/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.arbitrated_top_n4_w16_d64_e0.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 18:53:33,174 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 18:53:33,271 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2023-12-16 18:53:33,288 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 18:53:33,288 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 18:53:33,330 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 18:53:33,330 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 18:53:33,330 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 18:53:33,331 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 18:53:33,334 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 18:53:33,334 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 18:53:33,334 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 18:53:33,335 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 18:53:33,336 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 18:53:33,336 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 18:53:33,336 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 18:53:33,336 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 18:53:33,336 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 18:53:33,337 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 18:53:33,337 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 18:53:33,337 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 18:53:33,337 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 18:53:33,337 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 18:53:33,338 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 18:53:33,338 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 18:53:33,338 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 18:53:33,338 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 18:53:33,339 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 18:53:33,339 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 18:53:33,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 18:53:33,340 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 18:53:33,340 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 18:53:33,340 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 18:53:33,340 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 18:53:33,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 18:53:33,340 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 18:53:33,340 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 18:53:33,340 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 18:53:33,341 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 18:53:33,341 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 18:53:33,341 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-16 18:53:33,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 18:53:33,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 18:53:33,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 18:53:33,739 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 18:53:33,740 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 18:53:33,741 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d64_e0.c [2023-12-16 18:53:35,285 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 18:53:35,676 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 18:53:35,677 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w16_d64_e0.c [2023-12-16 18:53:35,729 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c96ad53db/631c2d702b314994b29456da1624351c/FLAG29a8eb15f [2023-12-16 18:53:35,743 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c96ad53db/631c2d702b314994b29456da1624351c [2023-12-16 18:53:35,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 18:53:35,748 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 18:53:35,750 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 18:53:35,750 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 18:53:35,754 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 18:53:35,755 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 06:53:35" (1/1) ... [2023-12-16 18:53:35,756 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31b392d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:53:35, skipping insertion in model container [2023-12-16 18:53:35,756 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 06:53:35" (1/1) ... [2023-12-16 18:53:35,864 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 18:53:36,258 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.arbitrated_top_n4_w16_d64_e0.c[1271,1284] [2023-12-16 18:53:36,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 18:53:36,988 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 18:53:36,999 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.arbitrated_top_n4_w16_d64_e0.c[1271,1284] [2023-12-16 18:53:37,542 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 18:53:37,556 INFO L206 MainTranslator]: Completed translation [2023-12-16 18:53:37,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:53:37 WrapperNode [2023-12-16 18:53:37,556 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 18:53:37,557 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 18:53:37,558 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 18:53:37,558 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 18:53:37,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:53:37" (1/1) ... [2023-12-16 18:53:37,785 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:53:37" (1/1) ... [2023-12-16 18:53:39,172 INFO L138 Inliner]: procedures = 17, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 21972 [2023-12-16 18:53:39,172 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 18:53:39,173 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 18:53:39,173 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 18:53:39,174 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 18:53:39,195 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:53:37" (1/1) ... [2023-12-16 18:53:39,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:53:37" (1/1) ... [2023-12-16 18:53:39,741 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:53:37" (1/1) ... [2023-12-16 18:53:40,185 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-16 18:53:40,186 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:53:37" (1/1) ... [2023-12-16 18:53:40,186 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:53:37" (1/1) ... [2023-12-16 18:53:40,772 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:53:37" (1/1) ... [2023-12-16 18:53:40,863 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:53:37" (1/1) ... [2023-12-16 18:53:41,030 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:53:37" (1/1) ... [2023-12-16 18:53:41,100 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:53:37" (1/1) ... [2023-12-16 18:53:41,409 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 18:53:41,410 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 18:53:41,410 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 18:53:41,410 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 18:53:41,411 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:53:37" (1/1) ... [2023-12-16 18:53:41,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 18:53:41,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 18:53:41,432 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-16 18:53:41,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-16 18:53:41,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 18:53:41,478 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 18:53:41,479 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 18:53:41,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 18:53:41,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 18:53:41,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 18:53:42,709 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 18:53:42,711 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 18:53:50,188 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 18:53:50,563 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 18:53:50,564 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 18:53:50,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 06:53:50 BoogieIcfgContainer [2023-12-16 18:53:50,565 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 18:53:50,567 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 18:53:50,567 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 18:53:50,570 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 18:53:50,570 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 06:53:35" (1/3) ... [2023-12-16 18:53:50,571 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4374d2d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 06:53:50, skipping insertion in model container [2023-12-16 18:53:50,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 06:53:37" (2/3) ... [2023-12-16 18:53:50,571 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4374d2d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 06:53:50, skipping insertion in model container [2023-12-16 18:53:50,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 06:53:50" (3/3) ... [2023-12-16 18:53:50,572 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n4_w16_d64_e0.c [2023-12-16 18:53:50,587 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 18:53:50,587 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 18:53:50,710 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 18:53:50,718 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;@3c5001d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 18:53:50,719 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 18:53:50,734 INFO L276 IsEmpty]: Start isEmpty. Operand has 3947 states, 3931 states have (on average 1.6642075807682524) internal successors, (6542), 3932 states have internal predecessors, (6542), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-16 18:53:50,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1279 [2023-12-16 18:53:50,786 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:53:50,788 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:53:50,788 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:53:50,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:53:50,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1428671475, now seen corresponding path program 1 times [2023-12-16 18:53:50,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:53:50,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756500848] [2023-12-16 18:53:50,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:53:50,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:53:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:53:57,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2023-12-16 18:53:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:53:57,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-16 18:53:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:53:57,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2023-12-16 18:53:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:53:57,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2023-12-16 18:53:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:53:57,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2023-12-16 18:53:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:53:57,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2023-12-16 18:53:57,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:53:57,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 662 [2023-12-16 18:53:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:53:57,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2023-12-16 18:53:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:53:57,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 688 [2023-12-16 18:53:57,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:53:57,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2023-12-16 18:53:57,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:53:57,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 712 [2023-12-16 18:53:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:53:57,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 724 [2023-12-16 18:53:57,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:53:57,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2023-12-16 18:53:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:53:57,736 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:53:57,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:53:57,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756500848] [2023-12-16 18:53:57,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756500848] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:53:57,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:53:57,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 18:53:57,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923657108] [2023-12-16 18:53:57,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:53:57,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 18:53:57,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:53:57,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 18:53:57,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 18:53:57,802 INFO L87 Difference]: Start difference. First operand has 3947 states, 3931 states have (on average 1.6642075807682524) internal successors, (6542), 3932 states have internal predecessors, (6542), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 4 states, 4 states have (on average 304.0) internal successors, (1216), 4 states have internal predecessors, (1216), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 18:53:58,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:53:58,030 INFO L93 Difference]: Finished difference Result 7062 states and 11765 transitions. [2023-12-16 18:53:58,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:53:58,033 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 304.0) internal successors, (1216), 4 states have internal predecessors, (1216), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 1278 [2023-12-16 18:53:58,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:53:58,057 INFO L225 Difference]: With dead ends: 7062 [2023-12-16 18:53:58,057 INFO L226 Difference]: Without dead ends: 3947 [2023-12-16 18:53:58,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 18:53:58,069 INFO L413 NwaCegarLoop]: 6560 mSDtfsCounter, 1 mSDsluCounter, 13115 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 19675 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 18:53:58,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 19675 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 18:53:58,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3947 states. [2023-12-16 18:53:58,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3947 to 3947. [2023-12-16 18:53:58,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3947 states, 3932 states have (on average 1.6630213631739572) internal successors, (6539), 3932 states have internal predecessors, (6539), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-16 18:53:58,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3947 states to 3947 states and 6565 transitions. [2023-12-16 18:53:58,188 INFO L78 Accepts]: Start accepts. Automaton has 3947 states and 6565 transitions. Word has length 1278 [2023-12-16 18:53:58,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:53:58,191 INFO L495 AbstractCegarLoop]: Abstraction has 3947 states and 6565 transitions. [2023-12-16 18:53:58,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 304.0) internal successors, (1216), 4 states have internal predecessors, (1216), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2023-12-16 18:53:58,192 INFO L276 IsEmpty]: Start isEmpty. Operand 3947 states and 6565 transitions. [2023-12-16 18:53:58,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1280 [2023-12-16 18:53:58,232 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:53:58,233 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:53:58,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 18:53:58,233 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:53:58,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:53:58,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1337410615, now seen corresponding path program 1 times [2023-12-16 18:53:58,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:53:58,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988294954] [2023-12-16 18:53:58,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:53:58,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:53:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:02,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2023-12-16 18:54:02,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:02,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-16 18:54:02,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:02,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2023-12-16 18:54:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:02,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2023-12-16 18:54:02,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:02,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2023-12-16 18:54:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:02,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2023-12-16 18:54:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:02,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 662 [2023-12-16 18:54:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:02,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2023-12-16 18:54:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:02,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 688 [2023-12-16 18:54:02,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:02,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2023-12-16 18:54:02,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:02,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 712 [2023-12-16 18:54:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:02,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 724 [2023-12-16 18:54:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:02,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2023-12-16 18:54:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:02,530 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:54:02,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:02,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988294954] [2023-12-16 18:54:02,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988294954] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:02,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:02,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:54:02,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382903583] [2023-12-16 18:54:02,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:02,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:54:02,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:02,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:54:02,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:54:02,540 INFO L87 Difference]: Start difference. First operand 3947 states and 6565 transitions. Second operand has 5 states, 5 states have (on average 243.4) internal successors, (1217), 5 states have internal predecessors, (1217), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 18:54:05,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:05,334 INFO L93 Difference]: Finished difference Result 9839 states and 16256 transitions. [2023-12-16 18:54:05,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 18:54:05,335 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 243.4) internal successors, (1217), 5 states have internal predecessors, (1217), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 1279 [2023-12-16 18:54:05,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:05,347 INFO L225 Difference]: With dead ends: 9839 [2023-12-16 18:54:05,347 INFO L226 Difference]: Without dead ends: 3947 [2023-12-16 18:54:05,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 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 18:54:05,357 INFO L413 NwaCegarLoop]: 10278 mSDtfsCounter, 9565 mSDsluCounter, 15514 mSDsCounter, 0 mSdLazyCounter, 2109 mSolverCounterSat, 338 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9573 SdHoareTripleChecker+Valid, 25792 SdHoareTripleChecker+Invalid, 2447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 338 IncrementalHoareTripleChecker+Valid, 2109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-16 18:54:05,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9573 Valid, 25792 Invalid, 2447 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [338 Valid, 2109 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-16 18:54:05,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3947 states. [2023-12-16 18:54:05,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3947 to 3947. [2023-12-16 18:54:05,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3947 states, 3932 states have (on average 1.6627670396744658) internal successors, (6538), 3932 states have internal predecessors, (6538), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-16 18:54:05,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3947 states to 3947 states and 6564 transitions. [2023-12-16 18:54:05,429 INFO L78 Accepts]: Start accepts. Automaton has 3947 states and 6564 transitions. Word has length 1279 [2023-12-16 18:54:05,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:05,430 INFO L495 AbstractCegarLoop]: Abstraction has 3947 states and 6564 transitions. [2023-12-16 18:54:05,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 243.4) internal successors, (1217), 5 states have internal predecessors, (1217), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 18:54:05,431 INFO L276 IsEmpty]: Start isEmpty. Operand 3947 states and 6564 transitions. [2023-12-16 18:54:05,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1281 [2023-12-16 18:54:05,445 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:05,445 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:54:05,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-16 18:54:05,446 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:05,447 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:05,448 INFO L85 PathProgramCache]: Analyzing trace with hash 65652741, now seen corresponding path program 1 times [2023-12-16 18:54:05,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:05,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178968380] [2023-12-16 18:54:05,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:05,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:06,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:08,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2023-12-16 18:54:08,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:08,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-16 18:54:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:08,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2023-12-16 18:54:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:08,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2023-12-16 18:54:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:08,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2023-12-16 18:54:08,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:08,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-12-16 18:54:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:08,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 663 [2023-12-16 18:54:08,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:08,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 679 [2023-12-16 18:54:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:08,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-12-16 18:54:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:08,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-12-16 18:54:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:08,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2023-12-16 18:54:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:08,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 725 [2023-12-16 18:54:08,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:08,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2023-12-16 18:54:08,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:08,237 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:54:08,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:08,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178968380] [2023-12-16 18:54:08,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178968380] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:08,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:08,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:54:08,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452477976] [2023-12-16 18:54:08,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:08,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:54:08,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:08,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:54:08,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:54:08,240 INFO L87 Difference]: Start difference. First operand 3947 states and 6564 transitions. Second operand has 5 states, 5 states have (on average 243.6) internal successors, (1218), 5 states have internal predecessors, (1218), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 18:54:10,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:10,221 INFO L93 Difference]: Finished difference Result 7062 states and 11742 transitions. [2023-12-16 18:54:10,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:54:10,222 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 243.6) internal successors, (1218), 5 states have internal predecessors, (1218), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 1280 [2023-12-16 18:54:10,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:10,236 INFO L225 Difference]: With dead ends: 7062 [2023-12-16 18:54:10,237 INFO L226 Difference]: Without dead ends: 3947 [2023-12-16 18:54:10,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 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 18:54:10,257 INFO L413 NwaCegarLoop]: 5205 mSDtfsCounter, 6448 mSDsluCounter, 5223 mSDsCounter, 0 mSdLazyCounter, 2722 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6453 SdHoareTripleChecker+Valid, 10428 SdHoareTripleChecker+Invalid, 2723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-16 18:54:10,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6453 Valid, 10428 Invalid, 2723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2722 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-16 18:54:10,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3947 states. [2023-12-16 18:54:10,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3947 to 3947. [2023-12-16 18:54:10,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3947 states, 3932 states have (on average 1.6625127161749746) internal successors, (6537), 3932 states have internal predecessors, (6537), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-16 18:54:10,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3947 states to 3947 states and 6563 transitions. [2023-12-16 18:54:10,421 INFO L78 Accepts]: Start accepts. Automaton has 3947 states and 6563 transitions. Word has length 1280 [2023-12-16 18:54:10,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:10,422 INFO L495 AbstractCegarLoop]: Abstraction has 3947 states and 6563 transitions. [2023-12-16 18:54:10,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 243.6) internal successors, (1218), 5 states have internal predecessors, (1218), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 18:54:10,423 INFO L276 IsEmpty]: Start isEmpty. Operand 3947 states and 6563 transitions. [2023-12-16 18:54:10,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1282 [2023-12-16 18:54:10,437 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:10,438 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:54:10,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-16 18:54:10,438 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:10,439 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:10,439 INFO L85 PathProgramCache]: Analyzing trace with hash 2114010347, now seen corresponding path program 1 times [2023-12-16 18:54:10,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:10,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599866132] [2023-12-16 18:54:10,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:10,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:12,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:14,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2023-12-16 18:54:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:14,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-16 18:54:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:14,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2023-12-16 18:54:14,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:14,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2023-12-16 18:54:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:14,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2023-12-16 18:54:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:14,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-12-16 18:54:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:14,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 663 [2023-12-16 18:54:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:14,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 679 [2023-12-16 18:54:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:14,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-12-16 18:54:14,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:14,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-12-16 18:54:14,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:14,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2023-12-16 18:54:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:14,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 725 [2023-12-16 18:54:14,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:14,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2023-12-16 18:54:14,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:14,415 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:54:14,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:14,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599866132] [2023-12-16 18:54:14,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599866132] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:14,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:14,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:54:14,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509123434] [2023-12-16 18:54:14,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:14,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:54:14,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:14,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:54:14,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:54:14,425 INFO L87 Difference]: Start difference. First operand 3947 states and 6563 transitions. Second operand has 5 states, 5 states have (on average 243.8) internal successors, (1219), 5 states have internal predecessors, (1219), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 18:54:16,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:16,426 INFO L93 Difference]: Finished difference Result 7062 states and 11740 transitions. [2023-12-16 18:54:16,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:54:16,426 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 243.8) internal successors, (1219), 5 states have internal predecessors, (1219), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 1281 [2023-12-16 18:54:16,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:16,437 INFO L225 Difference]: With dead ends: 7062 [2023-12-16 18:54:16,438 INFO L226 Difference]: Without dead ends: 3947 [2023-12-16 18:54:16,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 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 18:54:16,442 INFO L413 NwaCegarLoop]: 5205 mSDtfsCounter, 12029 mSDsluCounter, 5207 mSDsCounter, 0 mSdLazyCounter, 2720 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12034 SdHoareTripleChecker+Valid, 10412 SdHoareTripleChecker+Invalid, 2721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-12-16 18:54:16,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12034 Valid, 10412 Invalid, 2721 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2720 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-12-16 18:54:16,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3947 states. [2023-12-16 18:54:16,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3947 to 3947. [2023-12-16 18:54:16,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3947 states, 3932 states have (on average 1.6622583926754833) internal successors, (6536), 3932 states have internal predecessors, (6536), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-16 18:54:16,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3947 states to 3947 states and 6562 transitions. [2023-12-16 18:54:16,504 INFO L78 Accepts]: Start accepts. Automaton has 3947 states and 6562 transitions. Word has length 1281 [2023-12-16 18:54:16,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:16,505 INFO L495 AbstractCegarLoop]: Abstraction has 3947 states and 6562 transitions. [2023-12-16 18:54:16,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 243.8) internal successors, (1219), 5 states have internal predecessors, (1219), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 18:54:16,506 INFO L276 IsEmpty]: Start isEmpty. Operand 3947 states and 6562 transitions. [2023-12-16 18:54:16,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1283 [2023-12-16 18:54:16,518 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:16,519 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:54:16,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-16 18:54:16,519 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:16,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:16,520 INFO L85 PathProgramCache]: Analyzing trace with hash -853120033, now seen corresponding path program 1 times [2023-12-16 18:54:16,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:16,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083641828] [2023-12-16 18:54:16,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:16,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:19,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2023-12-16 18:54:19,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:19,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-16 18:54:19,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:19,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2023-12-16 18:54:19,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:19,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2023-12-16 18:54:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:19,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2023-12-16 18:54:19,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:19,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-12-16 18:54:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:19,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 663 [2023-12-16 18:54:19,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:19,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 679 [2023-12-16 18:54:19,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:19,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-12-16 18:54:19,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:19,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-12-16 18:54:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:19,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2023-12-16 18:54:19,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:19,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 725 [2023-12-16 18:54:19,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:19,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2023-12-16 18:54:19,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:19,254 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:54:19,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:19,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083641828] [2023-12-16 18:54:19,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083641828] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:19,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:19,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:54:19,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652026067] [2023-12-16 18:54:19,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:19,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:54:19,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:19,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:54:19,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:54:19,257 INFO L87 Difference]: Start difference. First operand 3947 states and 6562 transitions. Second operand has 5 states, 5 states have (on average 244.0) internal successors, (1220), 5 states have internal predecessors, (1220), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 18:54:21,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:21,110 INFO L93 Difference]: Finished difference Result 7062 states and 11738 transitions. [2023-12-16 18:54:21,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:54:21,111 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 244.0) internal successors, (1220), 5 states have internal predecessors, (1220), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 1282 [2023-12-16 18:54:21,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:21,124 INFO L225 Difference]: With dead ends: 7062 [2023-12-16 18:54:21,124 INFO L226 Difference]: Without dead ends: 3947 [2023-12-16 18:54:21,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 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 18:54:21,129 INFO L413 NwaCegarLoop]: 5205 mSDtfsCounter, 6192 mSDsluCounter, 5223 mSDsCounter, 0 mSdLazyCounter, 2718 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6197 SdHoareTripleChecker+Valid, 10428 SdHoareTripleChecker+Invalid, 2719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-16 18:54:21,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6197 Valid, 10428 Invalid, 2719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2718 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-16 18:54:21,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3947 states. [2023-12-16 18:54:21,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3947 to 3947. [2023-12-16 18:54:21,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3947 states, 3932 states have (on average 1.6620040691759919) internal successors, (6535), 3932 states have internal predecessors, (6535), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-16 18:54:21,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3947 states to 3947 states and 6561 transitions. [2023-12-16 18:54:21,193 INFO L78 Accepts]: Start accepts. Automaton has 3947 states and 6561 transitions. Word has length 1282 [2023-12-16 18:54:21,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:21,195 INFO L495 AbstractCegarLoop]: Abstraction has 3947 states and 6561 transitions. [2023-12-16 18:54:21,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 244.0) internal successors, (1220), 5 states have internal predecessors, (1220), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 18:54:21,195 INFO L276 IsEmpty]: Start isEmpty. Operand 3947 states and 6561 transitions. [2023-12-16 18:54:21,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1284 [2023-12-16 18:54:21,209 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:21,210 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:54:21,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-16 18:54:21,210 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:21,210 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:21,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1724685307, now seen corresponding path program 1 times [2023-12-16 18:54:21,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:21,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794334010] [2023-12-16 18:54:21,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:21,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 18:54:22,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:23,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2023-12-16 18:54:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:23,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2023-12-16 18:54:23,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:23,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2023-12-16 18:54:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:23,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2023-12-16 18:54:23,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:23,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2023-12-16 18:54:23,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:23,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2023-12-16 18:54:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:23,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 663 [2023-12-16 18:54:23,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:23,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 679 [2023-12-16 18:54:23,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:23,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2023-12-16 18:54:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:23,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2023-12-16 18:54:23,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:23,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2023-12-16 18:54:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:23,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 725 [2023-12-16 18:54:23,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:23,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2023-12-16 18:54:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 18:54:23,824 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-16 18:54:23,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 18:54:23,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794334010] [2023-12-16 18:54:23,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794334010] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 18:54:23,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 18:54:23,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 18:54:23,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345489508] [2023-12-16 18:54:23,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 18:54:23,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 18:54:23,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 18:54:23,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 18:54:23,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-16 18:54:23,827 INFO L87 Difference]: Start difference. First operand 3947 states and 6561 transitions. Second operand has 5 states, 5 states have (on average 244.2) internal successors, (1221), 5 states have internal predecessors, (1221), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 18:54:25,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 18:54:25,575 INFO L93 Difference]: Finished difference Result 7062 states and 11736 transitions. [2023-12-16 18:54:25,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 18:54:25,576 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 244.2) internal successors, (1221), 5 states have internal predecessors, (1221), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 1283 [2023-12-16 18:54:25,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 18:54:25,588 INFO L225 Difference]: With dead ends: 7062 [2023-12-16 18:54:25,589 INFO L226 Difference]: Without dead ends: 3947 [2023-12-16 18:54:25,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 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 18:54:25,607 INFO L413 NwaCegarLoop]: 5205 mSDtfsCounter, 6064 mSDsluCounter, 5223 mSDsCounter, 0 mSdLazyCounter, 2716 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6069 SdHoareTripleChecker+Valid, 10428 SdHoareTripleChecker+Invalid, 2717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-16 18:54:25,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6069 Valid, 10428 Invalid, 2717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2716 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-12-16 18:54:25,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3947 states. [2023-12-16 18:54:25,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3947 to 3947. [2023-12-16 18:54:25,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3947 states, 3932 states have (on average 1.6617497456765005) internal successors, (6534), 3932 states have internal predecessors, (6534), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-12-16 18:54:25,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3947 states to 3947 states and 6560 transitions. [2023-12-16 18:54:25,666 INFO L78 Accepts]: Start accepts. Automaton has 3947 states and 6560 transitions. Word has length 1283 [2023-12-16 18:54:25,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 18:54:25,667 INFO L495 AbstractCegarLoop]: Abstraction has 3947 states and 6560 transitions. [2023-12-16 18:54:25,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 244.2) internal successors, (1221), 5 states have internal predecessors, (1221), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-12-16 18:54:25,668 INFO L276 IsEmpty]: Start isEmpty. Operand 3947 states and 6560 transitions. [2023-12-16 18:54:25,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1285 [2023-12-16 18:54:25,680 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 18:54:25,680 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:54:25,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-16 18:54:25,681 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 18:54:25,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 18:54:25,681 INFO L85 PathProgramCache]: Analyzing trace with hash 513645241, now seen corresponding path program 1 times [2023-12-16 18:54:25,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 18:54:25,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632588790] [2023-12-16 18:54:25,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 18:54:25,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms Received shutdown request... [2023-12-16 18:54:25,948 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 18:54:25,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-16 18:54:25,997 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 18:54:25,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-16 18:54:25,997 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 1285 with TraceHistMax 13,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [1632588790] and IpTcStrategyModuleZ3 [719571595]. [2023-12-16 18:54:26,000 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-12-16 18:54:26,002 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 18:54:26,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 06:54:26 BoogieIcfgContainer [2023-12-16 18:54:26,008 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 18:54:26,008 INFO L158 Benchmark]: Toolchain (without parser) took 50260.26ms. Allocated memory was 341.8MB in the beginning and 3.8GB in the end (delta: 3.5GB). Free memory was 276.5MB in the beginning and 2.2GB in the end (delta: -2.0GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2023-12-16 18:54:26,008 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 190.8MB. Free memory is still 141.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 18:54:26,009 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1806.38ms. Allocated memory was 341.8MB in the beginning and 522.2MB in the end (delta: 180.4MB). Free memory was 276.2MB in the beginning and 367.2MB in the end (delta: -91.0MB). Peak memory consumption was 160.6MB. Max. memory is 8.0GB. [2023-12-16 18:54:26,009 INFO L158 Benchmark]: Boogie Procedure Inliner took 1614.73ms. Allocated memory was 522.2MB in the beginning and 1.0GB in the end (delta: 522.2MB). Free memory was 367.2MB in the beginning and 652.0MB in the end (delta: -284.8MB). Peak memory consumption was 287.3MB. Max. memory is 8.0GB. [2023-12-16 18:54:26,009 INFO L158 Benchmark]: Boogie Preprocessor took 2236.46ms. Allocated memory was 1.0GB in the beginning and 2.3GB in the end (delta: 1.2GB). Free memory was 652.0MB in the beginning and 1.8GB in the end (delta: -1.1GB). Peak memory consumption was 151.5MB. Max. memory is 8.0GB. [2023-12-16 18:54:26,010 INFO L158 Benchmark]: RCFGBuilder took 9155.14ms. Allocated memory was 2.3GB in the beginning and 3.8GB in the end (delta: 1.5GB). Free memory was 1.8GB in the beginning and 3.1GB in the end (delta: -1.3GB). Peak memory consumption was 423.6MB. Max. memory is 8.0GB. [2023-12-16 18:54:26,010 INFO L158 Benchmark]: TraceAbstraction took 35441.10ms. Allocated memory is still 3.8GB. Free memory was 3.1GB in the beginning and 2.2GB in the end (delta: 815.3MB). Peak memory consumption was 814.7MB. Max. memory is 8.0GB. [2023-12-16 18:54:26,011 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 190.8MB. Free memory is still 141.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1806.38ms. Allocated memory was 341.8MB in the beginning and 522.2MB in the end (delta: 180.4MB). Free memory was 276.2MB in the beginning and 367.2MB in the end (delta: -91.0MB). Peak memory consumption was 160.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 1614.73ms. Allocated memory was 522.2MB in the beginning and 1.0GB in the end (delta: 522.2MB). Free memory was 367.2MB in the beginning and 652.0MB in the end (delta: -284.8MB). Peak memory consumption was 287.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 2236.46ms. Allocated memory was 1.0GB in the beginning and 2.3GB in the end (delta: 1.2GB). Free memory was 652.0MB in the beginning and 1.8GB in the end (delta: -1.1GB). Peak memory consumption was 151.5MB. Max. memory is 8.0GB. * RCFGBuilder took 9155.14ms. Allocated memory was 2.3GB in the beginning and 3.8GB in the end (delta: 1.5GB). Free memory was 1.8GB in the beginning and 3.1GB in the end (delta: -1.3GB). Peak memory consumption was 423.6MB. Max. memory is 8.0GB. * TraceAbstraction took 35441.10ms. Allocated memory is still 3.8GB. Free memory was 3.1GB in the beginning and 2.2GB in the end (delta: 815.3MB). Peak memory consumption was 814.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 21]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 21). Cancelled while NwaCegarLoop was analyzing trace of length 1285 with TraceHistMax 13,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [1632588790] and IpTcStrategyModuleZ3 [719571595]. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 3947 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 35.4s, OverallIterations: 7, TraceHistogramMax: 13, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 10.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40327 SdHoareTripleChecker+Valid, 9.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40299 mSDsluCounter, 87163 SdHoareTripleChecker+Invalid, 7.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 49505 mSDsCounter, 343 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12997 IncrementalHoareTripleChecker+Invalid, 13340 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 343 mSolverCounterUnsat, 37658 mSDtfsCounter, 12997 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 187 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3947occurred in iteration=0, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 7.1s SatisfiabilityAnalysisTime, 15.1s InterpolantComputationTime, 7683 NumberOfCodeBlocks, 7683 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 7677 ConstructedInterpolants, 0 QuantifiedInterpolants, 30032 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 1872/1872 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown