/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-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/bitvector/s3_srvr_2a.BV.c.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-20 11:07:11,353 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-20 11:07:11,415 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-20 11:07:11,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-20 11:07:11,421 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-20 11:07:11,442 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-20 11:07:11,442 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-20 11:07:11,443 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-20 11:07:11,443 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-20 11:07:11,447 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-20 11:07:11,447 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-20 11:07:11,447 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-20 11:07:11,448 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-20 11:07:11,449 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-20 11:07:11,449 INFO L153 SettingsManager]: * Use SBE=true [2023-12-20 11:07:11,449 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-20 11:07:11,449 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-20 11:07:11,449 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-20 11:07:11,450 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-20 11:07:11,450 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-20 11:07:11,451 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-20 11:07:11,451 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-20 11:07:11,451 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-20 11:07:11,451 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-20 11:07:11,451 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-20 11:07:11,451 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-20 11:07:11,452 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-20 11:07:11,452 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-20 11:07:11,452 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-20 11:07:11,452 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-20 11:07:11,453 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-20 11:07:11,453 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-20 11:07:11,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 11:07:11,453 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-20 11:07:11,453 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-20 11:07:11,453 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-20 11:07:11,454 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-20 11:07:11,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-20 11:07:11,454 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-20 11:07:11,454 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-20 11:07:11,454 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-20 11:07:11,454 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-20 11:07:11,455 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-20 11:07:11,455 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-20 11:07:11,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-20 11:07:11,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-20 11:07:11,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-20 11:07:11,636 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-20 11:07:11,636 INFO L274 PluginConnector]: CDTParser initialized [2023-12-20 11:07:11,636 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector/s3_srvr_2a.BV.c.cil.c [2023-12-20 11:07:12,775 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-20 11:07:12,933 INFO L384 CDTParser]: Found 1 translation units. [2023-12-20 11:07:12,933 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector/s3_srvr_2a.BV.c.cil.c [2023-12-20 11:07:12,944 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b473ae41/ca9235ba151c4a82a4d7c42e80dd0471/FLAGb7ae3993c [2023-12-20 11:07:12,953 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b473ae41/ca9235ba151c4a82a4d7c42e80dd0471 [2023-12-20 11:07:12,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-20 11:07:12,955 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-20 11:07:12,956 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-20 11:07:12,956 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-20 11:07:12,959 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-20 11:07:12,959 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 11:07:12" (1/1) ... [2023-12-20 11:07:12,960 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48551407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:07:12, skipping insertion in model container [2023-12-20 11:07:12,960 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 11:07:12" (1/1) ... [2023-12-20 11:07:12,993 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-20 11:07:13,168 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/bitvector/s3_srvr_2a.BV.c.cil.c[44872,44885] [2023-12-20 11:07:13,188 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 11:07:13,200 INFO L202 MainTranslator]: Completed pre-run [2023-12-20 11:07:13,230 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/bitvector/s3_srvr_2a.BV.c.cil.c[44872,44885] [2023-12-20 11:07:13,232 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 11:07:13,241 INFO L206 MainTranslator]: Completed translation [2023-12-20 11:07:13,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:07:13 WrapperNode [2023-12-20 11:07:13,242 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-20 11:07:13,242 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-20 11:07:13,243 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-20 11:07:13,243 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-20 11:07:13,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:07:13" (1/1) ... [2023-12-20 11:07:13,253 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:07:13" (1/1) ... [2023-12-20 11:07:13,278 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 569 [2023-12-20 11:07:13,279 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-20 11:07:13,279 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-20 11:07:13,279 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-20 11:07:13,279 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-20 11:07:13,295 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:07:13" (1/1) ... [2023-12-20 11:07:13,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:07:13" (1/1) ... [2023-12-20 11:07:13,297 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:07:13" (1/1) ... [2023-12-20 11:07:13,307 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]. [2023-12-20 11:07:13,308 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:07:13" (1/1) ... [2023-12-20 11:07:13,308 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:07:13" (1/1) ... [2023-12-20 11:07:13,312 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:07:13" (1/1) ... [2023-12-20 11:07:13,323 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:07:13" (1/1) ... [2023-12-20 11:07:13,324 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:07:13" (1/1) ... [2023-12-20 11:07:13,325 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:07:13" (1/1) ... [2023-12-20 11:07:13,327 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-20 11:07:13,328 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-20 11:07:13,328 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-20 11:07:13,328 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-20 11:07:13,329 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:07:13" (1/1) ... [2023-12-20 11:07:13,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 11:07:13,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 11:07:13,369 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) [2023-12-20 11:07:13,378 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 [2023-12-20 11:07:13,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-20 11:07:13,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-20 11:07:13,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-20 11:07:13,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-20 11:07:13,479 INFO L241 CfgBuilder]: Building ICFG [2023-12-20 11:07:13,481 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-20 11:07:13,491 WARN L821 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-12-20 11:07:13,842 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2023-12-20 11:07:13,842 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2023-12-20 11:07:13,842 INFO L282 CfgBuilder]: Performing block encoding [2023-12-20 11:07:13,866 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-20 11:07:13,866 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-20 11:07:13,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 11:07:13 BoogieIcfgContainer [2023-12-20 11:07:13,867 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-20 11:07:13,868 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-20 11:07:13,868 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-20 11:07:13,873 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-20 11:07:13,873 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.12 11:07:12" (1/3) ... [2023-12-20 11:07:13,874 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b5a2fa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 11:07:13, skipping insertion in model container [2023-12-20 11:07:13,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 11:07:13" (2/3) ... [2023-12-20 11:07:13,874 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b5a2fa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 11:07:13, skipping insertion in model container [2023-12-20 11:07:13,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 11:07:13" (3/3) ... [2023-12-20 11:07:13,875 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_2a.BV.c.cil.c [2023-12-20 11:07:13,886 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-20 11:07:13,887 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-20 11:07:13,915 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-20 11:07:13,920 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;@6c435c4b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-20 11:07:13,920 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-20 11:07:13,923 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 127 states have (on average 1.795275590551181) internal successors, (228), 128 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:13,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-20 11:07:13,930 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 11:07:13,930 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 11:07:13,931 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 11:07:13,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 11:07:13,935 INFO L85 PathProgramCache]: Analyzing trace with hash -885659394, now seen corresponding path program 1 times [2023-12-20 11:07:13,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 11:07:13,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115221346] [2023-12-20 11:07:13,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 11:07:13,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 11:07:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 11:07:14,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 11:07:14,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 11:07:14,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115221346] [2023-12-20 11:07:14,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115221346] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 11:07:14,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 11:07:14,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 11:07:14,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195562990] [2023-12-20 11:07:14,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 11:07:14,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 11:07:14,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 11:07:14,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 11:07:14,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 11:07:14,242 INFO L87 Difference]: Start difference. First operand has 129 states, 127 states have (on average 1.795275590551181) internal successors, (228), 128 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:14,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 11:07:14,402 INFO L93 Difference]: Finished difference Result 262 states and 463 transitions. [2023-12-20 11:07:14,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 11:07:14,404 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2023-12-20 11:07:14,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 11:07:14,412 INFO L225 Difference]: With dead ends: 262 [2023-12-20 11:07:14,412 INFO L226 Difference]: Without dead ends: 124 [2023-12-20 11:07:14,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 11:07:14,417 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 16 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 11:07:14,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 302 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 11:07:14,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2023-12-20 11:07:14,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 121. [2023-12-20 11:07:14,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 120 states have (on average 1.5083333333333333) internal successors, (181), 120 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:14,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 181 transitions. [2023-12-20 11:07:14,452 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 181 transitions. Word has length 42 [2023-12-20 11:07:14,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 11:07:14,452 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 181 transitions. [2023-12-20 11:07:14,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:14,453 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 181 transitions. [2023-12-20 11:07:14,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-20 11:07:14,455 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 11:07:14,456 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 11:07:14,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-20 11:07:14,456 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 11:07:14,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 11:07:14,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1758820122, now seen corresponding path program 1 times [2023-12-20 11:07:14,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 11:07:14,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534339842] [2023-12-20 11:07:14,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 11:07:14,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 11:07:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 11:07:14,607 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 11:07:14,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 11:07:14,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534339842] [2023-12-20 11:07:14,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534339842] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 11:07:14,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 11:07:14,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 11:07:14,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612618864] [2023-12-20 11:07:14,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 11:07:14,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 11:07:14,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 11:07:14,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 11:07:14,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 11:07:14,614 INFO L87 Difference]: Start difference. First operand 121 states and 181 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:14,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 11:07:14,651 INFO L93 Difference]: Finished difference Result 323 states and 494 transitions. [2023-12-20 11:07:14,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 11:07:14,651 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2023-12-20 11:07:14,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 11:07:14,656 INFO L225 Difference]: With dead ends: 323 [2023-12-20 11:07:14,656 INFO L226 Difference]: Without dead ends: 219 [2023-12-20 11:07:14,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 11:07:14,657 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 110 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 11:07:14,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 333 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 11:07:14,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2023-12-20 11:07:14,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2023-12-20 11:07:14,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 218 states have (on average 1.5137614678899083) internal successors, (330), 218 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:14,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 330 transitions. [2023-12-20 11:07:14,679 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 330 transitions. Word has length 57 [2023-12-20 11:07:14,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 11:07:14,680 INFO L495 AbstractCegarLoop]: Abstraction has 219 states and 330 transitions. [2023-12-20 11:07:14,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:14,680 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 330 transitions. [2023-12-20 11:07:14,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-20 11:07:14,687 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 11:07:14,687 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 11:07:14,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-20 11:07:14,687 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 11:07:14,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 11:07:14,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1335173400, now seen corresponding path program 1 times [2023-12-20 11:07:14,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 11:07:14,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143607988] [2023-12-20 11:07:14,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 11:07:14,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 11:07:14,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 11:07:14,730 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 11:07:14,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 11:07:14,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143607988] [2023-12-20 11:07:14,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143607988] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 11:07:14,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 11:07:14,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-20 11:07:14,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946795996] [2023-12-20 11:07:14,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 11:07:14,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 11:07:14,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 11:07:14,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 11:07:14,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 11:07:14,731 INFO L87 Difference]: Start difference. First operand 219 states and 330 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:14,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 11:07:14,747 INFO L93 Difference]: Finished difference Result 423 states and 642 transitions. [2023-12-20 11:07:14,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 11:07:14,747 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2023-12-20 11:07:14,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 11:07:14,749 INFO L225 Difference]: With dead ends: 423 [2023-12-20 11:07:14,749 INFO L226 Difference]: Without dead ends: 221 [2023-12-20 11:07:14,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 11:07:14,753 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 6 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 11:07:14,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 315 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 11:07:14,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2023-12-20 11:07:14,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2023-12-20 11:07:14,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 220 states have (on average 1.509090909090909) internal successors, (332), 220 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:14,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 332 transitions. [2023-12-20 11:07:14,761 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 332 transitions. Word has length 57 [2023-12-20 11:07:14,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 11:07:14,761 INFO L495 AbstractCegarLoop]: Abstraction has 221 states and 332 transitions. [2023-12-20 11:07:14,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 2 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:14,761 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 332 transitions. [2023-12-20 11:07:14,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-20 11:07:14,762 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 11:07:14,762 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 11:07:14,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-20 11:07:14,762 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 11:07:14,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 11:07:14,762 INFO L85 PathProgramCache]: Analyzing trace with hash 808134731, now seen corresponding path program 1 times [2023-12-20 11:07:14,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 11:07:14,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791936662] [2023-12-20 11:07:14,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 11:07:14,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 11:07:14,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 11:07:14,813 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-20 11:07:14,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 11:07:14,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791936662] [2023-12-20 11:07:14,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791936662] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 11:07:14,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 11:07:14,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 11:07:14,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590825661] [2023-12-20 11:07:14,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 11:07:14,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 11:07:14,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 11:07:14,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 11:07:14,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 11:07:14,815 INFO L87 Difference]: Start difference. First operand 221 states and 332 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:14,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 11:07:14,929 INFO L93 Difference]: Finished difference Result 512 states and 793 transitions. [2023-12-20 11:07:14,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 11:07:14,929 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2023-12-20 11:07:14,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 11:07:14,932 INFO L225 Difference]: With dead ends: 512 [2023-12-20 11:07:14,932 INFO L226 Difference]: Without dead ends: 310 [2023-12-20 11:07:14,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 11:07:14,941 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 14 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 11:07:14,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 263 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 11:07:14,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2023-12-20 11:07:14,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 302. [2023-12-20 11:07:14,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 301 states have (on average 1.4053156146179402) internal successors, (423), 301 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:14,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 423 transitions. [2023-12-20 11:07:14,959 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 423 transitions. Word has length 77 [2023-12-20 11:07:14,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 11:07:14,960 INFO L495 AbstractCegarLoop]: Abstraction has 302 states and 423 transitions. [2023-12-20 11:07:14,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:14,960 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 423 transitions. [2023-12-20 11:07:14,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-20 11:07:14,961 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 11:07:14,961 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 11:07:14,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-20 11:07:14,961 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 11:07:14,961 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 11:07:14,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1231781453, now seen corresponding path program 1 times [2023-12-20 11:07:14,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 11:07:14,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476622212] [2023-12-20 11:07:14,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 11:07:14,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 11:07:14,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 11:07:15,000 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-20 11:07:15,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 11:07:15,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476622212] [2023-12-20 11:07:15,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476622212] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 11:07:15,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 11:07:15,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 11:07:15,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27167158] [2023-12-20 11:07:15,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 11:07:15,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 11:07:15,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 11:07:15,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 11:07:15,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 11:07:15,002 INFO L87 Difference]: Start difference. First operand 302 states and 423 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:15,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 11:07:15,082 INFO L93 Difference]: Finished difference Result 613 states and 867 transitions. [2023-12-20 11:07:15,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 11:07:15,082 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2023-12-20 11:07:15,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 11:07:15,084 INFO L225 Difference]: With dead ends: 613 [2023-12-20 11:07:15,084 INFO L226 Difference]: Without dead ends: 330 [2023-12-20 11:07:15,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 11:07:15,084 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 12 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 11:07:15,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 264 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 11:07:15,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2023-12-20 11:07:15,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 324. [2023-12-20 11:07:15,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 323 states have (on average 1.3931888544891642) internal successors, (450), 323 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:15,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 450 transitions. [2023-12-20 11:07:15,093 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 450 transitions. Word has length 77 [2023-12-20 11:07:15,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 11:07:15,094 INFO L495 AbstractCegarLoop]: Abstraction has 324 states and 450 transitions. [2023-12-20 11:07:15,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:15,094 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 450 transitions. [2023-12-20 11:07:15,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-20 11:07:15,095 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 11:07:15,095 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 11:07:15,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-20 11:07:15,096 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 11:07:15,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 11:07:15,098 INFO L85 PathProgramCache]: Analyzing trace with hash -382395928, now seen corresponding path program 1 times [2023-12-20 11:07:15,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 11:07:15,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143169865] [2023-12-20 11:07:15,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 11:07:15,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 11:07:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 11:07:15,189 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-12-20 11:07:15,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 11:07:15,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143169865] [2023-12-20 11:07:15,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143169865] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 11:07:15,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 11:07:15,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 11:07:15,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782539796] [2023-12-20 11:07:15,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 11:07:15,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 11:07:15,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 11:07:15,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 11:07:15,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 11:07:15,191 INFO L87 Difference]: Start difference. First operand 324 states and 450 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:15,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 11:07:15,271 INFO L93 Difference]: Finished difference Result 701 states and 997 transitions. [2023-12-20 11:07:15,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 11:07:15,271 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2023-12-20 11:07:15,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 11:07:15,278 INFO L225 Difference]: With dead ends: 701 [2023-12-20 11:07:15,278 INFO L226 Difference]: Without dead ends: 396 [2023-12-20 11:07:15,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 11:07:15,280 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 28 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 11:07:15,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 263 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 11:07:15,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2023-12-20 11:07:15,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 372. [2023-12-20 11:07:15,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 371 states have (on average 1.3692722371967656) internal successors, (508), 371 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:15,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 508 transitions. [2023-12-20 11:07:15,287 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 508 transitions. Word has length 96 [2023-12-20 11:07:15,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 11:07:15,288 INFO L495 AbstractCegarLoop]: Abstraction has 372 states and 508 transitions. [2023-12-20 11:07:15,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:15,288 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 508 transitions. [2023-12-20 11:07:15,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-20 11:07:15,289 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 11:07:15,290 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 11:07:15,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-20 11:07:15,290 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 11:07:15,290 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 11:07:15,291 INFO L85 PathProgramCache]: Analyzing trace with hash -376941569, now seen corresponding path program 1 times [2023-12-20 11:07:15,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 11:07:15,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460448175] [2023-12-20 11:07:15,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 11:07:15,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 11:07:15,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 11:07:15,393 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-12-20 11:07:15,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 11:07:15,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460448175] [2023-12-20 11:07:15,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460448175] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 11:07:15,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 11:07:15,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 11:07:15,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740676509] [2023-12-20 11:07:15,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 11:07:15,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 11:07:15,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 11:07:15,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 11:07:15,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 11:07:15,396 INFO L87 Difference]: Start difference. First operand 372 states and 508 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:15,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 11:07:15,418 INFO L93 Difference]: Finished difference Result 888 states and 1222 transitions. [2023-12-20 11:07:15,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 11:07:15,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2023-12-20 11:07:15,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 11:07:15,420 INFO L225 Difference]: With dead ends: 888 [2023-12-20 11:07:15,420 INFO L226 Difference]: Without dead ends: 535 [2023-12-20 11:07:15,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 11:07:15,421 INFO L413 NwaCegarLoop]: 309 mSDtfsCounter, 110 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 11:07:15,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 467 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 11:07:15,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2023-12-20 11:07:15,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 535. [2023-12-20 11:07:15,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 534 states have (on average 1.3707865168539326) internal successors, (732), 534 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:15,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 732 transitions. [2023-12-20 11:07:15,430 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 732 transitions. Word has length 116 [2023-12-20 11:07:15,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 11:07:15,430 INFO L495 AbstractCegarLoop]: Abstraction has 535 states and 732 transitions. [2023-12-20 11:07:15,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:15,431 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 732 transitions. [2023-12-20 11:07:15,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-20 11:07:15,432 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 11:07:15,432 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 11:07:15,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-20 11:07:15,432 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 11:07:15,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 11:07:15,433 INFO L85 PathProgramCache]: Analyzing trace with hash -128795075, now seen corresponding path program 1 times [2023-12-20 11:07:15,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 11:07:15,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125006438] [2023-12-20 11:07:15,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 11:07:15,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 11:07:15,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 11:07:15,469 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-20 11:07:15,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 11:07:15,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125006438] [2023-12-20 11:07:15,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125006438] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 11:07:15,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 11:07:15,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 11:07:15,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766857357] [2023-12-20 11:07:15,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 11:07:15,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 11:07:15,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 11:07:15,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 11:07:15,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 11:07:15,470 INFO L87 Difference]: Start difference. First operand 535 states and 732 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:15,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 11:07:15,494 INFO L93 Difference]: Finished difference Result 1238 states and 1700 transitions. [2023-12-20 11:07:15,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 11:07:15,494 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2023-12-20 11:07:15,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 11:07:15,496 INFO L225 Difference]: With dead ends: 1238 [2023-12-20 11:07:15,496 INFO L226 Difference]: Without dead ends: 722 [2023-12-20 11:07:15,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 11:07:15,498 INFO L413 NwaCegarLoop]: 307 mSDtfsCounter, 112 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 11:07:15,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 465 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 11:07:15,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2023-12-20 11:07:15,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 722. [2023-12-20 11:07:15,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 722 states, 721 states have (on average 1.3675450762829404) internal successors, (986), 721 states have internal predecessors, (986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:15,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 986 transitions. [2023-12-20 11:07:15,509 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 986 transitions. Word has length 116 [2023-12-20 11:07:15,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 11:07:15,509 INFO L495 AbstractCegarLoop]: Abstraction has 722 states and 986 transitions. [2023-12-20 11:07:15,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:15,510 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 986 transitions. [2023-12-20 11:07:15,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-12-20 11:07:15,511 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 11:07:15,511 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 11:07:15,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-20 11:07:15,511 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 11:07:15,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 11:07:15,512 INFO L85 PathProgramCache]: Analyzing trace with hash 864017877, now seen corresponding path program 1 times [2023-12-20 11:07:15,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 11:07:15,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632878691] [2023-12-20 11:07:15,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 11:07:15,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 11:07:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 11:07:15,561 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-12-20 11:07:15,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 11:07:15,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632878691] [2023-12-20 11:07:15,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632878691] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 11:07:15,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 11:07:15,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 11:07:15,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089370817] [2023-12-20 11:07:15,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 11:07:15,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 11:07:15,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 11:07:15,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 11:07:15,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 11:07:15,563 INFO L87 Difference]: Start difference. First operand 722 states and 986 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:15,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 11:07:15,686 INFO L93 Difference]: Finished difference Result 1551 states and 2174 transitions. [2023-12-20 11:07:15,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 11:07:15,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 176 [2023-12-20 11:07:15,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 11:07:15,690 INFO L225 Difference]: With dead ends: 1551 [2023-12-20 11:07:15,691 INFO L226 Difference]: Without dead ends: 848 [2023-12-20 11:07:15,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 11:07:15,692 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 35 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 11:07:15,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 258 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 11:07:15,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2023-12-20 11:07:15,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 842. [2023-12-20 11:07:15,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 842 states, 841 states have (on average 1.3329369797859691) internal successors, (1121), 841 states have internal predecessors, (1121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:15,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1121 transitions. [2023-12-20 11:07:15,705 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1121 transitions. Word has length 176 [2023-12-20 11:07:15,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 11:07:15,705 INFO L495 AbstractCegarLoop]: Abstraction has 842 states and 1121 transitions. [2023-12-20 11:07:15,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:15,705 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1121 transitions. [2023-12-20 11:07:15,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-12-20 11:07:15,707 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 11:07:15,707 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 11:07:15,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-20 11:07:15,707 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 11:07:15,708 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 11:07:15,708 INFO L85 PathProgramCache]: Analyzing trace with hash -405478866, now seen corresponding path program 1 times [2023-12-20 11:07:15,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 11:07:15,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87631941] [2023-12-20 11:07:15,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 11:07:15,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 11:07:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 11:07:15,772 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2023-12-20 11:07:15,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 11:07:15,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87631941] [2023-12-20 11:07:15,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87631941] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 11:07:15,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 11:07:15,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 11:07:15,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124794704] [2023-12-20 11:07:15,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 11:07:15,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 11:07:15,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 11:07:15,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 11:07:15,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 11:07:15,774 INFO L87 Difference]: Start difference. First operand 842 states and 1121 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:15,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 11:07:15,884 INFO L93 Difference]: Finished difference Result 1833 states and 2519 transitions. [2023-12-20 11:07:15,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 11:07:15,885 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 217 [2023-12-20 11:07:15,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 11:07:15,887 INFO L225 Difference]: With dead ends: 1833 [2023-12-20 11:07:15,887 INFO L226 Difference]: Without dead ends: 962 [2023-12-20 11:07:15,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 11:07:15,889 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 36 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 11:07:15,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 258 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 11:07:15,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2023-12-20 11:07:15,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 962. [2023-12-20 11:07:15,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 962 states, 961 states have (on average 1.3121748178980228) internal successors, (1261), 961 states have internal predecessors, (1261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:15,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1261 transitions. [2023-12-20 11:07:15,902 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1261 transitions. Word has length 217 [2023-12-20 11:07:15,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 11:07:15,903 INFO L495 AbstractCegarLoop]: Abstraction has 962 states and 1261 transitions. [2023-12-20 11:07:15,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:15,903 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1261 transitions. [2023-12-20 11:07:15,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2023-12-20 11:07:15,905 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 11:07:15,905 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 11:07:15,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-20 11:07:15,905 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 11:07:15,906 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 11:07:15,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1242759366, now seen corresponding path program 1 times [2023-12-20 11:07:15,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 11:07:15,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680197177] [2023-12-20 11:07:15,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 11:07:15,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 11:07:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 11:07:15,996 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 410 proven. 15 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2023-12-20 11:07:15,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 11:07:15,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680197177] [2023-12-20 11:07:15,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680197177] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 11:07:15,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31902666] [2023-12-20 11:07:15,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 11:07:15,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 11:07:15,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 11:07:15,999 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 11:07:16,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-20 11:07:16,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 11:07:16,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-20 11:07:16,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 11:07:16,235 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 410 proven. 15 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2023-12-20 11:07:16,235 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 11:07:16,295 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 410 proven. 15 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2023-12-20 11:07:16,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31902666] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-20 11:07:16,296 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-20 11:07:16,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2023-12-20 11:07:16,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599041208] [2023-12-20 11:07:16,296 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-20 11:07:16,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-20 11:07:16,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 11:07:16,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-20 11:07:16,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-20 11:07:16,297 INFO L87 Difference]: Start difference. First operand 962 states and 1261 transitions. Second operand has 6 states, 6 states have (on average 33.166666666666664) internal successors, (199), 6 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:16,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 11:07:16,863 INFO L93 Difference]: Finished difference Result 4182 states and 5807 transitions. [2023-12-20 11:07:16,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-20 11:07:16,864 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 33.166666666666664) internal successors, (199), 6 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 244 [2023-12-20 11:07:16,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 11:07:16,885 INFO L225 Difference]: With dead ends: 4182 [2023-12-20 11:07:16,885 INFO L226 Difference]: Without dead ends: 3239 [2023-12-20 11:07:16,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 489 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-12-20 11:07:16,889 INFO L413 NwaCegarLoop]: 392 mSDtfsCounter, 337 mSDsluCounter, 770 mSDsCounter, 0 mSdLazyCounter, 865 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 1162 SdHoareTripleChecker+Invalid, 924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-20 11:07:16,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 1162 Invalid, 924 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 865 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-20 11:07:16,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3239 states. [2023-12-20 11:07:16,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3239 to 2375. [2023-12-20 11:07:16,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2375 states, 2374 states have (on average 1.3163437236731255) internal successors, (3125), 2374 states have internal predecessors, (3125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:16,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2375 states to 2375 states and 3125 transitions. [2023-12-20 11:07:16,933 INFO L78 Accepts]: Start accepts. Automaton has 2375 states and 3125 transitions. Word has length 244 [2023-12-20 11:07:16,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 11:07:16,933 INFO L495 AbstractCegarLoop]: Abstraction has 2375 states and 3125 transitions. [2023-12-20 11:07:16,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 33.166666666666664) internal successors, (199), 6 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:16,934 INFO L276 IsEmpty]: Start isEmpty. Operand 2375 states and 3125 transitions. [2023-12-20 11:07:16,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2023-12-20 11:07:16,938 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 11:07:16,938 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 11:07:16,944 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-20 11:07:17,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-12-20 11:07:17,144 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 11:07:17,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 11:07:17,144 INFO L85 PathProgramCache]: Analyzing trace with hash 657987716, now seen corresponding path program 1 times [2023-12-20 11:07:17,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 11:07:17,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246366241] [2023-12-20 11:07:17,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 11:07:17,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 11:07:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 11:07:17,199 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2023-12-20 11:07:17,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 11:07:17,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246366241] [2023-12-20 11:07:17,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246366241] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 11:07:17,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 11:07:17,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 11:07:17,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739388309] [2023-12-20 11:07:17,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 11:07:17,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 11:07:17,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 11:07:17,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 11:07:17,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 11:07:17,201 INFO L87 Difference]: Start difference. First operand 2375 states and 3125 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:17,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 11:07:17,241 INFO L93 Difference]: Finished difference Result 6595 states and 8751 transitions. [2023-12-20 11:07:17,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 11:07:17,242 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 244 [2023-12-20 11:07:17,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 11:07:17,249 INFO L225 Difference]: With dead ends: 6595 [2023-12-20 11:07:17,249 INFO L226 Difference]: Without dead ends: 3044 [2023-12-20 11:07:17,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 11:07:17,253 INFO L413 NwaCegarLoop]: 315 mSDtfsCounter, 108 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 11:07:17,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 477 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 11:07:17,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3044 states. [2023-12-20 11:07:17,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3044 to 2944. [2023-12-20 11:07:17,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2944 states, 2943 states have (on average 1.3377505946313286) internal successors, (3937), 2943 states have internal predecessors, (3937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:17,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2944 states to 2944 states and 3937 transitions. [2023-12-20 11:07:17,296 INFO L78 Accepts]: Start accepts. Automaton has 2944 states and 3937 transitions. Word has length 244 [2023-12-20 11:07:17,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 11:07:17,296 INFO L495 AbstractCegarLoop]: Abstraction has 2944 states and 3937 transitions. [2023-12-20 11:07:17,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:17,297 INFO L276 IsEmpty]: Start isEmpty. Operand 2944 states and 3937 transitions. [2023-12-20 11:07:17,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2023-12-20 11:07:17,300 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 11:07:17,300 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 11:07:17,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-20 11:07:17,301 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 11:07:17,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 11:07:17,301 INFO L85 PathProgramCache]: Analyzing trace with hash 557502408, now seen corresponding path program 1 times [2023-12-20 11:07:17,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 11:07:17,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163520212] [2023-12-20 11:07:17,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 11:07:17,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 11:07:17,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 11:07:17,384 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 464 proven. 0 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2023-12-20 11:07:17,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 11:07:17,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163520212] [2023-12-20 11:07:17,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163520212] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 11:07:17,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 11:07:17,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 11:07:17,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515755515] [2023-12-20 11:07:17,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 11:07:17,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 11:07:17,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 11:07:17,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 11:07:17,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 11:07:17,386 INFO L87 Difference]: Start difference. First operand 2944 states and 3937 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:17,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 11:07:17,483 INFO L93 Difference]: Finished difference Result 6253 states and 8427 transitions. [2023-12-20 11:07:17,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 11:07:17,484 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 288 [2023-12-20 11:07:17,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 11:07:17,491 INFO L225 Difference]: With dead ends: 6253 [2023-12-20 11:07:17,491 INFO L226 Difference]: Without dead ends: 3328 [2023-12-20 11:07:17,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 11:07:17,495 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 17 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 11:07:17,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 263 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 11:07:17,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3328 states. [2023-12-20 11:07:17,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3328 to 3256. [2023-12-20 11:07:17,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3256 states, 3255 states have (on average 1.3238095238095238) internal successors, (4309), 3255 states have internal predecessors, (4309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:17,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3256 states to 3256 states and 4309 transitions. [2023-12-20 11:07:17,548 INFO L78 Accepts]: Start accepts. Automaton has 3256 states and 4309 transitions. Word has length 288 [2023-12-20 11:07:17,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 11:07:17,549 INFO L495 AbstractCegarLoop]: Abstraction has 3256 states and 4309 transitions. [2023-12-20 11:07:17,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:17,549 INFO L276 IsEmpty]: Start isEmpty. Operand 3256 states and 4309 transitions. [2023-12-20 11:07:17,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2023-12-20 11:07:17,553 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 11:07:17,554 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 11:07:17,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-20 11:07:17,554 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 11:07:17,554 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 11:07:17,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1731457442, now seen corresponding path program 1 times [2023-12-20 11:07:17,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 11:07:17,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207118961] [2023-12-20 11:07:17,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 11:07:17,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 11:07:17,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 11:07:17,623 INFO L134 CoverageAnalysis]: Checked inductivity of 1011 backedges. 592 proven. 0 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2023-12-20 11:07:17,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 11:07:17,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207118961] [2023-12-20 11:07:17,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207118961] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 11:07:17,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 11:07:17,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 11:07:17,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963205440] [2023-12-20 11:07:17,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 11:07:17,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 11:07:17,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 11:07:17,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 11:07:17,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 11:07:17,625 INFO L87 Difference]: Start difference. First operand 3256 states and 4309 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:17,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 11:07:17,729 INFO L93 Difference]: Finished difference Result 6841 states and 9099 transitions. [2023-12-20 11:07:17,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 11:07:17,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 310 [2023-12-20 11:07:17,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 11:07:17,737 INFO L225 Difference]: With dead ends: 6841 [2023-12-20 11:07:17,737 INFO L226 Difference]: Without dead ends: 3604 [2023-12-20 11:07:17,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 11:07:17,740 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 10 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 11:07:17,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 263 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 11:07:17,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3604 states. [2023-12-20 11:07:17,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3604 to 2943. [2023-12-20 11:07:17,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2943 states, 2942 states have (on average 1.3150917743031951) internal successors, (3869), 2942 states have internal predecessors, (3869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:17,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2943 states to 2943 states and 3869 transitions. [2023-12-20 11:07:17,784 INFO L78 Accepts]: Start accepts. Automaton has 2943 states and 3869 transitions. Word has length 310 [2023-12-20 11:07:17,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 11:07:17,784 INFO L495 AbstractCegarLoop]: Abstraction has 2943 states and 3869 transitions. [2023-12-20 11:07:17,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:17,785 INFO L276 IsEmpty]: Start isEmpty. Operand 2943 states and 3869 transitions. [2023-12-20 11:07:17,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2023-12-20 11:07:17,788 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 11:07:17,789 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 11:07:17,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-20 11:07:17,789 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 11:07:17,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 11:07:17,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1462364412, now seen corresponding path program 1 times [2023-12-20 11:07:17,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 11:07:17,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295626778] [2023-12-20 11:07:17,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 11:07:17,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 11:07:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 11:07:17,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1235 backedges. 651 proven. 0 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2023-12-20 11:07:17,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 11:07:17,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295626778] [2023-12-20 11:07:17,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295626778] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 11:07:17,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 11:07:17,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 11:07:17,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791038295] [2023-12-20 11:07:17,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 11:07:17,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 11:07:17,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 11:07:17,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 11:07:17,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 11:07:17,872 INFO L87 Difference]: Start difference. First operand 2943 states and 3869 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:17,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 11:07:17,939 INFO L93 Difference]: Finished difference Result 8779 states and 11543 transitions. [2023-12-20 11:07:17,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 11:07:17,939 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 341 [2023-12-20 11:07:17,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 11:07:17,952 INFO L225 Difference]: With dead ends: 8779 [2023-12-20 11:07:17,952 INFO L226 Difference]: Without dead ends: 5855 [2023-12-20 11:07:17,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 11:07:17,956 INFO L413 NwaCegarLoop]: 308 mSDtfsCounter, 124 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 11:07:17,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 469 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 11:07:17,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5855 states. [2023-12-20 11:07:18,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5855 to 5676. [2023-12-20 11:07:18,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5676 states, 5675 states have (on average 1.317885462555066) internal successors, (7479), 5675 states have internal predecessors, (7479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:18,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5676 states to 5676 states and 7479 transitions. [2023-12-20 11:07:18,070 INFO L78 Accepts]: Start accepts. Automaton has 5676 states and 7479 transitions. Word has length 341 [2023-12-20 11:07:18,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 11:07:18,070 INFO L495 AbstractCegarLoop]: Abstraction has 5676 states and 7479 transitions. [2023-12-20 11:07:18,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:18,070 INFO L276 IsEmpty]: Start isEmpty. Operand 5676 states and 7479 transitions. [2023-12-20 11:07:18,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2023-12-20 11:07:18,077 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 11:07:18,077 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 11:07:18,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-20 11:07:18,077 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 11:07:18,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 11:07:18,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1398457759, now seen corresponding path program 1 times [2023-12-20 11:07:18,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 11:07:18,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794262790] [2023-12-20 11:07:18,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 11:07:18,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 11:07:18,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 11:07:18,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1235 backedges. 826 proven. 25 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2023-12-20 11:07:18,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 11:07:18,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794262790] [2023-12-20 11:07:18,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794262790] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 11:07:18,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949779130] [2023-12-20 11:07:18,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 11:07:18,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 11:07:18,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 11:07:18,171 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 11:07:18,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-20 11:07:18,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 11:07:18,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-20 11:07:18,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 11:07:18,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1235 backedges. 644 proven. 0 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2023-12-20 11:07:18,453 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-20 11:07:18,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [949779130] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 11:07:18,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-20 11:07:18,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-12-20 11:07:18,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389416415] [2023-12-20 11:07:18,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 11:07:18,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 11:07:18,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 11:07:18,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 11:07:18,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-20 11:07:18,454 INFO L87 Difference]: Start difference. First operand 5676 states and 7479 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:18,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 11:07:18,500 INFO L93 Difference]: Finished difference Result 6512 states and 8591 transitions. [2023-12-20 11:07:18,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 11:07:18,500 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 342 [2023-12-20 11:07:18,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 11:07:18,511 INFO L225 Difference]: With dead ends: 6512 [2023-12-20 11:07:18,511 INFO L226 Difference]: Without dead ends: 4705 [2023-12-20 11:07:18,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-20 11:07:18,514 INFO L413 NwaCegarLoop]: 308 mSDtfsCounter, 82 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-20 11:07:18,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 461 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-20 11:07:18,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4705 states. [2023-12-20 11:07:18,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4705 to 3691. [2023-12-20 11:07:18,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3691 states, 3690 states have (on average 1.3181571815718158) internal successors, (4864), 3690 states have internal predecessors, (4864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:18,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3691 states to 3691 states and 4864 transitions. [2023-12-20 11:07:18,580 INFO L78 Accepts]: Start accepts. Automaton has 3691 states and 4864 transitions. Word has length 342 [2023-12-20 11:07:18,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 11:07:18,580 INFO L495 AbstractCegarLoop]: Abstraction has 3691 states and 4864 transitions. [2023-12-20 11:07:18,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:18,580 INFO L276 IsEmpty]: Start isEmpty. Operand 3691 states and 4864 transitions. [2023-12-20 11:07:18,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2023-12-20 11:07:18,587 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 11:07:18,587 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 11:07:18,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-20 11:07:18,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-12-20 11:07:18,796 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 11:07:18,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 11:07:18,796 INFO L85 PathProgramCache]: Analyzing trace with hash 924929642, now seen corresponding path program 1 times [2023-12-20 11:07:18,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 11:07:18,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661328661] [2023-12-20 11:07:18,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 11:07:18,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 11:07:18,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 11:07:18,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1899 backedges. 1185 proven. 25 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2023-12-20 11:07:18,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 11:07:18,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661328661] [2023-12-20 11:07:18,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661328661] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 11:07:18,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1307133115] [2023-12-20 11:07:18,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 11:07:18,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 11:07:18,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 11:07:18,954 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 11:07:18,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-20 11:07:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 11:07:19,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-20 11:07:19,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 11:07:19,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1899 backedges. 1185 proven. 25 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2023-12-20 11:07:19,114 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 11:07:19,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1899 backedges. 1185 proven. 25 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2023-12-20 11:07:19,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1307133115] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-20 11:07:19,170 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-20 11:07:19,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2023-12-20 11:07:19,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638119387] [2023-12-20 11:07:19,171 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-20 11:07:19,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-20 11:07:19,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 11:07:19,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-20 11:07:19,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-20 11:07:19,172 INFO L87 Difference]: Start difference. First operand 3691 states and 4864 transitions. Second operand has 6 states, 6 states have (on average 41.666666666666664) internal successors, (250), 6 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:19,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 11:07:19,454 INFO L93 Difference]: Finished difference Result 9136 states and 12427 transitions. [2023-12-20 11:07:19,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-20 11:07:19,454 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 41.666666666666664) internal successors, (250), 6 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 401 [2023-12-20 11:07:19,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 11:07:19,462 INFO L225 Difference]: With dead ends: 9136 [2023-12-20 11:07:19,463 INFO L226 Difference]: Without dead ends: 5305 [2023-12-20 11:07:19,467 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 808 GetRequests, 802 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-12-20 11:07:19,467 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 443 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-20 11:07:19,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [443 Valid, 513 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 453 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-20 11:07:19,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5305 states. [2023-12-20 11:07:19,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5305 to 4664. [2023-12-20 11:07:19,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4664 states, 4663 states have (on average 1.3858031310315249) internal successors, (6462), 4663 states have internal predecessors, (6462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:19,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4664 states to 4664 states and 6462 transitions. [2023-12-20 11:07:19,548 INFO L78 Accepts]: Start accepts. Automaton has 4664 states and 6462 transitions. Word has length 401 [2023-12-20 11:07:19,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 11:07:19,549 INFO L495 AbstractCegarLoop]: Abstraction has 4664 states and 6462 transitions. [2023-12-20 11:07:19,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 41.666666666666664) internal successors, (250), 6 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:19,549 INFO L276 IsEmpty]: Start isEmpty. Operand 4664 states and 6462 transitions. [2023-12-20 11:07:19,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2023-12-20 11:07:19,558 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 11:07:19,558 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 16, 16, 16, 14, 14, 12, 12, 10, 10, 8, 8, 8, 8, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 11:07:19,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-20 11:07:19,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 11:07:19,764 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 11:07:19,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 11:07:19,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1391389276, now seen corresponding path program 1 times [2023-12-20 11:07:19,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 11:07:19,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15982538] [2023-12-20 11:07:19,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 11:07:19,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 11:07:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 11:07:19,891 INFO L134 CoverageAnalysis]: Checked inductivity of 2967 backedges. 1576 proven. 0 refuted. 0 times theorem prover too weak. 1391 trivial. 0 not checked. [2023-12-20 11:07:19,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 11:07:19,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15982538] [2023-12-20 11:07:19,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15982538] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 11:07:19,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 11:07:19,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-20 11:07:19,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146713529] [2023-12-20 11:07:19,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 11:07:19,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-20 11:07:19,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 11:07:19,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-20 11:07:19,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 11:07:19,893 INFO L87 Difference]: Start difference. First operand 4664 states and 6462 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:19,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 11:07:19,997 INFO L93 Difference]: Finished difference Result 9412 states and 12997 transitions. [2023-12-20 11:07:19,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-20 11:07:19,998 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 489 [2023-12-20 11:07:19,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 11:07:20,004 INFO L225 Difference]: With dead ends: 9412 [2023-12-20 11:07:20,004 INFO L226 Difference]: Without dead ends: 4767 [2023-12-20 11:07:20,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-20 11:07:20,009 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 14 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 11:07:20,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 263 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 11:07:20,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4767 states. [2023-12-20 11:07:20,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4767 to 4716. [2023-12-20 11:07:20,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4716 states, 4715 states have (on average 1.3575821845174973) internal successors, (6401), 4715 states have internal predecessors, (6401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:20,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4716 states to 4716 states and 6401 transitions. [2023-12-20 11:07:20,077 INFO L78 Accepts]: Start accepts. Automaton has 4716 states and 6401 transitions. Word has length 489 [2023-12-20 11:07:20,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 11:07:20,078 INFO L495 AbstractCegarLoop]: Abstraction has 4716 states and 6401 transitions. [2023-12-20 11:07:20,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:20,078 INFO L276 IsEmpty]: Start isEmpty. Operand 4716 states and 6401 transitions. [2023-12-20 11:07:20,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2023-12-20 11:07:20,087 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 11:07:20,087 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 16, 14, 14, 12, 12, 10, 10, 8, 8, 8, 8, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 11:07:20,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-12-20 11:07:20,088 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 11:07:20,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 11:07:20,088 INFO L85 PathProgramCache]: Analyzing trace with hash -2120440082, now seen corresponding path program 1 times [2023-12-20 11:07:20,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 11:07:20,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974532535] [2023-12-20 11:07:20,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 11:07:20,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 11:07:20,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 11:07:20,385 INFO L134 CoverageAnalysis]: Checked inductivity of 3033 backedges. 1646 proven. 193 refuted. 0 times theorem prover too weak. 1194 trivial. 0 not checked. [2023-12-20 11:07:20,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 11:07:20,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974532535] [2023-12-20 11:07:20,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974532535] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 11:07:20,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [663130039] [2023-12-20 11:07:20,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 11:07:20,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 11:07:20,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 11:07:20,388 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 11:07:20,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-20 11:07:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 11:07:20,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-20 11:07:20,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 11:07:21,278 INFO L134 CoverageAnalysis]: Checked inductivity of 3033 backedges. 1694 proven. 226 refuted. 0 times theorem prover too weak. 1113 trivial. 0 not checked. [2023-12-20 11:07:21,278 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 11:07:21,912 INFO L134 CoverageAnalysis]: Checked inductivity of 3033 backedges. 1783 proven. 137 refuted. 0 times theorem prover too weak. 1113 trivial. 0 not checked. [2023-12-20 11:07:21,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [663130039] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-20 11:07:21,912 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-20 11:07:21,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2023-12-20 11:07:21,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822580223] [2023-12-20 11:07:21,913 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-20 11:07:21,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-20 11:07:21,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 11:07:21,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-20 11:07:21,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-12-20 11:07:21,915 INFO L87 Difference]: Start difference. First operand 4716 states and 6401 transitions. Second operand has 11 states, 11 states have (on average 36.90909090909091) internal successors, (406), 11 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:23,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 11:07:23,492 INFO L93 Difference]: Finished difference Result 22216 states and 29998 transitions. [2023-12-20 11:07:23,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-12-20 11:07:23,493 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 36.90909090909091) internal successors, (406), 11 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 493 [2023-12-20 11:07:23,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 11:07:23,516 INFO L225 Difference]: With dead ends: 22216 [2023-12-20 11:07:23,516 INFO L226 Difference]: Without dead ends: 17339 [2023-12-20 11:07:23,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1017 GetRequests, 993 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=196, Invalid=454, Unknown=0, NotChecked=0, Total=650 [2023-12-20 11:07:23,523 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 1178 mSDsluCounter, 1234 mSDsCounter, 0 mSdLazyCounter, 2008 mSolverCounterSat, 237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1178 SdHoareTripleChecker+Valid, 1553 SdHoareTripleChecker+Invalid, 2245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 2008 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-20 11:07:23,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1178 Valid, 1553 Invalid, 2245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [237 Valid, 2008 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-20 11:07:23,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17339 states. [2023-12-20 11:07:23,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17339 to 16165. [2023-12-20 11:07:23,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16165 states, 16164 states have (on average 1.3097624350408315) internal successors, (21171), 16164 states have internal predecessors, (21171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:23,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16165 states to 16165 states and 21171 transitions. [2023-12-20 11:07:23,815 INFO L78 Accepts]: Start accepts. Automaton has 16165 states and 21171 transitions. Word has length 493 [2023-12-20 11:07:23,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 11:07:23,815 INFO L495 AbstractCegarLoop]: Abstraction has 16165 states and 21171 transitions. [2023-12-20 11:07:23,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 36.90909090909091) internal successors, (406), 11 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:23,815 INFO L276 IsEmpty]: Start isEmpty. Operand 16165 states and 21171 transitions. [2023-12-20 11:07:23,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 562 [2023-12-20 11:07:23,875 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 11:07:23,875 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 20, 20, 20, 20, 18, 16, 16, 14, 14, 12, 12, 10, 10, 10, 10, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 11:07:23,883 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-20 11:07:24,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 11:07:24,076 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 11:07:24,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 11:07:24,076 INFO L85 PathProgramCache]: Analyzing trace with hash -2129564387, now seen corresponding path program 2 times [2023-12-20 11:07:24,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 11:07:24,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284699426] [2023-12-20 11:07:24,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 11:07:24,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 11:07:24,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 11:07:24,216 INFO L134 CoverageAnalysis]: Checked inductivity of 3868 backedges. 1249 proven. 15 refuted. 0 times theorem prover too weak. 2604 trivial. 0 not checked. [2023-12-20 11:07:24,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 11:07:24,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284699426] [2023-12-20 11:07:24,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284699426] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 11:07:24,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [86204128] [2023-12-20 11:07:24,216 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-20 11:07:24,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 11:07:24,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 11:07:24,218 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 11:07:24,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-20 11:07:24,362 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-20 11:07:24,363 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-20 11:07:24,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 863 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-20 11:07:24,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 11:07:24,409 INFO L134 CoverageAnalysis]: Checked inductivity of 3868 backedges. 1249 proven. 15 refuted. 0 times theorem prover too weak. 2604 trivial. 0 not checked. [2023-12-20 11:07:24,409 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 11:07:24,454 INFO L134 CoverageAnalysis]: Checked inductivity of 3868 backedges. 1249 proven. 15 refuted. 0 times theorem prover too weak. 2604 trivial. 0 not checked. [2023-12-20 11:07:24,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [86204128] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-20 11:07:24,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-20 11:07:24,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2023-12-20 11:07:24,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652795428] [2023-12-20 11:07:24,455 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-20 11:07:24,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-20 11:07:24,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 11:07:24,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-20 11:07:24,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-20 11:07:24,457 INFO L87 Difference]: Start difference. First operand 16165 states and 21171 transitions. Second operand has 8 states, 8 states have (on average 33.125) internal successors, (265), 8 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:24,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 11:07:24,773 INFO L93 Difference]: Finished difference Result 22128 states and 28837 transitions. [2023-12-20 11:07:24,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-20 11:07:24,773 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 33.125) internal successors, (265), 8 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 561 [2023-12-20 11:07:24,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 11:07:24,774 INFO L225 Difference]: With dead ends: 22128 [2023-12-20 11:07:24,774 INFO L226 Difference]: Without dead ends: 0 [2023-12-20 11:07:24,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1132 GetRequests, 1122 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2023-12-20 11:07:24,788 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 218 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-20 11:07:24,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 728 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-20 11:07:24,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-20 11:07:24,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-20 11:07:24,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:24,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-20 11:07:24,789 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 561 [2023-12-20 11:07:24,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 11:07:24,789 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-20 11:07:24,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 33.125) internal successors, (265), 8 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-20 11:07:24,789 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-20 11:07:24,789 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-20 11:07:24,791 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-20 11:07:24,804 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-20 11:07:24,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 11:07:24,998 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-20 11:07:31,354 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 272) no Hoare annotation was computed. [2023-12-20 11:07:31,354 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 608) no Hoare annotation was computed. [2023-12-20 11:07:31,354 INFO L899 garLoopResultBuilder]: For program point L168(lines 168 619) no Hoare annotation was computed. [2023-12-20 11:07:31,354 INFO L899 garLoopResultBuilder]: For program point L135(lines 135 630) no Hoare annotation was computed. [2023-12-20 11:07:31,354 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_switch_1_8593#1(lines 186 613) no Hoare annotation was computed. [2023-12-20 11:07:31,355 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 398) no Hoare annotation was computed. [2023-12-20 11:07:31,355 INFO L899 garLoopResultBuilder]: For program point L334(lines 334 338) no Hoare annotation was computed. [2023-12-20 11:07:31,355 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_switch_1_8529#1(lines 159 622) no Hoare annotation was computed. [2023-12-20 11:07:31,355 INFO L899 garLoopResultBuilder]: For program point L334-2(lines 334 338) no Hoare annotation was computed. [2023-12-20 11:07:31,355 INFO L899 garLoopResultBuilder]: For program point L533(lines 533 538) no Hoare annotation was computed. [2023-12-20 11:07:31,355 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_switch_1_8497#1(lines 147 626) no Hoare annotation was computed. [2023-12-20 11:07:31,356 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 571) no Hoare annotation was computed. [2023-12-20 11:07:31,356 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 307) no Hoare annotation was computed. [2023-12-20 11:07:31,357 INFO L899 garLoopResultBuilder]: For program point L303-2(lines 221 599) no Hoare annotation was computed. [2023-12-20 11:07:31,357 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 607) no Hoare annotation was computed. [2023-12-20 11:07:31,357 INFO L899 garLoopResultBuilder]: For program point L171(lines 171 618) no Hoare annotation was computed. [2023-12-20 11:07:31,358 INFO L899 garLoopResultBuilder]: For program point L138(lines 138 629) no Hoare annotation was computed. [2023-12-20 11:07:31,358 INFO L899 garLoopResultBuilder]: For program point L370(lines 370 397) no Hoare annotation was computed. [2023-12-20 11:07:31,358 INFO L899 garLoopResultBuilder]: For program point L370-1(lines 370 397) no Hoare annotation was computed. [2023-12-20 11:07:31,358 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 394) no Hoare annotation was computed. [2023-12-20 11:07:31,358 INFO L899 garLoopResultBuilder]: For program point L669(lines 76 686) no Hoare annotation was computed. [2023-12-20 11:07:31,358 INFO L899 garLoopResultBuilder]: For program point L207(lines 207 606) no Hoare annotation was computed. [2023-12-20 11:07:31,358 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 617) no Hoare annotation was computed. [2023-12-20 11:07:31,358 INFO L899 garLoopResultBuilder]: For program point L141(lines 141 628) no Hoare annotation was computed. [2023-12-20 11:07:31,358 INFO L899 garLoopResultBuilder]: For program point L406(lines 406 437) no Hoare annotation was computed. [2023-12-20 11:07:31,358 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 258) no Hoare annotation was computed. [2023-12-20 11:07:31,358 INFO L899 garLoopResultBuilder]: For program point L241-2(lines 221 599) no Hoare annotation was computed. [2023-12-20 11:07:31,358 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 666) no Hoare annotation was computed. [2023-12-20 11:07:31,359 INFO L899 garLoopResultBuilder]: For program point L407(lines 407 413) no Hoare annotation was computed. [2023-12-20 11:07:31,359 INFO L899 garLoopResultBuilder]: For program point L374(lines 374 393) no Hoare annotation was computed. [2023-12-20 11:07:31,359 INFO L899 garLoopResultBuilder]: For program point L639(lines 639 663) no Hoare annotation was computed. [2023-12-20 11:07:31,359 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 577) no Hoare annotation was computed. [2023-12-20 11:07:31,359 INFO L899 garLoopResultBuilder]: For program point L540(lines 540 544) no Hoare annotation was computed. [2023-12-20 11:07:31,359 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 511) no Hoare annotation was computed. [2023-12-20 11:07:31,359 INFO L899 garLoopResultBuilder]: For program point L573-2(lines 573 577) no Hoare annotation was computed. [2023-12-20 11:07:31,359 INFO L899 garLoopResultBuilder]: For program point L540-2(lines 221 599) no Hoare annotation was computed. [2023-12-20 11:07:31,359 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 379) no Hoare annotation was computed. [2023-12-20 11:07:31,359 INFO L899 garLoopResultBuilder]: For program point L375-2(lines 374 391) no Hoare annotation was computed. [2023-12-20 11:07:31,359 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 248) no Hoare annotation was computed. [2023-12-20 11:07:31,359 INFO L899 garLoopResultBuilder]: For program point L210(lines 210 605) no Hoare annotation was computed. [2023-12-20 11:07:31,359 INFO L899 garLoopResultBuilder]: For program point L177(lines 177 616) no Hoare annotation was computed. [2023-12-20 11:07:31,359 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 627) no Hoare annotation was computed. [2023-12-20 11:07:31,359 INFO L895 garLoopResultBuilder]: At program point L111-2(lines 111 668) the Hoare annotation is: (let ((.cse24 (+ |ULTIMATE.start_ssl3_accept_~ag_X~0#1| |ULTIMATE.start_ssl3_accept_~ag_Y~0#1|))) (let ((.cse23 (div .cse24 2147483648))) (let ((.cse25 (* .cse23 4294967296)) (.cse26 (+ (* 2 |ULTIMATE.start_ssl3_accept_~ag_X~0#1|) (* 2 |ULTIMATE.start_ssl3_accept_~ag_Y~0#1|))) (.cse19 (mod .cse24 2147483648))) (let ((.cse21 (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)) (.cse22 (< 1073741823 .cse19)) (.cse20 (= (+ .cse25 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse26))) (let ((.cse12 (<= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse1 (= 8466 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse7 (or .cse20 (and (<= (+ 1073741824 (* .cse23 2147483648)) .cse24) (= (+ .cse25 |ULTIMATE.start_ssl3_accept_~s__state~0#1| 4294967296) .cse26)))) (.cse18 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8495)) (.cse9 (or .cse22 (< .cse19 4249))) (.cse11 (<= 8640 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)) (.cse14 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656)) (.cse15 (<= 8672 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse5 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1)) (.cse13 (not .cse21)) (.cse2 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse3 (<= 8497 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)) (.cse16 (<= 8497 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse4 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576)) (.cse8 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8655)) (.cse0 (or (< .cse19 4328) .cse22)) (.cse10 (= 3 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse6 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448)) (.cse17 (= 3 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse3 .cse4) (and (= 8464 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 0)) (and .cse2 .cse3 .cse4 .cse7 .cse8) (and .cse5 .cse9) (and .cse10 .cse11 .cse12 .cse13) (and .cse2 .cse13) (and .cse0 .cse14 .cse2 .cse4) (and .cse0 .cse2 .cse12 .cse4 .cse8) (and .cse15 .cse5) (and .cse0 .cse2 .cse6 .cse3 .cse4) (and .cse0 .cse2 (= 8544 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse0 .cse5 .cse16 .cse8) (and .cse5 .cse6 .cse17) (and .cse0 .cse1 .cse5) (and .cse15 .cse10 .cse13) (and .cse18 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8496) .cse2 .cse7) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8528) .cse0 .cse2) (and .cse18 .cse2 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8495) .cse9) (and .cse10 .cse11 .cse6 .cse13) (and (< (* 2 .cse19) (+ |ULTIMATE.start_ssl3_accept_~s__state~0#1| 1)) .cse14 .cse5) (and .cse5 .cse20) (and .cse15 .cse0 .cse10 .cse4) (and .cse5 .cse13) (and .cse0 .cse2 (= 8560 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse0 .cse2 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8512)) (and .cse0 .cse2 .cse3 .cse16 .cse4 .cse8) (and .cse0 .cse10 .cse6 .cse17 .cse21))))))) [2023-12-20 11:07:31,359 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 677) no Hoare annotation was computed. [2023-12-20 11:07:31,359 INFO L899 garLoopResultBuilder]: For program point L640(lines 640 649) no Hoare annotation was computed. [2023-12-20 11:07:31,360 INFO L899 garLoopResultBuilder]: For program point L673-2(lines 673 677) no Hoare annotation was computed. [2023-12-20 11:07:31,360 INFO L899 garLoopResultBuilder]: For program point L640-2(lines 639 661) no Hoare annotation was computed. [2023-12-20 11:07:31,360 INFO L899 garLoopResultBuilder]: For program point L475(lines 475 479) no Hoare annotation was computed. [2023-12-20 11:07:31,360 INFO L899 garLoopResultBuilder]: For program point L343-1(lines 343 352) no Hoare annotation was computed. [2023-12-20 11:07:31,360 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_switch_1_8481#1(lines 129 632) no Hoare annotation was computed. [2023-12-20 11:07:31,360 INFO L899 garLoopResultBuilder]: For program point L642(lines 642 646) no Hoare annotation was computed. [2023-12-20 11:07:31,360 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 604) no Hoare annotation was computed. [2023-12-20 11:07:31,360 INFO L899 garLoopResultBuilder]: For program point L180(lines 180 615) no Hoare annotation was computed. [2023-12-20 11:07:31,360 INFO L899 garLoopResultBuilder]: For program point L147(lines 147 626) no Hoare annotation was computed. [2023-12-20 11:07:31,360 INFO L899 garLoopResultBuilder]: For program point L114(lines 114 637) no Hoare annotation was computed. [2023-12-20 11:07:31,360 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 351) no Hoare annotation was computed. [2023-12-20 11:07:31,360 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 491) no Hoare annotation was computed. [2023-12-20 11:07:31,360 INFO L899 garLoopResultBuilder]: For program point L447(lines 447 451) no Hoare annotation was computed. [2023-12-20 11:07:31,361 INFO L899 garLoopResultBuilder]: For program point L381(lines 364 399) no Hoare annotation was computed. [2023-12-20 11:07:31,361 INFO L899 garLoopResultBuilder]: For program point L249(lines 249 254) no Hoare annotation was computed. [2023-12-20 11:07:31,361 INFO L899 garLoopResultBuilder]: For program point L216(lines 216 603) no Hoare annotation was computed. [2023-12-20 11:07:31,361 INFO L899 garLoopResultBuilder]: For program point L183(lines 183 614) no Hoare annotation was computed. [2023-12-20 11:07:31,361 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_switch_1_8657#1(lines 204 607) no Hoare annotation was computed. [2023-12-20 11:07:31,361 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 625) no Hoare annotation was computed. [2023-12-20 11:07:31,361 INFO L899 garLoopResultBuilder]: For program point L117(lines 117 636) no Hoare annotation was computed. [2023-12-20 11:07:31,361 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 93) no Hoare annotation was computed. [2023-12-20 11:07:31,361 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 387) no Hoare annotation was computed. [2023-12-20 11:07:31,361 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2023-12-20 11:07:31,361 INFO L899 garLoopResultBuilder]: For program point L186(lines 186 613) no Hoare annotation was computed. [2023-12-20 11:07:31,361 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 624) no Hoare annotation was computed. [2023-12-20 11:07:31,361 INFO L899 garLoopResultBuilder]: For program point L120(lines 120 635) no Hoare annotation was computed. [2023-12-20 11:07:31,361 INFO L899 garLoopResultBuilder]: For program point L583(lines 583 593) no Hoare annotation was computed. [2023-12-20 11:07:31,361 INFO L899 garLoopResultBuilder]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2023-12-20 11:07:31,361 INFO L899 garLoopResultBuilder]: For program point L484(lines 484 488) no Hoare annotation was computed. [2023-12-20 11:07:31,361 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 290) no Hoare annotation was computed. [2023-12-20 11:07:31,362 INFO L899 garLoopResultBuilder]: For program point L88(lines 88 92) no Hoare annotation was computed. [2023-12-20 11:07:31,362 INFO L899 garLoopResultBuilder]: For program point L88-2(lines 85 93) no Hoare annotation was computed. [2023-12-20 11:07:31,362 INFO L899 garLoopResultBuilder]: For program point L518(lines 518 522) no Hoare annotation was computed. [2023-12-20 11:07:31,362 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 328) no Hoare annotation was computed. [2023-12-20 11:07:31,362 INFO L899 garLoopResultBuilder]: For program point L684(lines 76 686) no Hoare annotation was computed. [2023-12-20 11:07:31,362 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 657) no Hoare annotation was computed. [2023-12-20 11:07:31,362 INFO L899 garLoopResultBuilder]: For program point $Ultimate##176(lines 457 469) no Hoare annotation was computed. [2023-12-20 11:07:31,362 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 557) no Hoare annotation was computed. [2023-12-20 11:07:31,362 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_switch_1_8577#1(lines 180 615) no Hoare annotation was computed. [2023-12-20 11:07:31,362 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 612) no Hoare annotation was computed. [2023-12-20 11:07:31,362 INFO L899 garLoopResultBuilder]: For program point L156(lines 156 623) no Hoare annotation was computed. [2023-12-20 11:07:31,362 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 634) no Hoare annotation was computed. [2023-12-20 11:07:31,362 INFO L899 garLoopResultBuilder]: For program point L586(lines 586 590) no Hoare annotation was computed. [2023-12-20 11:07:31,362 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-20 11:07:31,362 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_switch_1_8641#1(lines 198 609) no Hoare annotation was computed. [2023-12-20 11:07:31,362 INFO L899 garLoopResultBuilder]: For program point L323(lines 323 327) no Hoare annotation was computed. [2023-12-20 11:07:31,362 INFO L899 garLoopResultBuilder]: For program point L323-2(lines 221 599) no Hoare annotation was computed. [2023-12-20 11:07:31,362 INFO L899 garLoopResultBuilder]: For program point L224(lines 117 636) no Hoare annotation was computed. [2023-12-20 11:07:31,362 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_ERROR#1(lines 76 686) no Hoare annotation was computed. [2023-12-20 11:07:31,362 INFO L899 garLoopResultBuilder]: For program point L192(lines 192 611) no Hoare annotation was computed. [2023-12-20 11:07:31,362 INFO L899 garLoopResultBuilder]: For program point L159(lines 159 622) no Hoare annotation was computed. [2023-12-20 11:07:31,363 INFO L899 garLoopResultBuilder]: For program point L126(lines 126 633) no Hoare annotation was computed. [2023-12-20 11:07:31,363 INFO L899 garLoopResultBuilder]: For program point L523(lines 523 527) no Hoare annotation was computed. [2023-12-20 11:07:31,363 INFO L899 garLoopResultBuilder]: For program point L523-2(lines 523 527) no Hoare annotation was computed. [2023-12-20 11:07:31,363 INFO L899 garLoopResultBuilder]: For program point L457-1(lines 457 469) no Hoare annotation was computed. [2023-12-20 11:07:31,363 INFO L899 garLoopResultBuilder]: For program point $Ultimate##130(lines 343 352) no Hoare annotation was computed. [2023-12-20 11:07:31,363 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_switch_1_8673#1(lines 210 605) no Hoare annotation was computed. [2023-12-20 11:07:31,363 INFO L899 garLoopResultBuilder]: For program point L425(lines 416 436) no Hoare annotation was computed. [2023-12-20 11:07:31,363 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 363) no Hoare annotation was computed. [2023-12-20 11:07:31,363 INFO L899 garLoopResultBuilder]: For program point L359-2(lines 221 599) no Hoare annotation was computed. [2023-12-20 11:07:31,363 INFO L899 garLoopResultBuilder]: For program point L95(lines 95 103) no Hoare annotation was computed. [2023-12-20 11:07:31,363 INFO L899 garLoopResultBuilder]: For program point L95-1(lines 76 686) no Hoare annotation was computed. [2023-12-20 11:07:31,363 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_switch_1_8609#1(lines 192 611) no Hoare annotation was computed. [2023-12-20 11:07:31,363 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-20 11:07:31,363 INFO L899 garLoopResultBuilder]: For program point $Ultimate##158(lines 405 442) no Hoare annotation was computed. [2023-12-20 11:07:31,363 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 610) no Hoare annotation was computed. [2023-12-20 11:07:31,363 INFO L899 garLoopResultBuilder]: For program point L162(lines 162 621) no Hoare annotation was computed. [2023-12-20 11:07:31,363 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 632) no Hoare annotation was computed. [2023-12-20 11:07:31,363 INFO L899 garLoopResultBuilder]: For program point L96(lines 96 100) no Hoare annotation was computed. [2023-12-20 11:07:31,363 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_switch_1_8466#1(lines 138 629) no Hoare annotation was computed. [2023-12-20 11:07:31,363 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 465) no Hoare annotation was computed. [2023-12-20 11:07:31,363 INFO L899 garLoopResultBuilder]: For program point $Ultimate##166(lines 416 436) no Hoare annotation was computed. [2023-12-20 11:07:31,363 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 233) no Hoare annotation was computed. [2023-12-20 11:07:31,363 INFO L899 garLoopResultBuilder]: For program point L229-2(lines 221 599) no Hoare annotation was computed. [2023-12-20 11:07:31,363 INFO L899 garLoopResultBuilder]: For program point L428(lines 428 432) no Hoare annotation was computed. [2023-12-20 11:07:31,363 INFO L899 garLoopResultBuilder]: For program point $Ultimate##219(lines 638 666) no Hoare annotation was computed. [2023-12-20 11:07:31,364 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 680) no Hoare annotation was computed. [2023-12-20 11:07:31,364 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 609) no Hoare annotation was computed. [2023-12-20 11:07:31,364 INFO L899 garLoopResultBuilder]: For program point L165(lines 165 620) no Hoare annotation was computed. [2023-12-20 11:07:31,364 INFO L899 garLoopResultBuilder]: For program point L132(lines 132 631) no Hoare annotation was computed. [2023-12-20 11:07:31,364 INFO L899 garLoopResultBuilder]: For program point ssl3_accept_switch_1_8561#1(lines 171 618) no Hoare annotation was computed. [2023-12-20 11:07:31,364 INFO L899 garLoopResultBuilder]: For program point L562(lines 562 566) no Hoare annotation was computed. [2023-12-20 11:07:31,364 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 500) no Hoare annotation was computed. [2023-12-20 11:07:31,364 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 280) no Hoare annotation was computed. [2023-12-20 11:07:31,366 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 11:07:31,367 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-20 11:07:31,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.12 11:07:31 BoogieIcfgContainer [2023-12-20 11:07:31,394 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-20 11:07:31,394 INFO L158 Benchmark]: Toolchain (without parser) took 18438.90ms. Allocated memory was 331.4MB in the beginning and 641.7MB in the end (delta: 310.4MB). Free memory was 281.5MB in the beginning and 242.5MB in the end (delta: 39.0MB). Peak memory consumption was 406.7MB. Max. memory is 8.0GB. [2023-12-20 11:07:31,394 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 247.5MB. Free memory is still 197.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-20 11:07:31,394 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.18ms. Allocated memory is still 331.4MB. Free memory was 281.5MB in the beginning and 265.2MB in the end (delta: 16.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-12-20 11:07:31,394 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.30ms. Allocated memory is still 331.4MB. Free memory was 265.2MB in the beginning and 262.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-20 11:07:31,394 INFO L158 Benchmark]: Boogie Preprocessor took 48.23ms. Allocated memory is still 331.4MB. Free memory was 262.0MB in the beginning and 258.9MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-20 11:07:31,395 INFO L158 Benchmark]: RCFGBuilder took 538.85ms. Allocated memory is still 331.4MB. Free memory was 258.9MB in the beginning and 277.8MB in the end (delta: -18.9MB). Peak memory consumption was 22.3MB. Max. memory is 8.0GB. [2023-12-20 11:07:31,395 INFO L158 Benchmark]: TraceAbstraction took 17525.41ms. Allocated memory was 331.4MB in the beginning and 641.7MB in the end (delta: 310.4MB). Free memory was 277.3MB in the beginning and 242.5MB in the end (delta: 34.8MB). Peak memory consumption was 402.2MB. Max. memory is 8.0GB. [2023-12-20 11:07:31,396 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 247.5MB. Free memory is still 197.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 286.18ms. Allocated memory is still 331.4MB. Free memory was 281.5MB in the beginning and 265.2MB in the end (delta: 16.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.30ms. Allocated memory is still 331.4MB. Free memory was 265.2MB in the beginning and 262.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 48.23ms. Allocated memory is still 331.4MB. Free memory was 262.0MB in the beginning and 258.9MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 538.85ms. Allocated memory is still 331.4MB. Free memory was 258.9MB in the beginning and 277.8MB in the end (delta: -18.9MB). Peak memory consumption was 22.3MB. Max. memory is 8.0GB. * TraceAbstraction took 17525.41ms. Allocated memory was 331.4MB in the beginning and 641.7MB in the end (delta: 310.4MB). Free memory was 277.3MB in the beginning and 242.5MB in the end (delta: 34.8MB). Peak memory consumption was 402.2MB. 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 - PositiveResult [Line: 680]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 129 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.5s, OverallIterations: 20, TraceHistogramMax: 21, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3010 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3010 mSDsluCounter, 9340 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4602 mSDsCounter, 566 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4938 IncrementalHoareTripleChecker+Invalid, 5504 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 566 mSolverCounterUnsat, 4738 mSDtfsCounter, 4938 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3841 GetRequests, 3776 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16165occurred in iteration=19, InterpolantAutomatonStates: 97, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 20 MinimizatonAttempts, 4803 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 207 NumberOfFragments, 642 HoareAnnotationTreeSize, 1 FormulaSimplifications, 2363 FormulaSimplificationTreeSizeReduction, 3.5s HoareSimplificationTime, 1 FormulaSimplificationsInter, 11606 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 6785 NumberOfCodeBlocks, 6785 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 8455 ConstructedInterpolants, 0 QuantifiedInterpolants, 19097 SizeOfPredicates, 6 NumberOfNonLiveVariables, 3266 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 29 InterpolantComputations, 16 PerfectInterpolantSequences, 37414/38160 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((ag_X + ag_Y) % 2147483648) < 4328) || (1073741823 < ((ag_X + ag_Y) % 2147483648))) && (8466 == s__state)) && (2 == blastFlag)) && (8497 <= s__s3__tmp__next_state___0)) && (s__s3__tmp__next_state___0 <= 8576)) || ((((((((ag_X + ag_Y) % 2147483648) < 4328) || (1073741823 < ((ag_X + ag_Y) % 2147483648))) && (blastFlag == 1)) && (s__state <= 8448)) && (8497 <= s__s3__tmp__next_state___0)) && (s__s3__tmp__next_state___0 <= 8576))) || ((8464 == s__state) && (blastFlag == 0))) || (((((2 == blastFlag) && (8497 <= s__s3__tmp__next_state___0)) && (s__s3__tmp__next_state___0 <= 8576)) && ((((((ag_X + ag_Y) / 2147483648) * 4294967296) + s__state) == ((2 * ag_X) + (2 * ag_Y))) || (((1073741824 + (((ag_X + ag_Y) / 2147483648) * 2147483648)) <= (ag_X + ag_Y)) && ((((((ag_X + ag_Y) / 2147483648) * 4294967296) + s__state) + 4294967296) == ((2 * ag_X) + (2 * ag_Y)))))) && (s__state <= 8655))) || ((blastFlag == 1) && ((1073741823 < ((ag_X + ag_Y) % 2147483648)) || (((ag_X + ag_Y) % 2147483648) < 4249)))) || ((((3 == blastFlag) && (8640 <= s__s3__tmp__next_state___0)) && (8640 <= s__state)) && !((0 == s__hit)))) || ((2 == blastFlag) && !((0 == s__hit)))) || (((((((ag_X + ag_Y) % 2147483648) < 4328) || (1073741823 < ((ag_X + ag_Y) % 2147483648))) && (s__state == 8656)) && (2 == blastFlag)) && (s__s3__tmp__next_state___0 <= 8576))) || ((((((((ag_X + ag_Y) % 2147483648) < 4328) || (1073741823 < ((ag_X + ag_Y) % 2147483648))) && (2 == blastFlag)) && (8640 <= s__state)) && (s__s3__tmp__next_state___0 <= 8576)) && (s__state <= 8655))) || ((8672 <= s__state) && (blastFlag == 1))) || ((((((((ag_X + ag_Y) % 2147483648) < 4328) || (1073741823 < ((ag_X + ag_Y) % 2147483648))) && (2 == blastFlag)) && (s__state <= 8448)) && (8497 <= s__s3__tmp__next_state___0)) && (s__s3__tmp__next_state___0 <= 8576))) || ((((((ag_X + ag_Y) % 2147483648) < 4328) || (1073741823 < ((ag_X + ag_Y) % 2147483648))) && (2 == blastFlag)) && (8544 == s__state))) || (((((((ag_X + ag_Y) % 2147483648) < 4328) || (1073741823 < ((ag_X + ag_Y) % 2147483648))) && (blastFlag == 1)) && (8497 <= s__state)) && (s__state <= 8655))) || (((blastFlag == 1) && (s__state <= 8448)) && (3 == s__s3__tmp__next_state___0))) || ((((((ag_X + ag_Y) % 2147483648) < 4328) || (1073741823 < ((ag_X + ag_Y) % 2147483648))) && (8466 == s__state)) && (blastFlag == 1))) || (((8672 <= s__state) && (3 == blastFlag)) && !((0 == s__hit)))) || ((((s__s3__tmp__next_state___0 <= 8495) && (s__state <= 8496)) && (2 == blastFlag)) && ((((((ag_X + ag_Y) / 2147483648) * 4294967296) + s__state) == ((2 * ag_X) + (2 * ag_Y))) || (((1073741824 + (((ag_X + ag_Y) / 2147483648) * 2147483648)) <= (ag_X + ag_Y)) && ((((((ag_X + ag_Y) / 2147483648) * 4294967296) + s__state) + 4294967296) == ((2 * ag_X) + (2 * ag_Y))))))) || (((s__state == 8528) && ((((ag_X + ag_Y) % 2147483648) < 4328) || (1073741823 < ((ag_X + ag_Y) % 2147483648)))) && (2 == blastFlag))) || ((((s__s3__tmp__next_state___0 <= 8495) && (2 == blastFlag)) && (s__state <= 8495)) && ((1073741823 < ((ag_X + ag_Y) % 2147483648)) || (((ag_X + ag_Y) % 2147483648) < 4249)))) || ((((3 == blastFlag) && (8640 <= s__s3__tmp__next_state___0)) && (s__state <= 8448)) && !((0 == s__hit)))) || ((((2 * ((ag_X + ag_Y) % 2147483648)) < (s__state + 1)) && (s__state == 8656)) && (blastFlag == 1))) || ((blastFlag == 1) && (((((ag_X + ag_Y) / 2147483648) * 4294967296) + s__state) == ((2 * ag_X) + (2 * ag_Y))))) || ((((8672 <= s__state) && ((((ag_X + ag_Y) % 2147483648) < 4328) || (1073741823 < ((ag_X + ag_Y) % 2147483648)))) && (3 == blastFlag)) && (s__s3__tmp__next_state___0 <= 8576))) || ((blastFlag == 1) && !((0 == s__hit)))) || ((((((ag_X + ag_Y) % 2147483648) < 4328) || (1073741823 < ((ag_X + ag_Y) % 2147483648))) && (2 == blastFlag)) && (8560 == s__state))) || ((((((ag_X + ag_Y) % 2147483648) < 4328) || (1073741823 < ((ag_X + ag_Y) % 2147483648))) && (2 == blastFlag)) && (s__state == 8512))) || (((((((((ag_X + ag_Y) % 2147483648) < 4328) || (1073741823 < ((ag_X + ag_Y) % 2147483648))) && (2 == blastFlag)) && (8497 <= s__s3__tmp__next_state___0)) && (8497 <= s__state)) && (s__s3__tmp__next_state___0 <= 8576)) && (s__state <= 8655))) || ((((((((ag_X + ag_Y) % 2147483648) < 4328) || (1073741823 < ((ag_X + ag_Y) % 2147483648))) && (3 == blastFlag)) && (s__state <= 8448)) && (3 == s__s3__tmp__next_state___0)) && (0 == s__hit))) RESULT: Ultimate proved your program to be correct! [2023-12-20 11:07:31,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...