/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.cal26.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 19:10:55,666 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 19:10:55,723 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 19:10:55,726 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 19:10:55,726 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 19:10:55,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 19:10:55,754 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 19:10:55,754 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 19:10:55,755 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 19:10:55,758 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 19:10:55,758 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 19:10:55,758 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 19:10:55,758 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 19:10:55,759 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 19:10:55,759 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 19:10:55,759 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 19:10:55,759 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 19:10:55,760 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 19:10:55,760 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 19:10:55,760 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 19:10:55,760 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 19:10:55,760 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 19:10:55,760 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 19:10:55,761 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 19:10:55,761 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 19:10:55,761 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 19:10:55,761 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 19:10:55,761 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 19:10:55,761 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 19:10:55,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 19:10:55,762 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 19:10:55,762 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 19:10:55,762 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 19:10:55,763 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 19:10:55,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 19:10:55,763 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 19:10:55,763 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 19:10:55,763 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 19:10:55,763 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 19:10:55,763 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 19:10:55,763 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-16 19:10:55,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 19:10:55,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 19:10:55,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 19:10:55,983 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 19:10:55,983 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 19:10:55,983 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal26.c [2023-12-16 19:10:56,916 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 19:10:57,293 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 19:10:57,294 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.cal26.c [2023-12-16 19:10:57,326 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/454cf10d7/ec9a14dd60a5434f9082e859bf72104e/FLAGad9f64ff8 [2023-12-16 19:10:57,344 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/454cf10d7/ec9a14dd60a5434f9082e859bf72104e [2023-12-16 19:10:57,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 19:10:57,348 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 19:10:57,349 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 19:10:57,350 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 19:10:57,352 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 19:10:57,353 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 07:10:57" (1/1) ... [2023-12-16 19:10:57,354 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5619ea7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:10:57, skipping insertion in model container [2023-12-16 19:10:57,354 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 07:10:57" (1/1) ... [2023-12-16 19:10:57,466 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 19:10:57,704 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.cal26.c[1245,1258] [2023-12-16 19:10:58,474 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 19:10:58,481 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 19:10:58,489 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.cal26.c[1245,1258] [2023-12-16 19:10:59,000 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 19:10:59,010 INFO L206 MainTranslator]: Completed translation [2023-12-16 19:10:59,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:10:59 WrapperNode [2023-12-16 19:10:59,011 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 19:10:59,011 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 19:10:59,011 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 19:10:59,011 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 19:10:59,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:10:59" (1/1) ... [2023-12-16 19:10:59,208 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:10:59" (1/1) ... [2023-12-16 19:11:02,183 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 40882 [2023-12-16 19:11:02,184 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 19:11:02,185 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 19:11:02,185 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 19:11:02,185 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 19:11:02,193 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:10:59" (1/1) ... [2023-12-16 19:11:02,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:10:59" (1/1) ... [2023-12-16 19:11:03,141 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:10:59" (1/1) ... [2023-12-16 19:11:03,566 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2023-12-16 19:11:03,566 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:10:59" (1/1) ... [2023-12-16 19:11:03,566 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:10:59" (1/1) ... [2023-12-16 19:11:04,481 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:10:59" (1/1) ... [2023-12-16 19:11:04,578 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:10:59" (1/1) ... [2023-12-16 19:11:04,739 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:10:59" (1/1) ... [2023-12-16 19:11:04,854 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:10:59" (1/1) ... [2023-12-16 19:11:05,316 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 19:11:05,317 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 19:11:05,317 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 19:11:05,317 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 19:11:05,318 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:10:59" (1/1) ... [2023-12-16 19:11:05,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 19:11:05,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 19:11:05,346 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 19:11:05,365 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 19:11:05,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 19:11:05,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 19:11:05,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-16 19:11:05,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 19:11:05,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 19:11:06,665 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 19:11:06,666 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 19:11:20,642 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 19:11:21,043 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 19:11:21,043 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 19:11:21,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 07:11:21 BoogieIcfgContainer [2023-12-16 19:11:21,045 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 19:11:21,046 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 19:11:21,046 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 19:11:21,048 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 19:11:21,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 07:10:57" (1/3) ... [2023-12-16 19:11:21,049 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57eb8bd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 07:11:21, skipping insertion in model container [2023-12-16 19:11:21,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 07:10:59" (2/3) ... [2023-12-16 19:11:21,049 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57eb8bd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 07:11:21, skipping insertion in model container [2023-12-16 19:11:21,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 07:11:21" (3/3) ... [2023-12-16 19:11:21,050 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal26.c [2023-12-16 19:11:21,061 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 19:11:21,061 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 19:11:21,188 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 19:11:21,192 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;@5cf5a870, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 19:11:21,192 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 19:11:21,213 INFO L276 IsEmpty]: Start isEmpty. Operand has 9221 states, 9219 states have (on average 1.6672090248400044) internal successors, (15370), 9220 states have internal predecessors, (15370), 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 19:11:21,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2023-12-16 19:11:21,235 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:11:21,235 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:11:21,236 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:11:21,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:11:21,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1043118759, now seen corresponding path program 1 times [2023-12-16 19:11:21,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:11:21,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340659012] [2023-12-16 19:11:21,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:11:21,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:11:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:11:22,547 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 19:11:22,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:11:22,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340659012] [2023-12-16 19:11:22,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340659012] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:11:22,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:11:22,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 19:11:22,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648801011] [2023-12-16 19:11:22,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:11:22,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 19:11:22,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:11:22,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 19:11:22,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 19:11:22,598 INFO L87 Difference]: Start difference. First operand has 9221 states, 9219 states have (on average 1.6672090248400044) internal successors, (15370), 9220 states have internal predecessors, (15370), 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 57.0) internal successors, (228), 4 states have internal predecessors, (228), 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 19:11:23,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:11:23,150 INFO L93 Difference]: Finished difference Result 18375 states and 30631 transitions. [2023-12-16 19:11:23,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 19:11:23,153 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 57.0) internal successors, (228), 4 states have internal predecessors, (228), 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 228 [2023-12-16 19:11:23,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:11:23,191 INFO L225 Difference]: With dead ends: 18375 [2023-12-16 19:11:23,191 INFO L226 Difference]: Without dead ends: 9221 [2023-12-16 19:11:23,204 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 19:11:23,207 INFO L413 NwaCegarLoop]: 15363 mSDtfsCounter, 1 mSDsluCounter, 30721 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 46084 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 19:11:23,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 46084 Invalid, 13 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 19:11:23,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9221 states. [2023-12-16 19:11:23,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9221 to 9221. [2023-12-16 19:11:23,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9221 states, 9220 states have (on average 1.6668112798264643) internal successors, (15368), 9220 states have internal predecessors, (15368), 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 19:11:23,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9221 states to 9221 states and 15368 transitions. [2023-12-16 19:11:23,402 INFO L78 Accepts]: Start accepts. Automaton has 9221 states and 15368 transitions. Word has length 228 [2023-12-16 19:11:23,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:11:23,403 INFO L495 AbstractCegarLoop]: Abstraction has 9221 states and 15368 transitions. [2023-12-16 19:11:23,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 57.0) internal successors, (228), 4 states have internal predecessors, (228), 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 19:11:23,403 INFO L276 IsEmpty]: Start isEmpty. Operand 9221 states and 15368 transitions. [2023-12-16 19:11:23,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2023-12-16 19:11:23,411 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:11:23,411 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:11:23,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 19:11:23,412 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:11:23,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:11:23,412 INFO L85 PathProgramCache]: Analyzing trace with hash -2021330532, now seen corresponding path program 1 times [2023-12-16 19:11:23,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:11:23,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955559570] [2023-12-16 19:11:23,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:11:23,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:11:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:11:24,093 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 19:11:24,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:11:24,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955559570] [2023-12-16 19:11:24,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955559570] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:11:24,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:11:24,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 19:11:24,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586033144] [2023-12-16 19:11:24,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:11:24,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 19:11:24,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:11:24,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 19:11:24,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 19:11:24,100 INFO L87 Difference]: Start difference. First operand 9221 states and 15368 transitions. Second operand has 5 states, 5 states have (on average 45.8) internal successors, (229), 4 states have internal predecessors, (229), 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 19:11:25,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:11:25,427 INFO L93 Difference]: Finished difference Result 27412 states and 45652 transitions. [2023-12-16 19:11:25,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 19:11:25,427 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 45.8) internal successors, (229), 4 states have internal predecessors, (229), 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 229 [2023-12-16 19:11:25,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:11:25,453 INFO L225 Difference]: With dead ends: 27412 [2023-12-16 19:11:25,453 INFO L226 Difference]: Without dead ends: 9221 [2023-12-16 19:11:25,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-16 19:11:25,471 INFO L413 NwaCegarLoop]: 15324 mSDtfsCounter, 44855 mSDsluCounter, 30177 mSDsCounter, 0 mSdLazyCounter, 829 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44855 SdHoareTripleChecker+Valid, 45501 SdHoareTripleChecker+Invalid, 941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 829 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-16 19:11:25,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44855 Valid, 45501 Invalid, 941 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [112 Valid, 829 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-16 19:11:25,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9221 states. [2023-12-16 19:11:25,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9221 to 9221. [2023-12-16 19:11:25,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9221 states, 9220 states have (on average 1.666702819956616) internal successors, (15367), 9220 states have internal predecessors, (15367), 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 19:11:25,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9221 states to 9221 states and 15367 transitions. [2023-12-16 19:11:25,641 INFO L78 Accepts]: Start accepts. Automaton has 9221 states and 15367 transitions. Word has length 229 [2023-12-16 19:11:25,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:11:25,642 INFO L495 AbstractCegarLoop]: Abstraction has 9221 states and 15367 transitions. [2023-12-16 19:11:25,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 45.8) internal successors, (229), 4 states have internal predecessors, (229), 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 19:11:25,642 INFO L276 IsEmpty]: Start isEmpty. Operand 9221 states and 15367 transitions. [2023-12-16 19:11:25,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2023-12-16 19:11:25,644 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:11:25,644 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:11:25,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-16 19:11:25,645 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:11:25,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:11:25,651 INFO L85 PathProgramCache]: Analyzing trace with hash -2112663969, now seen corresponding path program 1 times [2023-12-16 19:11:25,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:11:25,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353891846] [2023-12-16 19:11:25,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:11:25,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:11:25,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:11:26,085 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 19:11:26,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:11:26,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353891846] [2023-12-16 19:11:26,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353891846] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:11:26,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:11:26,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 19:11:26,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34933210] [2023-12-16 19:11:26,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:11:26,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 19:11:26,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:11:26,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 19:11:26,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 19:11:26,087 INFO L87 Difference]: Start difference. First operand 9221 states and 15367 transitions. Second operand has 5 states, 5 states have (on average 46.0) internal successors, (230), 4 states have internal predecessors, (230), 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 19:11:27,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:11:27,155 INFO L93 Difference]: Finished difference Result 18375 states and 30623 transitions. [2023-12-16 19:11:27,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 19:11:27,156 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 46.0) internal successors, (230), 4 states have internal predecessors, (230), 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 230 [2023-12-16 19:11:27,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:11:27,188 INFO L225 Difference]: With dead ends: 18375 [2023-12-16 19:11:27,188 INFO L226 Difference]: Without dead ends: 9221 [2023-12-16 19:11:27,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-16 19:11:27,200 INFO L413 NwaCegarLoop]: 14854 mSDtfsCounter, 15358 mSDsluCounter, 14853 mSDsCounter, 0 mSdLazyCounter, 1017 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15358 SdHoareTripleChecker+Valid, 29707 SdHoareTripleChecker+Invalid, 1018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-16 19:11:27,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15358 Valid, 29707 Invalid, 1018 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1017 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-16 19:11:27,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9221 states. [2023-12-16 19:11:27,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9221 to 9221. [2023-12-16 19:11:27,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9221 states, 9220 states have (on average 1.6665943600867679) internal successors, (15366), 9220 states have internal predecessors, (15366), 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 19:11:27,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9221 states to 9221 states and 15366 transitions. [2023-12-16 19:11:27,324 INFO L78 Accepts]: Start accepts. Automaton has 9221 states and 15366 transitions. Word has length 230 [2023-12-16 19:11:27,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:11:27,325 INFO L495 AbstractCegarLoop]: Abstraction has 9221 states and 15366 transitions. [2023-12-16 19:11:27,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 46.0) internal successors, (230), 4 states have internal predecessors, (230), 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 19:11:27,328 INFO L276 IsEmpty]: Start isEmpty. Operand 9221 states and 15366 transitions. [2023-12-16 19:11:27,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2023-12-16 19:11:27,333 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:11:27,333 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:11:27,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-16 19:11:27,334 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:11:27,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:11:27,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1499299988, now seen corresponding path program 1 times [2023-12-16 19:11:27,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:11:27,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362390136] [2023-12-16 19:11:27,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:11:27,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:11:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:11:27,759 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 19:11:27,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:11:27,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362390136] [2023-12-16 19:11:27,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362390136] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:11:27,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:11:27,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 19:11:27,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767558871] [2023-12-16 19:11:27,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:11:27,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 19:11:27,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:11:27,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 19:11:27,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 19:11:27,761 INFO L87 Difference]: Start difference. First operand 9221 states and 15366 transitions. Second operand has 5 states, 5 states have (on average 46.2) internal successors, (231), 4 states have internal predecessors, (231), 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 19:11:28,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:11:28,638 INFO L93 Difference]: Finished difference Result 18375 states and 30621 transitions. [2023-12-16 19:11:28,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 19:11:28,639 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 46.2) internal successors, (231), 4 states have internal predecessors, (231), 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 231 [2023-12-16 19:11:28,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:11:28,651 INFO L225 Difference]: With dead ends: 18375 [2023-12-16 19:11:28,651 INFO L226 Difference]: Without dead ends: 9221 [2023-12-16 19:11:28,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-16 19:11:28,661 INFO L413 NwaCegarLoop]: 14854 mSDtfsCounter, 15342 mSDsluCounter, 14853 mSDsCounter, 0 mSdLazyCounter, 1015 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15342 SdHoareTripleChecker+Valid, 29707 SdHoareTripleChecker+Invalid, 1016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1015 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-16 19:11:28,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15342 Valid, 29707 Invalid, 1016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1015 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-16 19:11:28,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9221 states. [2023-12-16 19:11:28,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9221 to 9221. [2023-12-16 19:11:28,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9221 states, 9220 states have (on average 1.6664859002169197) internal successors, (15365), 9220 states have internal predecessors, (15365), 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 19:11:28,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9221 states to 9221 states and 15365 transitions. [2023-12-16 19:11:28,780 INFO L78 Accepts]: Start accepts. Automaton has 9221 states and 15365 transitions. Word has length 231 [2023-12-16 19:11:28,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:11:28,781 INFO L495 AbstractCegarLoop]: Abstraction has 9221 states and 15365 transitions. [2023-12-16 19:11:28,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 46.2) internal successors, (231), 4 states have internal predecessors, (231), 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 19:11:28,781 INFO L276 IsEmpty]: Start isEmpty. Operand 9221 states and 15365 transitions. [2023-12-16 19:11:28,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2023-12-16 19:11:28,782 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:11:28,782 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:11:28,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-16 19:11:28,783 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:11:28,783 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:11:28,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1441411511, now seen corresponding path program 1 times [2023-12-16 19:11:28,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:11:28,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878411578] [2023-12-16 19:11:28,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:11:28,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:11:28,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:11:29,207 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 19:11:29,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:11:29,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878411578] [2023-12-16 19:11:29,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878411578] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:11:29,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:11:29,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 19:11:29,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320484282] [2023-12-16 19:11:29,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:11:29,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 19:11:29,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:11:29,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 19:11:29,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 19:11:29,209 INFO L87 Difference]: Start difference. First operand 9221 states and 15365 transitions. Second operand has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 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 19:11:29,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:11:29,364 INFO L93 Difference]: Finished difference Result 18378 states and 30623 transitions. [2023-12-16 19:11:29,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 19:11:29,364 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 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 232 [2023-12-16 19:11:29,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:11:29,377 INFO L225 Difference]: With dead ends: 18378 [2023-12-16 19:11:29,377 INFO L226 Difference]: Without dead ends: 9224 [2023-12-16 19:11:29,386 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 19:11:29,386 INFO L413 NwaCegarLoop]: 15360 mSDtfsCounter, 1 mSDsluCounter, 30713 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 46073 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 19:11:29,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 46073 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 19:11:29,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9224 states. [2023-12-16 19:11:29,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9224 to 9223. [2023-12-16 19:11:29,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9223 states, 9222 states have (on average 1.6663413576230752) internal successors, (15367), 9222 states have internal predecessors, (15367), 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 19:11:29,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9223 states to 9223 states and 15367 transitions. [2023-12-16 19:11:29,503 INFO L78 Accepts]: Start accepts. Automaton has 9223 states and 15367 transitions. Word has length 232 [2023-12-16 19:11:29,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:11:29,503 INFO L495 AbstractCegarLoop]: Abstraction has 9223 states and 15367 transitions. [2023-12-16 19:11:29,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.0) internal successors, (232), 4 states have internal predecessors, (232), 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 19:11:29,503 INFO L276 IsEmpty]: Start isEmpty. Operand 9223 states and 15367 transitions. [2023-12-16 19:11:29,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2023-12-16 19:11:29,505 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:11:29,505 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:11:29,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-16 19:11:29,505 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:11:29,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:11:29,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1944514988, now seen corresponding path program 1 times [2023-12-16 19:11:29,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:11:29,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779000180] [2023-12-16 19:11:29,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:11:29,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:11:29,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:11:30,105 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 19:11:30,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:11:30,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779000180] [2023-12-16 19:11:30,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779000180] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:11:30,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:11:30,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 19:11:30,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864478852] [2023-12-16 19:11:30,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:11:30,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 19:11:30,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:11:30,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 19:11:30,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 19:11:30,107 INFO L87 Difference]: Start difference. First operand 9223 states and 15367 transitions. Second operand has 4 states, 4 states have (on average 58.25) internal successors, (233), 3 states have internal predecessors, (233), 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 19:11:34,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-16 19:11:34,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:11:34,420 INFO L93 Difference]: Finished difference Result 18379 states and 30623 transitions. [2023-12-16 19:11:34,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 19:11:34,425 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 58.25) internal successors, (233), 3 states have internal predecessors, (233), 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 233 [2023-12-16 19:11:34,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:11:34,440 INFO L225 Difference]: With dead ends: 18379 [2023-12-16 19:11:34,440 INFO L226 Difference]: Without dead ends: 9223 [2023-12-16 19:11:34,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 19:11:34,453 INFO L413 NwaCegarLoop]: 13586 mSDtfsCounter, 15266 mSDsluCounter, 13585 mSDsCounter, 0 mSdLazyCounter, 3549 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15266 SdHoareTripleChecker+Valid, 27171 SdHoareTripleChecker+Invalid, 3549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-12-16 19:11:34,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15266 Valid, 27171 Invalid, 3549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3549 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-12-16 19:11:34,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9223 states. [2023-12-16 19:11:34,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9223 to 9223. [2023-12-16 19:11:34,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9223 states, 9222 states have (on average 1.6662329212752114) internal successors, (15366), 9222 states have internal predecessors, (15366), 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 19:11:34,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9223 states to 9223 states and 15366 transitions. [2023-12-16 19:11:34,572 INFO L78 Accepts]: Start accepts. Automaton has 9223 states and 15366 transitions. Word has length 233 [2023-12-16 19:11:34,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:11:34,572 INFO L495 AbstractCegarLoop]: Abstraction has 9223 states and 15366 transitions. [2023-12-16 19:11:34,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 58.25) internal successors, (233), 3 states have internal predecessors, (233), 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 19:11:34,572 INFO L276 IsEmpty]: Start isEmpty. Operand 9223 states and 15366 transitions. [2023-12-16 19:11:34,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2023-12-16 19:11:34,573 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:11:34,574 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:11:34,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-16 19:11:34,574 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:11:34,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:11:34,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1075176779, now seen corresponding path program 1 times [2023-12-16 19:11:34,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:11:34,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319624363] [2023-12-16 19:11:34,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:11:34,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:11:34,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:11:35,237 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 19:11:35,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:11:35,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319624363] [2023-12-16 19:11:35,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319624363] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:11:35,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:11:35,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 19:11:35,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360708992] [2023-12-16 19:11:35,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:11:35,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 19:11:35,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:11:35,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 19:11:35,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 19:11:35,239 INFO L87 Difference]: Start difference. First operand 9223 states and 15366 transitions. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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 19:11:35,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:11:35,342 INFO L93 Difference]: Finished difference Result 18617 states and 31014 transitions. [2023-12-16 19:11:35,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 19:11:35,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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 234 [2023-12-16 19:11:35,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:11:35,354 INFO L225 Difference]: With dead ends: 18617 [2023-12-16 19:11:35,355 INFO L226 Difference]: Without dead ends: 9461 [2023-12-16 19:11:35,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 19:11:35,364 INFO L413 NwaCegarLoop]: 15750 mSDtfsCounter, 15249 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15249 SdHoareTripleChecker+Valid, 16252 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 19:11:35,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15249 Valid, 16252 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 19:11:35,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9461 states. [2023-12-16 19:11:35,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9461 to 9223. [2023-12-16 19:11:35,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9223 states, 9222 states have (on average 1.6661244849273475) internal successors, (15365), 9222 states have internal predecessors, (15365), 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 19:11:35,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9223 states to 9223 states and 15365 transitions. [2023-12-16 19:11:35,487 INFO L78 Accepts]: Start accepts. Automaton has 9223 states and 15365 transitions. Word has length 234 [2023-12-16 19:11:35,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:11:35,487 INFO L495 AbstractCegarLoop]: Abstraction has 9223 states and 15365 transitions. [2023-12-16 19:11:35,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 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 19:11:35,488 INFO L276 IsEmpty]: Start isEmpty. Operand 9223 states and 15365 transitions. [2023-12-16 19:11:35,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-12-16 19:11:35,489 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:11:35,489 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:11:35,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-16 19:11:35,489 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:11:35,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:11:35,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1189487474, now seen corresponding path program 1 times [2023-12-16 19:11:35,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:11:35,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990314629] [2023-12-16 19:11:35,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:11:35,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:11:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:11:36,530 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 19:11:36,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:11:36,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990314629] [2023-12-16 19:11:36,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990314629] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:11:36,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:11:36,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 19:11:36,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386175842] [2023-12-16 19:11:36,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:11:36,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 19:11:36,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:11:36,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 19:11:36,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-16 19:11:36,533 INFO L87 Difference]: Start difference. First operand 9223 states and 15365 transitions. Second operand has 6 states, 6 states have (on average 39.166666666666664) internal successors, (235), 5 states have internal predecessors, (235), 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 19:11:37,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:11:37,394 INFO L93 Difference]: Finished difference Result 27800 states and 46310 transitions. [2023-12-16 19:11:37,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-16 19:11:37,396 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 39.166666666666664) internal successors, (235), 5 states have internal predecessors, (235), 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 235 [2023-12-16 19:11:37,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:11:37,444 INFO L225 Difference]: With dead ends: 27800 [2023-12-16 19:11:37,445 INFO L226 Difference]: Without dead ends: 18644 [2023-12-16 19:11:37,458 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 19:11:37,459 INFO L413 NwaCegarLoop]: 15736 mSDtfsCounter, 76569 mSDsluCounter, 45910 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76569 SdHoareTripleChecker+Valid, 61646 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 19:11:37,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76569 Valid, 61646 Invalid, 234 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 19:11:37,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18644 states. [2023-12-16 19:11:37,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18644 to 9489. [2023-12-16 19:11:37,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9489 states, 9488 states have (on average 1.6655775716694772) internal successors, (15803), 9488 states have internal predecessors, (15803), 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 19:11:37,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9489 states to 9489 states and 15803 transitions. [2023-12-16 19:11:37,624 INFO L78 Accepts]: Start accepts. Automaton has 9489 states and 15803 transitions. Word has length 235 [2023-12-16 19:11:37,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:11:37,625 INFO L495 AbstractCegarLoop]: Abstraction has 9489 states and 15803 transitions. [2023-12-16 19:11:37,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 39.166666666666664) internal successors, (235), 5 states have internal predecessors, (235), 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 19:11:37,625 INFO L276 IsEmpty]: Start isEmpty. Operand 9489 states and 15803 transitions. [2023-12-16 19:11:37,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2023-12-16 19:11:37,626 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:11:37,626 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:11:37,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-16 19:11:37,627 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:11:37,627 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:11:37,627 INFO L85 PathProgramCache]: Analyzing trace with hash -914465195, now seen corresponding path program 1 times [2023-12-16 19:11:37,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:11:37,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935567833] [2023-12-16 19:11:37,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:11:37,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:11:37,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:11:38,501 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 19:11:38,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:11:38,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935567833] [2023-12-16 19:11:38,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935567833] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:11:38,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:11:38,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 19:11:38,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549691045] [2023-12-16 19:11:38,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:11:38,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 19:11:38,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:11:38,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 19:11:38,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-12-16 19:11:38,504 INFO L87 Difference]: Start difference. First operand 9489 states and 15803 transitions. Second operand has 8 states, 8 states have (on average 29.5) internal successors, (236), 7 states have internal predecessors, (236), 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 19:11:40,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:11:40,040 INFO L93 Difference]: Finished difference Result 36949 states and 61553 transitions. [2023-12-16 19:11:40,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-16 19:11:40,044 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 29.5) internal successors, (236), 7 states have internal predecessors, (236), 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 236 [2023-12-16 19:11:40,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:11:40,071 INFO L225 Difference]: With dead ends: 36949 [2023-12-16 19:11:40,071 INFO L226 Difference]: Without dead ends: 27793 [2023-12-16 19:11:40,079 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 19:11:40,080 INFO L413 NwaCegarLoop]: 15738 mSDtfsCounter, 151970 mSDsluCounter, 77375 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151970 SdHoareTripleChecker+Valid, 93113 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 19:11:40,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151970 Valid, 93113 Invalid, 371 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 19:11:40,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27793 states. [2023-12-16 19:11:40,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27793 to 9492. [2023-12-16 19:11:40,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9492 states, 9491 states have (on average 1.6654725529448953) internal successors, (15807), 9491 states have internal predecessors, (15807), 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 19:11:40,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9492 states to 9492 states and 15807 transitions. [2023-12-16 19:11:40,241 INFO L78 Accepts]: Start accepts. Automaton has 9492 states and 15807 transitions. Word has length 236 [2023-12-16 19:11:40,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:11:40,241 INFO L495 AbstractCegarLoop]: Abstraction has 9492 states and 15807 transitions. [2023-12-16 19:11:40,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 29.5) internal successors, (236), 7 states have internal predecessors, (236), 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 19:11:40,241 INFO L276 IsEmpty]: Start isEmpty. Operand 9492 states and 15807 transitions. [2023-12-16 19:11:40,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2023-12-16 19:11:40,243 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:11:40,243 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:11:40,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-16 19:11:40,243 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:11:40,243 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:11:40,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1307492205, now seen corresponding path program 1 times [2023-12-16 19:11:40,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:11:40,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654379250] [2023-12-16 19:11:40,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:11:40,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:11:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:11:41,486 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 19:11:41,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:11:41,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654379250] [2023-12-16 19:11:41,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654379250] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:11:41,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:11:41,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-16 19:11:41,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725516961] [2023-12-16 19:11:41,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:11:41,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-16 19:11:41,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:11:41,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-16 19:11:41,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-12-16 19:11:41,490 INFO L87 Difference]: Start difference. First operand 9492 states and 15807 transitions. Second operand has 9 states, 9 states have (on average 26.22222222222222) internal successors, (236), 8 states have internal predecessors, (236), 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 19:11:43,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:11:43,252 INFO L93 Difference]: Finished difference Result 36950 states and 61555 transitions. [2023-12-16 19:11:43,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-16 19:11:43,254 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 26.22222222222222) internal successors, (236), 8 states have internal predecessors, (236), 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 236 [2023-12-16 19:11:43,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:11:43,292 INFO L225 Difference]: With dead ends: 36950 [2023-12-16 19:11:43,292 INFO L226 Difference]: Without dead ends: 27794 [2023-12-16 19:11:43,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2023-12-16 19:11:43,308 INFO L413 NwaCegarLoop]: 30889 mSDtfsCounter, 107056 mSDsluCounter, 108529 mSDsCounter, 0 mSdLazyCounter, 724 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107056 SdHoareTripleChecker+Valid, 139418 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-16 19:11:43,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107056 Valid, 139418 Invalid, 725 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1 Valid, 724 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-16 19:11:43,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27794 states. [2023-12-16 19:11:43,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27794 to 9495. [2023-12-16 19:11:43,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9495 states, 9494 states have (on average 1.6653676005898461) internal successors, (15811), 9494 states have internal predecessors, (15811), 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 19:11:43,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9495 states to 9495 states and 15811 transitions. [2023-12-16 19:11:43,499 INFO L78 Accepts]: Start accepts. Automaton has 9495 states and 15811 transitions. Word has length 236 [2023-12-16 19:11:43,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:11:43,500 INFO L495 AbstractCegarLoop]: Abstraction has 9495 states and 15811 transitions. [2023-12-16 19:11:43,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 26.22222222222222) internal successors, (236), 8 states have internal predecessors, (236), 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 19:11:43,500 INFO L276 IsEmpty]: Start isEmpty. Operand 9495 states and 15811 transitions. [2023-12-16 19:11:43,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2023-12-16 19:11:43,503 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:11:43,503 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:11:43,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-16 19:11:43,503 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:11:43,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:11:43,503 INFO L85 PathProgramCache]: Analyzing trace with hash 467515157, now seen corresponding path program 1 times [2023-12-16 19:11:43,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:11:43,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857150160] [2023-12-16 19:11:43,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:11:43,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:11:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 19:11:44,030 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 19:11:44,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 19:11:44,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857150160] [2023-12-16 19:11:44,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857150160] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 19:11:44,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 19:11:44,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 19:11:44,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010239808] [2023-12-16 19:11:44,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 19:11:44,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 19:11:44,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 19:11:44,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 19:11:44,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 19:11:44,031 INFO L87 Difference]: Start difference. First operand 9495 states and 15811 transitions. Second operand has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 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 19:11:44,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 19:11:44,137 INFO L93 Difference]: Finished difference Result 18668 states and 31090 transitions. [2023-12-16 19:11:44,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 19:11:44,137 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 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 236 [2023-12-16 19:11:44,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 19:11:44,146 INFO L225 Difference]: With dead ends: 18668 [2023-12-16 19:11:44,146 INFO L226 Difference]: Without dead ends: 9495 [2023-12-16 19:11:44,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 19:11:44,154 INFO L413 NwaCegarLoop]: 15773 mSDtfsCounter, 15248 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15248 SdHoareTripleChecker+Valid, 16299 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 19:11:44,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15248 Valid, 16299 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 19:11:44,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9495 states. [2023-12-16 19:11:44,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9495 to 9495. [2023-12-16 19:11:44,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9495 states, 9494 states have (on average 1.6651569412260374) internal successors, (15809), 9494 states have internal predecessors, (15809), 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 19:11:44,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9495 states to 9495 states and 15809 transitions. [2023-12-16 19:11:44,253 INFO L78 Accepts]: Start accepts. Automaton has 9495 states and 15809 transitions. Word has length 236 [2023-12-16 19:11:44,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 19:11:44,254 INFO L495 AbstractCegarLoop]: Abstraction has 9495 states and 15809 transitions. [2023-12-16 19:11:44,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 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 19:11:44,254 INFO L276 IsEmpty]: Start isEmpty. Operand 9495 states and 15809 transitions. [2023-12-16 19:11:44,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2023-12-16 19:11:44,255 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 19:11:44,256 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:11:44,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-16 19:11:44,256 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 19:11:44,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 19:11:44,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1469810282, now seen corresponding path program 1 times [2023-12-16 19:11:44,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 19:11:44,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909293392] [2023-12-16 19:11:44,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 19:11:44,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 19:11:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2023-12-16 19:11:44,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-16 19:11:44,599 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Termination requested (timeout or resource limit) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkResolutionNode(Interpolator.java:275) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$ProofTreeWalker.walk(Interpolator.java:152) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:260) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:237) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:869) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:793) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:352) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:283) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:164) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:327) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:229) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:416) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-16 19:11:44,604 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 19:11:44,605 INFO L158 Benchmark]: Toolchain (without parser) took 47257.20ms. Allocated memory was 310.4MB in the beginning and 5.0GB in the end (delta: 4.7GB). Free memory was 255.4MB in the beginning and 1.7GB in the end (delta: -1.5GB). Peak memory consumption was 3.2GB. Max. memory is 8.0GB. [2023-12-16 19:11:44,605 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 202.4MB. Free memory is still 155.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 19:11:44,605 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1661.26ms. Allocated memory was 310.4MB in the beginning and 548.4MB in the end (delta: 238.0MB). Free memory was 254.9MB in the beginning and 341.1MB in the end (delta: -86.2MB). Peak memory consumption was 237.8MB. Max. memory is 8.0GB. [2023-12-16 19:11:44,606 INFO L158 Benchmark]: Boogie Procedure Inliner took 3172.55ms. Allocated memory was 548.4MB in the beginning and 3.0GB in the end (delta: 2.5GB). Free memory was 341.1MB in the beginning and 2.3GB in the end (delta: -2.0GB). Peak memory consumption was 501.2MB. Max. memory is 8.0GB. [2023-12-16 19:11:44,606 INFO L158 Benchmark]: Boogie Preprocessor took 3132.08ms. Allocated memory was 3.0GB in the beginning and 5.0GB in the end (delta: 2.0GB). Free memory was 2.3GB in the beginning and 4.1GB in the end (delta: -1.8GB). Peak memory consumption was 216.0MB. Max. memory is 8.0GB. [2023-12-16 19:11:44,606 INFO L158 Benchmark]: RCFGBuilder took 15727.67ms. Allocated memory is still 5.0GB. Free memory was 4.1GB in the beginning and 3.6GB in the end (delta: 560.4MB). Peak memory consumption was 881.3MB. Max. memory is 8.0GB. [2023-12-16 19:11:44,606 INFO L158 Benchmark]: TraceAbstraction took 23558.32ms. Allocated memory is still 5.0GB. Free memory was 3.6GB in the beginning and 1.7GB in the end (delta: 1.8GB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2023-12-16 19:11:44,608 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 202.4MB. Free memory is still 155.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1661.26ms. Allocated memory was 310.4MB in the beginning and 548.4MB in the end (delta: 238.0MB). Free memory was 254.9MB in the beginning and 341.1MB in the end (delta: -86.2MB). Peak memory consumption was 237.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 3172.55ms. Allocated memory was 548.4MB in the beginning and 3.0GB in the end (delta: 2.5GB). Free memory was 341.1MB in the beginning and 2.3GB in the end (delta: -2.0GB). Peak memory consumption was 501.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 3132.08ms. Allocated memory was 3.0GB in the beginning and 5.0GB in the end (delta: 2.0GB). Free memory was 2.3GB in the beginning and 4.1GB in the end (delta: -1.8GB). Peak memory consumption was 216.0MB. Max. memory is 8.0GB. * RCFGBuilder took 15727.67ms. Allocated memory is still 5.0GB. Free memory was 4.1GB in the beginning and 3.6GB in the end (delta: 560.4MB). Peak memory consumption was 881.3MB. Max. memory is 8.0GB. * TraceAbstraction took 23558.32ms. Allocated memory is still 5.0GB. Free memory was 3.6GB in the beginning and 1.7GB in the end (delta: 1.8GB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Termination requested (timeout or resource limit) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Termination requested (timeout or resource limit): de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkResolutionNode(Interpolator.java:275) RESULT: Ultimate could not prove your program: Toolchain returned no result. Completed graceful shutdown