193 [2023-12-16 19:06:28,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:06:28,075 INFO L495 AbstractCegarLoop]: Abstraction has 14236 states and 23683 transitions. [2023-12-16 19:06:28,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.25) internal successors, (193), 4 states have internal predecessors, (193), 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 19:06:28,076 INFO L276 IsEmpty]: Start isEmpty. Operand 14236 states and 23683 transitions. [2023-12-16 19:06:28,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-12-16 19:06:28,077 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:06:28,077 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:06:28,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-16 19:06:28,077 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:06:28,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:06:28,084 INFO L85 PathProgramCache]: Analyzing trace with hash 763203154, now seen corresponding path program 1 times [2023-12-16 19:06:28,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:06:28,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990744296] [2023-12-16 19:06:28,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:06:28,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:06:28,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:06:29,058 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 19:06:29,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:06:29,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990744296] [2023-12-16 19:06:29,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990744296] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:06:29,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:06:29,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 19:06:29,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677101089] [2023-12-16 19:06:29,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:06:29,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 19:06:29,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:06:29,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 19:06:29,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-16 19:06:29,063 INFO L87 Difference]: Start difference. First operand 14236 states and 23683 transitions. Second operand has 6 states, 6 states have (on average 32.333333333333336) internal successors, (194), 5 states have internal predecessors, (194), 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 19:06:30,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:06:30,759 INFO L93 Difference]: Finished difference Result 42431 states and 70588 transitions. [2023-12-16 19:06:30,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-16 19:06:30,760 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 32.333333333333336) internal successors, (194), 5 states have internal predecessors, (194), 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 194 [2023-12-16 19:06:30,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:06:30,798 INFO L225 Difference]: With dead ends: 42431 [2023-12-16 19:06:30,799 INFO L226 Difference]: Without dead ends: 28379 [2023-12-16 19:06:30,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2023-12-16 19:06:30,817 INFO L413 NwaCegarLoop]: 23743 mSDtfsCounter, 117134 mSDsluCounter, 70783 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117134 SdHoareTripleChecker+Valid, 94526 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-16 19:06:30,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117134 Valid, 94526 Invalid, 340 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-16 19:06:30,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28379 states. [2023-12-16 19:06:31,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28379 to 14328. [2023-12-16 19:06:31,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14328 states, 14327 states have (on average 1.6636420744049696) internal successors, (23835), 14327 states have internal predecessors, (23835), 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 19:06:31,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14328 states to 14328 states and 23835 transitions. [2023-12-16 19:06:31,193 INFO L78 Accepts]: Start accepts. Automaton has 14328 states and 23835 transitions. Word has length 194 [2023-12-16 19:06:31,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:06:31,193 INFO L495 AbstractCegarLoop]: Abstraction has 14328 states and 23835 transitions. [2023-12-16 19:06:31,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 32.333333333333336) internal successors, (194), 5 states have internal predecessors, (194), 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 19:06:31,194 INFO L276 IsEmpty]: Start isEmpty. Operand 14328 states and 23835 transitions. [2023-12-16 19:06:31,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-12-16 19:06:31,195 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:06:31,195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:06:31,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-16 19:06:31,195 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:06:31,195 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:06:31,195 INFO L85 PathProgramCache]: Analyzing trace with hash -512385562, now seen corresponding path program 1 times [2023-12-16 19:06:31,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:06:31,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896067305] [2023-12-16 19:06:31,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:06:31,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:06:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:06:31,869 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 19:06:31,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:06:31,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896067305] [2023-12-16 19:06:31,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896067305] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:06:31,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:06:31,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 19:06:31,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16259490] [2023-12-16 19:06:31,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:06:31,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 19:06:31,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:06:31,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 19:06:31,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-16 19:06:31,872 INFO L87 Difference]: Start difference. First operand 14328 states and 23835 transitions. Second operand has 8 states, 8 states have (on average 24.375) internal successors, (195), 7 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 19:06:34,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:06:34,840 INFO L93 Difference]: Finished difference Result 56476 states and 93954 transitions. [2023-12-16 19:06:34,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-16 19:06:34,841 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 24.375) internal successors, (195), 7 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 195 [2023-12-16 19:06:34,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:06:34,884 INFO L225 Difference]: With dead ends: 56476 [2023-12-16 19:06:34,884 INFO L226 Difference]: Without dead ends: 42424 [2023-12-16 19:06:34,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2023-12-16 19:06:34,898 INFO L413 NwaCegarLoop]: 23745 mSDtfsCounter, 233782 mSDsluCounter, 118262 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233782 SdHoareTripleChecker+Valid, 142007 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-16 19:06:34,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [233782 Valid, 142007 Invalid, 527 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [0 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-16 19:06:34,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42424 states. [2023-12-16 19:06:35,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42424 to 14331. [2023-12-16 19:06:35,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14331 states, 14330 states have (on average 1.663572923935799) internal successors, (23839), 14330 states have internal predecessors, (23839), 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 19:06:35,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14331 states to 14331 states and 23839 transitions. [2023-12-16 19:06:35,163 INFO L78 Accepts]: Start accepts. Automaton has 14331 states and 23839 transitions. Word has length 195 [2023-12-16 19:06:35,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:06:35,163 INFO L495 AbstractCegarLoop]: Abstraction has 14331 states and 23839 transitions. [2023-12-16 19:06:35,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 24.375) internal successors, (195), 7 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-16 19:06:35,164 INFO L276 IsEmpty]: Start isEmpty. Operand 14331 states and 23839 transitions. [2023-12-16 19:06:35,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-12-16 19:06:35,165 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:06:35,165 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:06:35,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-16 19:06:35,165 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:06:35,165 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:06:35,165 INFO L85 PathProgramCache]: Analyzing trace with hash -905412572, now seen corresponding path program 1 times [2023-12-16 19:06:35,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:06:35,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722345873] [2023-12-16 19:06:35,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:06:35,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:06:35,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:06:36,363 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 19:06:36,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:06:36,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722345873] [2023-12-16 19:06:36,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722345873] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:06:36,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:06:36,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-16 19:06:36,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049947592] [2023-12-16 19:06:36,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:06:36,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-16 19:06:36,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:06:36,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-16 19:06:36,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-12-16 19:06:36,366 INFO L87 Difference]: Start difference. First operand 14331 states and 23839 transitions. Second operand has 9 states, 9 states have (on average 21.666666666666668) internal successors, (195), 8 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Received shutdown request... [2023-12-16 19:06:38,231 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 19:06:38,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 19:06:38,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2023-12-16 19:06:38,238 INFO L413 NwaCegarLoop]: 46544 mSDtfsCounter, 139430 mSDsluCounter, 71241 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139430 SdHoareTripleChecker+Valid, 117785 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-16 19:06:38,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139430 Valid, 117785 Invalid, 595 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-16 19:06:38,239 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 19:06:38,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-16 19:06:38,240 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (14331states) and FLOYD_HOARE automaton (currently 9 states, 9 states before enhancement),while ReachableStatesComputation was computing reachable states (42045 states constructed, input type IntersectNwa). [2023-12-16 19:06:38,243 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-12-16 19:06:38,244 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 19:06:38,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 07:06:38 BoogieIcfgContainer [2023-12-16 19:06:38,245 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 19:06:38,246 INFO L158 Benchmark]: Toolchain (without parser) took 50191.11ms. Allocated memory was 325.1MB in the beginning and 6.4GB in the end (delta: 6.1GB). Free memory was 254.2MB in the beginning and 4.3GB in the end (delta: -4.0GB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. [2023-12-16 19:06:38,246 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 197.1MB. Free memory is still 141.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 19:06:38,246 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2410.47ms. Allocated memory was 325.1MB in the beginning and 650.1MB in the end (delta: 325.1MB). Free memory was 253.7MB in the beginning and 347.4MB in the end (delta: -93.7MB). Peak memory consumption was 361.4MB. Max. memory is 8.0GB. [2023-12-16 19:06:38,246 INFO L158 Benchmark]: Boogie Procedure Inliner took 3969.66ms. Allocated memory was 650.1MB in the beginning and 5.0GB in the end (delta: 4.4GB). Free memory was 347.4MB in the beginning and 4.0GB in the end (delta: -3.6GB). Peak memory consumption was 916.5MB. Max. memory is 8.0GB. [2023-12-16 19:06:38,246 INFO L158 Benchmark]: Boogie Preprocessor took 4308.72ms. Allocated memory is still 5.0GB. Free memory was 4.0GB in the beginning and 3.6GB in the end (delta: 398.5MB). Peak memory consumption was 428.3MB. Max. memory is 8.0GB. [2023-12-16 19:06:38,247 INFO L158 Benchmark]: RCFGBuilder took 25602.39ms. Allocated memory was 5.0GB in the beginning and 6.2GB in the end (delta: 1.2GB). Free memory was 3.6GB in the beginning and 4.5GB in the end (delta: -915.4MB). Peak memory consumption was 747.1MB. Max. memory is 8.0GB. [2023-12-16 19:06:38,247 INFO L158 Benchmark]: TraceAbstraction took 13894.13ms. Allocated memory was 6.2GB in the beginning and 6.4GB in the end (delta: 210.8MB). Free memory was 4.5GB in the beginning and 4.3GB in the end (delta: 228.6MB). Peak memory consumption was 775.4MB. Max. memory is 8.0GB. [2023-12-16 19:06:38,248 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 197.1MB. Free memory is still 141.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 2410.47ms. Allocated memory was 325.1MB in the beginning and 650.1MB in the end (delta: 325.1MB). Free memory was 253.7MB in the beginning and 347.4MB in the end (delta: -93.7MB). Peak memory consumption was 361.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 3969.66ms. Allocated memory was 650.1MB in the beginning and 5.0GB in the end (delta: 4.4GB). Free memory was 347.4MB in the beginning and 4.0GB in the end (delta: -3.6GB). Peak memory consumption was 916.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 4308.72ms. Allocated memory is still 5.0GB. Free memory was 4.0GB in the beginning and 3.6GB in the end (delta: 398.5MB). Peak memory consumption was 428.3MB. Max. memory is 8.0GB. * RCFGBuilder took 25602.39ms. Allocated memory was 5.0GB in the beginning and 6.2GB in the end (delta: 1.2GB). Free memory was 3.6GB in the beginning and 4.5GB in the end (delta: -915.4MB). Peak memory consumption was 747.1MB. Max. memory is 8.0GB. * TraceAbstraction took 13894.13ms. Allocated memory was 6.2GB in the beginning and 6.4GB in the end (delta: 210.8MB). Free memory was 4.5GB in the beginning and 4.3GB in the end (delta: 228.6MB). Peak memory consumption was 775.4MB. 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 - TimeoutResultAtElement [Line: 21]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 21). Cancelled while NwaCegarLoop was constructing difference of abstraction (14331states) and FLOYD_HOARE automaton (currently 9 states, 9 states before enhancement),while ReachableStatesComputation was computing reachable states (42045 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14234 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 8.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 490348 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 490348 mSDsluCounter, 496362 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 354978 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1488 IncrementalHoareTripleChecker+Invalid, 1490 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 141384 mSDtfsCounter, 1488 mSolverCounterSat, 0.9s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14331occurred in iteration=4, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 42145 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 969 NumberOfCodeBlocks, 969 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 964 ConstructedInterpolants, 0 QuantifiedInterpolants, 3039 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown