/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.Huffman_dec.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 18:49:58,142 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 18:49:58,221 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 18:49:58,225 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 18:49:58,226 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 18:49:58,254 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 18:49:58,254 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 18:49:58,255 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 18:49:58,255 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 18:49:58,258 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 18:49:58,258 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 18:49:58,258 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 18:49:58,258 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 18:49:58,259 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 18:49:58,260 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 18:49:58,260 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 18:49:58,260 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 18:49:58,260 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 18:49:58,260 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 18:49:58,261 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 18:49:58,261 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 18:49:58,261 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 18:49:58,262 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 18:49:58,262 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 18:49:58,262 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 18:49:58,262 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 18:49:58,262 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 18:49:58,263 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 18:49:58,263 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 18:49:58,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 18:49:58,264 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 18:49:58,264 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 18:49:58,264 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 18:49:58,264 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 18:49:58,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 18:49:58,264 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 18:49:58,264 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 18:49:58,264 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 18:49:58,264 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 18:49:58,265 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 18:49:58,265 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-16 18:49:58,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 18:49:58,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 18:49:58,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 18:49:58,499 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 18:49:58,499 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 18:49:58,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c [2023-12-16 18:49:59,535 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 18:49:59,717 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 18:49:59,717 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.Huffman_dec.c [2023-12-16 18:49:59,727 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8386d8be/9b1f48d351e74d0cb71b66fcd2279aac/FLAG1c154831d [2023-12-16 18:49:59,741 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8386d8be/9b1f48d351e74d0cb71b66fcd2279aac [2023-12-16 18:49:59,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 18:49:59,743 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 18:49:59,744 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 18:49:59,744 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 18:49:59,750 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 18:49:59,751 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 06:49:59" (1/1) ... [2023-12-16 18:49:59,752 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@757f033e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:49:59, skipping insertion in model container [2023-12-16 18:49:59,752 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 06:49:59" (1/1) ... [2023-12-16 18:49:59,790 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 18:49:59,914 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.Huffman_dec.c[1251,1264] [2023-12-16 18:50:00,032 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 18:50:00,039 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 18:50:00,047 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.Huffman_dec.c[1251,1264] [2023-12-16 18:50:00,111 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 18:50:00,121 INFO L206 MainTranslator]: Completed translation [2023-12-16 18:50:00,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:50:00 WrapperNode [2023-12-16 18:50:00,121 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 18:50:00,122 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 18:50:00,122 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 18:50:00,122 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 18:50:00,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:50:00" (1/1) ... [2023-12-16 18:50:00,148 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:50:00" (1/1) ... [2023-12-16 18:50:00,295 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1473 [2023-12-16 18:50:00,295 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 18:50:00,296 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 18:50:00,296 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 18:50:00,297 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 18:50:00,304 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:50:00" (1/1) ... [2023-12-16 18:50:00,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:50:00" (1/1) ... [2023-12-16 18:50:00,328 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:50:00" (1/1) ... [2023-12-16 18:50:00,368 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 18:50:00,373 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:50:00" (1/1) ... [2023-12-16 18:50:00,373 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:50:00" (1/1) ... [2023-12-16 18:50:00,407 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:50:00" (1/1) ... [2023-12-16 18:50:00,413 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:50:00" (1/1) ... [2023-12-16 18:50:00,432 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:50:00" (1/1) ... [2023-12-16 18:50:00,442 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:50:00" (1/1) ... [2023-12-16 18:50:00,456 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 18:50:00,457 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 18:50:00,458 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 18:50:00,458 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 18:50:00,459 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:50:00" (1/1) ... [2023-12-16 18:50:00,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 18:50:00,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 18:50:00,483 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 18:50:00,487 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 18:50:00,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 18:50:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 18:50:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 18:50:00,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 18:50:00,668 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 18:50:00,669 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 18:50:01,646 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 18:50:01,701 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 18:50:01,701 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 18:50:01,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 06:50:01 BoogieIcfgContainer [2023-12-16 18:50:01,703 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 18:50:01,704 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 18:50:01,704 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 18:50:01,707 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 18:50:01,707 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 06:49:59" (1/3) ... [2023-12-16 18:50:01,708 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2214bbca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 06:50:01, skipping insertion in model container [2023-12-16 18:50:01,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:50:00" (2/3) ... [2023-12-16 18:50:01,708 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2214bbca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 06:50:01, skipping insertion in model container [2023-12-16 18:50:01,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 06:50:01" (3/3) ... [2023-12-16 18:50:01,709 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.Huffman_dec.c [2023-12-16 18:50:01,720 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 18:50:01,721 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 18:50:01,762 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 18:50:01,766 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;@13f6fa32, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 18:50:01,766 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 18:50:01,770 INFO L276 IsEmpty]: Start isEmpty. Operand has 218 states, 216 states have (on average 1.6666666666666667) internal successors, (360), 217 states have internal predecessors, (360), 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 18:50:01,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-12-16 18:50:01,777 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:50:01,777 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] [2023-12-16 18:50:01,778 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:50:01,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:50:01,785 INFO L85 PathProgramCache]: Analyzing trace with hash -462657757, now seen corresponding path program 1 times [2023-12-16 18:50:01,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:50:01,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24951272] [2023-12-16 18:50:01,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:50:01,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:50:02,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:50:02,903 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 18:50:02,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:50:02,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24951272] [2023-12-16 18:50:02,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24951272] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:50:02,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:50:02,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 18:50:02,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289880616] [2023-12-16 18:50:02,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:50:02,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 18:50:02,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:50:02,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 18:50:02,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 18:50:02,940 INFO L87 Difference]: Start difference. First operand has 218 states, 216 states have (on average 1.6666666666666667) internal successors, (360), 217 states have internal predecessors, (360), 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 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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 18:50:03,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:50:03,013 INFO L93 Difference]: Finished difference Result 429 states and 711 transitions. [2023-12-16 18:50:03,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:50:03,016 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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 70 [2023-12-16 18:50:03,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:50:03,026 INFO L225 Difference]: With dead ends: 429 [2023-12-16 18:50:03,026 INFO L226 Difference]: Without dead ends: 218 [2023-12-16 18:50:03,028 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 18:50:03,030 INFO L413 NwaCegarLoop]: 353 mSDtfsCounter, 1 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1054 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 18:50:03,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1054 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 18:50:03,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2023-12-16 18:50:03,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2023-12-16 18:50:03,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 217 states have (on average 1.6497695852534562) internal successors, (358), 217 states have internal predecessors, (358), 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 18:50:03,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 358 transitions. [2023-12-16 18:50:03,068 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 358 transitions. Word has length 70 [2023-12-16 18:50:03,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:50:03,069 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 358 transitions. [2023-12-16 18:50:03,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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 18:50:03,069 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 358 transitions. [2023-12-16 18:50:03,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-16 18:50:03,070 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:50:03,070 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] [2023-12-16 18:50:03,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 18:50:03,071 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:50:03,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:50:03,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1455763235, now seen corresponding path program 1 times [2023-12-16 18:50:03,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:50:03,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302024574] [2023-12-16 18:50:03,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:50:03,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:50:03,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:50:03,394 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 18:50:03,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:50:03,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302024574] [2023-12-16 18:50:03,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302024574] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:50:03,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:50:03,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 18:50:03,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573871671] [2023-12-16 18:50:03,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:50:03,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 18:50:03,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:50:03,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 18:50:03,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 18:50:03,400 INFO L87 Difference]: Start difference. First operand 218 states and 358 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 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 18:50:03,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:50:03,434 INFO L93 Difference]: Finished difference Result 432 states and 709 transitions. [2023-12-16 18:50:03,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:50:03,434 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 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 71 [2023-12-16 18:50:03,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:50:03,437 INFO L225 Difference]: With dead ends: 432 [2023-12-16 18:50:03,437 INFO L226 Difference]: Without dead ends: 221 [2023-12-16 18:50:03,440 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 18:50:03,441 INFO L413 NwaCegarLoop]: 353 mSDtfsCounter, 1 mSDsluCounter, 699 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1052 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 18:50:03,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1052 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 18:50:03,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2023-12-16 18:50:03,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 220. [2023-12-16 18:50:03,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 219 states have (on average 1.643835616438356) internal successors, (360), 219 states have internal predecessors, (360), 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 18:50:03,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 360 transitions. [2023-12-16 18:50:03,458 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 360 transitions. Word has length 71 [2023-12-16 18:50:03,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:50:03,458 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 360 transitions. [2023-12-16 18:50:03,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 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 18:50:03,459 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 360 transitions. [2023-12-16 18:50:03,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-16 18:50:03,460 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:50:03,460 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] [2023-12-16 18:50:03,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-16 18:50:03,460 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:50:03,461 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:50:03,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1905547901, now seen corresponding path program 1 times [2023-12-16 18:50:03,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:50:03,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210128014] [2023-12-16 18:50:03,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:50:03,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:50:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:50:04,364 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 18:50:04,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:50:04,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210128014] [2023-12-16 18:50:04,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210128014] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:50:04,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:50:04,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 18:50:04,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418111174] [2023-12-16 18:50:04,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:50:04,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:50:04,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:50:04,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:50:04,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:50:04,369 INFO L87 Difference]: Start difference. First operand 220 states and 360 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 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 18:50:04,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:50:04,423 INFO L93 Difference]: Finished difference Result 640 states and 1049 transitions. [2023-12-16 18:50:04,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 18:50:04,423 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 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 72 [2023-12-16 18:50:04,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:50:04,425 INFO L225 Difference]: With dead ends: 640 [2023-12-16 18:50:04,425 INFO L226 Difference]: Without dead ends: 427 [2023-12-16 18:50:04,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-16 18:50:04,429 INFO L413 NwaCegarLoop]: 498 mSDtfsCounter, 821 mSDsluCounter, 842 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 821 SdHoareTripleChecker+Valid, 1340 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 18:50:04,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [821 Valid, 1340 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 18:50:04,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2023-12-16 18:50:04,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 222. [2023-12-16 18:50:04,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 221 states have (on average 1.6380090497737556) internal successors, (362), 221 states have internal predecessors, (362), 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 18:50:04,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 362 transitions. [2023-12-16 18:50:04,440 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 362 transitions. Word has length 72 [2023-12-16 18:50:04,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:50:04,441 INFO L495 AbstractCegarLoop]: Abstraction has 222 states and 362 transitions. [2023-12-16 18:50:04,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 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 18:50:04,443 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 362 transitions. [2023-12-16 18:50:04,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-16 18:50:04,448 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:50:04,448 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] [2023-12-16 18:50:04,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-16 18:50:04,448 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:50:04,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:50:04,449 INFO L85 PathProgramCache]: Analyzing trace with hash 542349955, now seen corresponding path program 1 times [2023-12-16 18:50:04,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:50:04,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249893088] [2023-12-16 18:50:04,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:50:04,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:50:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:50:11,122 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 18:50:11,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:50:11,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249893088] [2023-12-16 18:50:11,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249893088] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:50:11,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:50:11,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 18:50:11,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493516475] [2023-12-16 18:50:11,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:50:11,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:50:11,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:50:11,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:50:11,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:50:11,124 INFO L87 Difference]: Start difference. First operand 222 states and 362 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 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 18:50:11,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:50:11,565 INFO L93 Difference]: Finished difference Result 437 states and 713 transitions. [2023-12-16 18:50:11,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:50:11,568 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 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 73 [2023-12-16 18:50:11,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:50:11,569 INFO L225 Difference]: With dead ends: 437 [2023-12-16 18:50:11,569 INFO L226 Difference]: Without dead ends: 222 [2023-12-16 18:50:11,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-16 18:50:11,570 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 299 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 18:50:11,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 407 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 18:50:11,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2023-12-16 18:50:11,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2023-12-16 18:50:11,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 221 states have (on average 1.6334841628959276) internal successors, (361), 221 states have internal predecessors, (361), 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 18:50:11,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 361 transitions. [2023-12-16 18:50:11,575 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 361 transitions. Word has length 73 [2023-12-16 18:50:11,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:50:11,575 INFO L495 AbstractCegarLoop]: Abstraction has 222 states and 361 transitions. [2023-12-16 18:50:11,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 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 18:50:11,575 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 361 transitions. [2023-12-16 18:50:11,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-16 18:50:11,576 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:50:11,576 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] [2023-12-16 18:50:11,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-16 18:50:11,576 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:50:11,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:50:11,576 INFO L85 PathProgramCache]: Analyzing trace with hash 149322945, now seen corresponding path program 1 times [2023-12-16 18:50:11,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:50:11,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078630257] [2023-12-16 18:50:11,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:50:11,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:50:12,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:50:32,355 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 18:50:32,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:50:32,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078630257] [2023-12-16 18:50:32,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078630257] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:50:32,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:50:32,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [56] imperfect sequences [] total 56 [2023-12-16 18:50:32,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364765768] [2023-12-16 18:50:32,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:50:32,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2023-12-16 18:50:32,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:50:32,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2023-12-16 18:50:32,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=3054, Unknown=0, NotChecked=0, Total=3192 [2023-12-16 18:50:32,358 INFO L87 Difference]: Start difference. First operand 222 states and 361 transitions. Second operand has 57 states, 57 states have (on average 1.280701754385965) internal successors, (73), 56 states have internal predecessors, (73), 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 18:50:54,816 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 18:50:54,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2023-12-16 18:50:54,885 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5808 ImplicationChecksByTransitivity, 25.1s TimeCoverageRelationStatistics Valid=3943, Invalid=21179, Unknown=0, NotChecked=0, Total=25122 [2023-12-16 18:50:54,886 INFO L413 NwaCegarLoop]: 332 mSDtfsCounter, 99625 mSDsluCounter, 16959 mSDsCounter, 0 mSdLazyCounter, 2038 mSolverCounterSat, 349 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99625 SdHoareTripleChecker+Valid, 17291 SdHoareTripleChecker+Invalid, 2387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 349 IncrementalHoareTripleChecker+Valid, 2038 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-16 18:50:54,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99625 Valid, 17291 Invalid, 2387 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [349 Valid, 2038 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-16 18:50:54,888 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 18:50:54,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-16 18:50:54,889 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (222states) and FLOYD_HOARE automaton (currently 106 states, 57 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-32-1 term,while SimplifyDDA2 was simplifying 32 xjuncts wrt. a ATOM-1 context. [2023-12-16 18:50:54,892 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-12-16 18:50:54,896 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 18:50:54,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 06:50:54 BoogieIcfgContainer [2023-12-16 18:50:54,899 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 18:50:54,902 INFO L158 Benchmark]: Toolchain (without parser) took 55157.93ms. Allocated memory was 345.0MB in the beginning and 1.1GB in the end (delta: 741.3MB). Free memory was 293.9MB in the beginning and 402.0MB in the end (delta: -108.1MB). Peak memory consumption was 634.6MB. Max. memory is 8.0GB. [2023-12-16 18:50:54,903 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 255.9MB. Free memory is still 207.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 18:50:54,903 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.44ms. Allocated memory is still 345.0MB. Free memory was 293.7MB in the beginning and 260.6MB in the end (delta: 33.0MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2023-12-16 18:50:54,905 INFO L158 Benchmark]: Boogie Procedure Inliner took 173.37ms. Allocated memory is still 345.0MB. Free memory was 260.6MB in the beginning and 288.6MB in the end (delta: -27.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-12-16 18:50:54,905 INFO L158 Benchmark]: Boogie Preprocessor took 160.93ms. Allocated memory is still 345.0MB. Free memory was 288.6MB in the beginning and 273.4MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-12-16 18:50:54,905 INFO L158 Benchmark]: RCFGBuilder took 1245.26ms. Allocated memory is still 345.0MB. Free memory was 273.4MB in the beginning and 208.1MB in the end (delta: 65.3MB). Peak memory consumption was 65.8MB. Max. memory is 8.0GB. [2023-12-16 18:50:54,906 INFO L158 Benchmark]: TraceAbstraction took 53196.44ms. Allocated memory was 345.0MB in the beginning and 1.1GB in the end (delta: 741.3MB). Free memory was 207.5MB in the beginning and 402.0MB in the end (delta: -194.5MB). Peak memory consumption was 546.9MB. Max. memory is 8.0GB. [2023-12-16 18:50:54,907 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 255.9MB. Free memory is still 207.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 377.44ms. Allocated memory is still 345.0MB. Free memory was 293.7MB in the beginning and 260.6MB in the end (delta: 33.0MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 173.37ms. Allocated memory is still 345.0MB. Free memory was 260.6MB in the beginning and 288.6MB in the end (delta: -27.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 160.93ms. Allocated memory is still 345.0MB. Free memory was 288.6MB in the beginning and 273.4MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * RCFGBuilder took 1245.26ms. Allocated memory is still 345.0MB. Free memory was 273.4MB in the beginning and 208.1MB in the end (delta: 65.3MB). Peak memory consumption was 65.8MB. Max. memory is 8.0GB. * TraceAbstraction took 53196.44ms. Allocated memory was 345.0MB in the beginning and 1.1GB in the end (delta: 741.3MB). Free memory was 207.5MB in the beginning and 402.0MB in the end (delta: -194.5MB). Peak memory consumption was 546.9MB. 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 (222states) and FLOYD_HOARE automaton (currently 106 states, 57 states before enhancement),while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-32-1 term,while SimplifyDDA2 was simplifying 32 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 218 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 53.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 23.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 100747 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 100747 mSDsluCounter, 21144 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19404 mSDsCounter, 350 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2383 IncrementalHoareTripleChecker+Invalid, 2733 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 350 mSolverCounterUnsat, 1740 mSDtfsCounter, 2383 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 181 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5809 ImplicationChecksByTransitivity, 25.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=222occurred in iteration=3, InterpolantAutomatonStates: 18, 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, 4 MinimizatonAttempts, 206 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 28.2s InterpolantComputationTime, 359 NumberOfCodeBlocks, 359 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 354 ConstructedInterpolants, 0 QuantifiedInterpolants, 11060 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